CN204142965U - A kind of non-polarizing electrode - Google Patents
A kind of non-polarizing electrode Download PDFInfo
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- CN204142965U CN204142965U CN201420446530.4U CN201420446530U CN204142965U CN 204142965 U CN204142965 U CN 204142965U CN 201420446530 U CN201420446530 U CN 201420446530U CN 204142965 U CN204142965 U CN 204142965U
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Abstract
The utility model relates to a kind of non-polarizing electrode, belongs to weak electromagnetic ripple signal measurement technique field, is widely used in resistivity prospecting, hydrologic exploration, commercial production, environmental monitoring and earthquake precursors observation etc.Comprise electrode wires, electrode cores and porous permeable post; The middle part of cavity is hold chamber that is electrolytical and porous permeable post UNICOM; Described electrode cores be partly or entirely arranged in electrolyte, electrode wires is connected with electrode cores; The permeate throughbore of the multiple and chamber UNICOM of cavity of described porous permeable post distribution, the quantity of this permeate throughbore and aperture are with the electrolyte osmosis velograph in cavity.Advantage of the present utility model is mainly: structure is simple, easy to use and carry, electrode and measured object are as soil, contact is reliable, electrode extreme difference is stablized, and electrolyte supplements convenient, can recycle for a long time, improve the measuring accuracy of electrode, the spatial resolution of measurement and measure efficiency, being particularly suitable for the geologic survey of multiple Profiling for Soil Lithology structure.
Description
Technical field
The utility model relates to a kind of non-polarizing electrode, belong to weak electromagnetic ripple signal measurement field, be widely used in resistivity prospecting, hydrologic exploration, commercial production, environmental monitoring and earthquake precursors observation etc., also can be used for industrial process, corrosion protection, the contrast electrode of environmental monitoring, is specially adapted to the geologic prospecting of the earth, ocean.
Background technology
Hypopolarization electrode is the key building block in the earth's electric field information measuring system, is widely used in the fields such as earthquake precursors observation, the exploration of geophysics electrical method, petroleum prospecting, hydrologic exploration and the earth ground magnetic detection.Existing electrode mainly comprises plain metal electrode, liquid non-polarizing electrode and solid nonpolarizing electrode.
Plain metal electrode adopts the shaft-like copper electrode or iron electrode that inertia is higher, and this electrode field construction is convenient, and efficiency is high, does not need to safeguard, therefore uses the most general.But because metal directly contacts with the earth, may there is electrochemical reaction in surface, as corrosion.The electrode potential of this kind of electrode affects by several factors, and as potential of hydrogen, temperature, humidity etc., the extreme difference therefore between electrode is large and unstable, the small-signal that inapplicable collection is faint.
Metal electrode is buried in the electrode can of saturated metal salt solution by liquid non-polarizing electrode, and metal salt solution contact with the earth by the permeable material bottom electrode can, ensures stablizing of electrode and electrolytical interface, thus the stability of raising electrode.But also there are two shortcomings in this kind of electrode: (1), due to the seepage of salt solusion, need frequently to supplement metal salt solution, therefore this electrodes maintenance is comparatively difficult, and easily to environment; (2) because liquid non-polarizing electrode is only contacted with the earth by the permeable material of bottom; actual field work needs to dig out electrode hole in advance, and requires that electrode is buried in wet soil, usually also will water; ensure the close contact of electrode and soil, comparatively inconvenience of therefore constructing.Dig pit the electrode that buries owing to changing larger to electrode earth point earth's surface, add the impact of the factor such as water permeation after watering, cause the current potential of electrode earth point unstable for a long time, cause extreme difference between electrode unstable, thus affect the quality of resistivity prospecting data acquisition.
Solid nonpolarizing electrode is the same with liquid non-polarizing electrode principle, and just solid nonpolarizing electrode is contacted with the earth by the solid dielectric containing slaine.CN200962458Y discloses one " solid nonpolarizing electrode ", be made up of electrode output line, heat-shrink tube, lead rod and pvc pipe body, adopt solid electrolyte to substitute original liquid electrolyte, while guarantee measuring accuracy, reduce maintenance cost, improve serviceable life and easy to carry.But same needs are digged pit and are buried electrode, and field construction is inconvenient.Lead rod has pollution to a certain degree to environment, and lead rod electrode is not best non-polarizing electrode material.CN2755629Y discloses one " shaft-like non-polarizing electrode ", and the lower outside of skeleton, by the pastel consolidation copper electrode of copper sulphate and gypsum, forms fixing non-polarizing electrode after pastel coagulation forming.Convenient when this solid nonpolarizing electrode uses, thus improve operating efficiency and measuring accuracy.Owing to being solid electrolyte, cannot ensureing that electrode cores forms good ionic conducting path with the earth, affect precision and the life-span of electrode to a certain extent; Because solid electrolyte does not have external shell protection, ground weeds and mixed and disorderly rubble can damage solid electrolyte, reduce the serviceable life of electrode.In addition the solid electrolyte of this kind of solid electrode employing, comparatively liquid electrolyte, complex manufacturing technology.
Existing non-polarizing electrode electrode base is generally planar structure, only contact with soil by electrode base plane, require higher to the soil texture buried a little, be easy to because Profiling for Soil Lithology structure undesirable (as being rich in sandy gravel etc.), and bury the improper of method and cause loose contact, also can produce extreme difference instability, considerable influence is produced to measurement data.For solving the problem, CN201804124U discloses a kind of non-polarizing electrode, this electrode is by extremely rod, electrolyte and electrode can form, electrode can is cylindrical, electrode can lower end shape is taper, in tapered electrode tank, perfusion electrolyte (lead chloride, sodium chloride or gypsum add water formulated), tapered electrode tank skin is uniformly distributed porose.Electrode directly can be inserted underground by this electrode, and decreasing digs pit buries link, easy construction; Because electrode adopts pyramidal structure, make tapered electrode tank and the earth contact relation long-time stable, external uncertain noises factor reduces, and ion-exchange is smooth and easy stable.But this utility model tapered electrode tank skin is uniformly distributed hole, has following shortcoming: (1) electrode tank skin is uniformly distributed porose, the total area in hole will be caused very large, and electrolyte osmosis amount is large, and electrolyte consumption is fast, is not suitable for long-time measurement.In this case as measured for a long time, just need the electrolytical capacity increasing electrode can, cause electrolytical waste so on the one hand, on the other hand, increase electrolytical capacity, also can increase the weight of whole electrode, be inconvenient to carry and use.(2) use and don't increase electrolytical capacity for a long time as guaranteed, just must reduce electrolytical infiltration capacity by the hole size of minimizing or hole density, just there will be wetting insufficient with the soil of electrode contact, ion-exchange is not smooth.(3) porose due to electrode tank skin being uniformly distributed, when electrode does not use, in any case place, electrolyte all can consume because of infiltration.Consume as reduced infiltration when electrode does not use, just must soak in the electrolyte by electrode, electrode is deposited cumbersome, especially in ground observation.(4) electrode tank skin is uniformly distributed porose, large with the earth contact area, measuring-signal is the average signal in these regions, the spatial discrimination rate variance of signal, the accurate measurement of high spatial resolution cannot be realized, also just cannot obtain accurately with the distribution signal in space.(5) measurement of high spatial resolution often needs the electrod-array that adopts multiple electrode to form, and this wall is uniformly distributed porose design, large with the contact area of the earth, limits the number of electrodes of the modes of emplacement of electrod-array and the electrod-array of placement.
Summary of the invention
The purpose of this utility model is, overcome the defect of prior art, there is provided a kind of non-polarizing electrode, it is simple and reasonable, use and carry all convenient, electrode contacts with soil reliably, electrode extreme difference is stablized, and electrolyte supplements convenient, can recycle for a long time, improve the measuring accuracy of electrode, the spatial resolution of measurement and measure efficiency, being applicable to the geologic condition of multiple Profiling for Soil Lithology structure.
Technical solutions of the utility model are:
A kind of non-polarizing electrode, comprises electrode wires, cavity, electrode cores, electrolyte and porous permeable post; Described porous permeable post upper end is fixedly connected with the lower end of cavity, and lower end is the working end contacted with workplace; The middle part of described cavity is hold chamber that is electrolytical and porous permeable post UNICOM; Described electrode cores be partly or entirely arranged in electrolyte, electrode wires is connected with electrode cores; The permeate throughbore of the multiple and chamber UNICOM of cavity of described porous permeable post distribution, 0.1 μ gmin is counted with the electrolyte osmosis speed in cavity in the quantity of this permeate throughbore and aperture
-1~ 10gmin
-1.
Further technical scheme is:
Described non-polarizing electrode, its porous permeable post is taper; Or porous permeable post upper end is cylinder, its lower end is taper.
Described non-polarizing electrode, the electrolyte upstream end of its porous permeable post has connector, in the mounting hole on this connector press-in cavity end face, forms being fixedly connected with of tight press fit with cavity.
Described non-polarizing electrode, its porous permeable post and cavity are being sealedly and fixedly connected of boning, or are dismountablely sealedly and fixedly connected.
Described non-polarizing electrode, its electrolyte osmosis speed is 1 μ gmin
-1~ 0.01g.min
-1.
Described non-polarizing electrode, its porous permeable column sleeve has tin hat.
Described non-polarizing electrode, the electrode wires one end be connected with electrode cores passes from the outer wall of cavity and is connected with external circuit.
Described non-polarizing electrode, its electrode cores is 1 ~ 3.
Described non-polarizing electrode, its electrode cores has 4 ~ 8.
Described non-polarizing electrode, its chamber outer wall is provided with the indicating window of observable electrolyte level, and this indicating window is other is provided with indicating graduation.
Described non-polarizing electrode, its cavity upper end is provided with Portable handle.
Described non-polarizing electrode, its cavity is that nonmetallic materials are made; Described electrode cores material is silver/silver chloride; Described electrolyte be containing sodium chloride or/and potassium chloride composition conducting liquid or gel; Described porous permeable column material is porous ceramics, or sponge plastics, or porous inorganic composite.
The utility model has the advantages that:
(1) the utility model non-polarizing electrode, structure is simple, and porous permeable post provides reliable and stable electrolytic solution and oozes out, and ensure that the ion channel of electrode and the earth.And the physical strength of the porous permeable post of taper is large, directly can insert soil, top can be knocked by weight, and avoiding digs pit the step such as to bury, water, easy construction, simple.Contact is reliable, can long-time continuous measure, electrode adopts silver/silver chloride electrode, interelectrode extreme difference is little and stable, electrode earth point earth's surface changes less, without the impact of the factors such as water permeation after watering, the current potential long-time stable of electrode earth point, thus the quality that ensure that resistivity prospecting data acquisition.
(2) non-polarizing electrode that provides of the utility model, adopt the cavity seal electrolyte of cavity, electrolyte, through the osmosis of porous permeable post, maintains the wetting regime of face surface, and keep unimpeded stable with extraneous ion-exchange, the extreme difference of electrode is little.When supplementing electrolyte in addition, only need porous permeable post be immersed in electrolyte solution, fill electrolyte by capillary syphonic effect automatic makeup, convenient and simple.By supplementary electrolyte, electrode can recycle for a long time.With tapered electrode tank skin is uniformly distributed compared with porose structure, the infiltration capacity of same time Inner electrolysis matter is little, and working time window is long, is applicable to long-time measurement; The electrolyte consumed is less, saves electric electrolytical consumption, alleviates the weight of electrode, be lightly easy to carry, free from environmental pollution.Because the contact area of tapered, porous infiltration post and soil is little, convenient and multiple electrode forms electrod-array, and the spatial resolution of measuring-signal is high, can obtain accurately with the distribution signal information in space.Only cone has permeate throughbore, taper off to a point signal, and little by assorted signal disturbing, signal intensity is large.
(3) non-polarizing electrode that provides of the utility model; by putting upside down or tin hat on porous permeable column sleeve when electrode does not use, and need not soaking in the electrolyte, greatly reducing electrode because permeating the electrolyte consumption caused; simultaneously owing to depositing process without the need to soaking, deposit simple and convenient.Wall is uniformly distributed porose electrode can structure, electrode is put in any case, all can occur electrolytical infiltration, and must soak in the electrolyte when not using, electrode is deposited cumbersome.
(4) non-polarizing electrode that provides of the utility model, be provided with multiple electrode cores, can fix a breakdown after on the one hand checking whole measurement result or the electrode of instability, the effect improving electrode area can be obtained by the several electrode working properly of short circuit on the other hand, improve signal to noise ratio (S/N ratio).If certain electrode cores cisco unity malfunction of measuring process, need not remeasure in addition.Outer wall is provided with Portable handle, is convenient for carrying.Outer wall has the indicating window observing inner chamber Inner electrolysis matter, and there is indicating graduation indicating window side, facilitates the electrolytical degree of depth of each preoperation inspection.
Accompanying drawing explanation
Fig. 1 is the structural representation of non-polarizing electrode; In figure: porous permeable post is with in the mounting hole on electrolyte upstream end press-in cavity end face, and become being fixedly connected with of tight press fit, electrode cores is all arranged in electrolyte, and porous permeable cone has protective sleeve when not using, and-electrode wires is also overlapped wire-protecting cover.
Fig. 2 is tapered, porous infiltration post and cavity bonding connection schematic diagram;
Fig. 3 is that tapered, porous infiltration post is pressed in the mounting hole on cavity end face with electrolyte upstream end, and become being fixedly connected with of tight press fit, cavity is provided with the structural representation of the non-polarizing electrode of Portable handle.
Fig. 4 is the structural representation of the non-polarizing electrode with multiple electrode cores.
Fig. 5 is the partial schematic sectional view of Fig. 2.Chamber outer wall is provided with the indicating window of observable electrolyte storage capacity, and indicating window is other is provided with indicating graduation.
Fig. 6 is electrode wires line one end connecting electrode, and passes from cavity wall and be connected with the conducting element on cavity wall, is connected with external circuit by conducting element.
Each Reference numeral name is called: 1-electrode wires; 2-cavity; 3-electrode cores; 4-electrolyte; 5-porous permeable post; 6-sealing cement; 7-tin hat; 8-electrode wires protective sleeve; 9-Portable handle; 10-indicating window; 11-indicating graduation; 12-conducting element; 13-external circuit.
Embodiment
It is as follows that the utility model is described in further detail by reference to the accompanying drawings:
embodiment 1:it is the basic embodiment of the utility model biopotential electrode.As shown in the figure, a kind of non-polarizing electrode, comprises electrode wires 1, cavity 2, electrode cores 3, electrolyte 4 and porous permeable post 5; Described porous permeable post 5 upper end is fixedly connected with the lower end of cavity 2, and lower end is the working end contacted with workplace; The middle part of described cavity 2 is that hold electrolyte 4 with chamber that is porous permeable post 5 UNICOM; Described electrode cores 3 be partly or entirely arranged in electrolyte 4, electrode wires 1 is connected with electrode cores 3; Described porous permeable post 5 distributes permeate throughbore that is multiple and the chamber UNICOM of cavity 2, and 0.1 μ gmin is counted with electrolyte 4 seepage velocity in cavity 2 in the quantity of this permeate throughbore and aperture
-1~ 10gmin
-1.
The advantage of porous permeable post 5 is: 1, electrolyte is through the osmosis of porous permeable post, maintains the wetting regime of face surface, and keep gas current channels open to stablize, the impedance of electrode is low, extreme difference is little; 2, porous permeable post can also fill electrolyte by capillary action automatic makeup, and electrode can recycle for a long time; 3, with the whole electrode tank skin of prior art is uniformly distributed compared with porose structure, the infiltration capacity of same time Inner electrolysis matter is little, and working time window is long, is applicable to long-time measurement; 4, the electrolyte consumed is less, saves electrolytical consumption, alleviates the weight of electrode, be lightly easy to carry.
embodiment 2:it is embodiment 1 further embodiment.As shown in the figure, described porous permeable post 5 is taper; Porous permeable cone 5 also can be round platform cone, and column part is the cylindricality connector be connected with cavity 2, in the mounting hole on this connector press-in cavity 2 end face, forms being fixedly connected with of tight press fit with cavity 2.Conical section and workplace surface of contact can be provided with permeable membrane, and this is the embodiment be equal to not having permeable membrane.The advantage adopting tapered, porous to permeate post is: 1, due to tapered, porous infiltration post and measured medium, contact area as soil is little, convenient and multiple electrode forms electrod-array, and the spatial resolution of measuring-signal is high, can obtain the distributed intelligence of accurate signal with space; 2, tapered, porous infiltration post directly can insert soil, avoiding digs pit the step such as to bury, water, easy construction, electrode earth point earth's surface changes less, without the impact of the factors such as water permeation after watering, the current potential long-time stable of electrode earth point, thus ensure that the quality of resistivity prospecting data acquisition; 3, tapered, porous infiltration post only cone has permeate throughbore, and taper off to a point signal, and little by assorted signal disturbing, signal intensity is large.As shown in Figure 2, porous permeable post 5 is the bonding connections by sealing cement 6 with the connection of cavity 2, and this is a kind of different embodiment.When porous permeable post post 5 and cavity 2 are sealedly and fixedly connected for dismountable, be then another embodiment, its advantage is that porous permeable post 5 can be changed, easy to use, safeguard and save equipment cost.Seepage velocity is 0.1 μ gmin
-1~ 10gmin
-1be by actual measurement, be preferably 1 μ gmin
-1~ 0.01gmin
-1.The seepage velocity of porous permeable post 5 is by the pore size of porous permeable post, and the density in hole number and hole determines.When seepage velocity is greater than 10gmin
-1, electrolyte osmosis is too fast, and electrode operation window is short, is not too applicable to long-time measurement more than 8h.In this case as long-time requirement of measuring will be met, just need regular replenishment electrolyte or strengthen electrolytical capacity.Strengthen electrolytical capacity, inherently increase the volume and weight of cavity, cause electrode heavy, be inconvenient to carry, also can cause electrolytical waste.When infiltration rate is less than 0.1 μ gmin
-1, electrolyte fully cannot moisten the soil of porous permeable post periphery, and the soil of electrode cores and periphery cannot set up unimpeded stable ion-exchange, and impedance is large, and electrode extreme difference is large.When the seepage velocity of porous permeable post 5 is 0.1 μ gmin
-1~ 10gmin
-1, can ensure the abundant wet perimetric soil of electrolyte, contact well with Soil Surrounding, infiltration can be avoided again too fastly to cause the heaviness of equipment and electrolytical waste, and the operation window of electrode is also long.As shown in Figure 1; porous permeable post 5 cover has tin hat 7; its effect is: by putting upside down or tin hat 7 on porous permeable post 5 overlaps when electrode does not use; and need not soak in the electrolyte; greatly reduce electrode because permeating the electrolyte consumption caused; simultaneously owing to depositing process without the need to soaking, to deposit conveniently, simple.And wall being uniformly distributed porose electrode can structure, electrode is put in any case, all can occur electrolytical infiltration, must soak in the electrolyte when not using, and electrode is deposited cumbersome.Electrode takes off tin hat when using, due to the electrolyte in chamber always with electrode contact, electrode inserts afterpotential just energy Fast-Balance.Electrode wires 1 one end be connected with electrode cores 3 passes from the outer wall of cavity 2 and is connected with external circuit 13, and electrode wires cover has electrode wires protective sleeve 8.Or described electrode wires is connected with the conducting element 12 on cavity wall, is connected with external circuit 13 by conducting element 12.Conducting element 8 can be jack, socket, binding post.Wire passes from cavity wall, because beaing damage electrode wires when not affecting construction.If pass from top, then can not beat on top during construction.As shown in Fig. 1,2,3,6, electrode cores 3 is 1; As shown in Figure 4, electrode cores 3 is 3, be then another embodiment, can also be 4 ~ 8; Multiple electrode cores advantage is: can fix a breakdown after on the one hand checking whole measurement result or the electrode of instability, can obtain the effect improving electrode area by the several electrode working properly of short circuit on the other hand, improve signal to noise ratio (S/N ratio).Cavity 2 outer wall is provided with the indicating window 10 of observable electrolyte level as shown in Figure 5, and this indicating window is other is provided with indicating graduation 11, can observe electrolytical height, judge whether to need supplementary electrolyte before use.Conveniently observe, electrolyte can also add pigment, dyestuff.As shown in Figure 3, cavity 2 upper end is provided with Portable handle 9, and described Portable handle 9 material can be rope, metal, can upwards carry when carrying, and when soaking in the solution by capillary syphonic effect make-up solution, can hang on fixed mount.When constructing, Portable handle can be downward, do not affect cavity upper surface and knock.Portable handle can respectively have one in both sides.Cavity 2 is made for nonmetallic materials; Described electrode cores 3 material is silver/silver chloride, preferred silver/silver chloride powder electrode; Described electrolyte 4 be containing sodium chloride or/and potassium chloride composition conducting liquid or gel; Described porous permeable post 5 material is porous ceramics, or sponge plastics, or porous inorganic composite, can also select porous polyethylene.
Claims of the present utility model is not limited to above-described embodiment.
Claims (12)
1. a non-polarizing electrode, is characterized in that: comprise electrode wires (1), cavity (2), electrode cores (3), electrolyte (4) and porous permeable post (5); Described porous permeable post (5) upper end is fixedly connected with the lower end of cavity (2), and lower end is the working end contacted with workplace; The middle part of described cavity (2) for hold electrolyte (4) with the chamber of porous permeable post (5) UNICOM; Described electrode cores (3) be partly or entirely arranged in electrolyte (4), electrode wires (1) is connected with electrode cores (3); Described porous permeable post (5) distributes permeate throughbore that is multiple and the chamber UNICOM of cavity (2), and 0.1 μ gmin is counted with electrolyte (4) seepage velocity in cavity (2) in the quantity of this permeate throughbore and aperture
-1~ 10gmin
-1.
2. non-polarizing electrode according to claim 1, is characterized in that, described porous permeable post (5) is taper; Or porous permeable post (5) upper end is cylinder, its lower end is taper.
3. non-polarizing electrode according to claim 1, it is characterized in that, the electrolyte upstream end of described porous permeable post-(5) has connector, in the mounting hole on this connector press-in cavity (2) end face, forms being fixedly connected with of tight press fit with cavity (2).
4. non-polarizing electrode according to claim 1, is characterized in that, described porous permeable post (5) and cavity (2) are being sealedly and fixedly connected of boning, or is dismountablely sealedly and fixedly connected.
5. non-polarizing electrode according to claim 1, is characterized in that, described electrolyte (4) seepage velocity is 1 μ gmin
-1~ 0.01g.min
-1.
6. non-polarizing electrode according to claim 1, is characterized in that, described porous permeable post (5) cover has tin hat (7).
7. non-polarizing electrode according to claim 1, is characterized in that, electrode wires (1) one end be connected with electrode cores (3) passes from the outer wall of cavity (2) and is connected with external circuit (13).
8. non-polarizing electrode according to claim 1, is characterized in that, described electrode cores (3) is 1 ~ 3.
9. non-polarizing electrode according to claim 1, is characterized in that, described electrode cores (3) has 4 ~ 8.
10. non-polarizing electrode according to claim 1, is characterized in that, described cavity (2) outer wall is provided with the indicating window (10) of observable electrolyte level, and this indicating window is other is provided with indicating graduation (11).
11. non-polarizing electrodes according to claim 1, is characterized in that, described cavity (2) upper end is provided with Portable handle (9).
12. non-polarizing electrodes according to any one claim of claim 1 to 10, is characterized in that, described cavity (2) is made for nonmetallic materials; Described electrode cores (3) material is silver/silver chloride; Described electrolyte (4) be containing sodium chloride or/and potassium chloride composition conducting liquid or gel; Described porous permeable post (5) material is porous ceramics, or sponge plastics, or porous inorganic composite.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105011926A (en) * | 2015-08-11 | 2015-11-04 | 苏州格林泰克科技有限公司 | Bio-electrical signal sensor and method using sensor for manufacturing electric signal collecting device |
| WO2015196554A1 (en) * | 2014-06-28 | 2015-12-30 | 苏州格林泰克科技有限公司 | Bioelectricity signal sensor |
| CN106291718A (en) * | 2016-08-30 | 2017-01-04 | 中国电建集团贵阳勘测设计研究院有限公司 | Unpolarizable electrode inlayed by a kind of high energy excitation polarization CAVE DETECTION method and high-strength copper pottery |
| KR101776931B1 (en) | 2016-12-29 | 2017-09-08 | 셀파이엔씨 주식회사 | nonpolarizable electrode apparatus |
| CN111307705A (en) * | 2018-12-11 | 2020-06-19 | 马自达汽车株式会社 | Corrosion resistance test method for clad metal material |
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2014
- 2014-08-08 CN CN201420446530.4U patent/CN204142965U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015196554A1 (en) * | 2014-06-28 | 2015-12-30 | 苏州格林泰克科技有限公司 | Bioelectricity signal sensor |
| CN105011926A (en) * | 2015-08-11 | 2015-11-04 | 苏州格林泰克科技有限公司 | Bio-electrical signal sensor and method using sensor for manufacturing electric signal collecting device |
| CN105011926B (en) * | 2015-08-11 | 2018-05-04 | 苏州格林泰克科技有限公司 | A kind of bioelectrical signals sensor and its method for making electrical signal collection device |
| CN106291718A (en) * | 2016-08-30 | 2017-01-04 | 中国电建集团贵阳勘测设计研究院有限公司 | Unpolarizable electrode inlayed by a kind of high energy excitation polarization CAVE DETECTION method and high-strength copper pottery |
| KR101776931B1 (en) | 2016-12-29 | 2017-09-08 | 셀파이엔씨 주식회사 | nonpolarizable electrode apparatus |
| CN111307705A (en) * | 2018-12-11 | 2020-06-19 | 马自达汽车株式会社 | Corrosion resistance test method for clad metal material |
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