CN107455159A - Plant growth promotes device and method - Google Patents
Plant growth promotes device and method Download PDFInfo
- Publication number
- CN107455159A CN107455159A CN201710376083.8A CN201710376083A CN107455159A CN 107455159 A CN107455159 A CN 107455159A CN 201710376083 A CN201710376083 A CN 201710376083A CN 107455159 A CN107455159 A CN 107455159A
- Authority
- CN
- China
- Prior art keywords
- electrode
- plant
- voltage
- pair
- root
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Hydroponics (AREA)
Abstract
Plant growth promotes device to possess：Container, the nutrient solution equipped with cultivated plant；A pair of electrodes group, it is arranged opposite in the container, and there are multiple electrodes；Power supply, apply voltage between the pair of electrode group；Electric current measuring device, measure the current value between the pair of electrode group；And voltage applies control unit, apply voltage between a part of electrode in the multiple electrode, according to the current value being applied between a part of electrode of the voltage, the root of the plant is determined whether, applies the voltage of growth promotion in the case of the plant be present described.
Description
Technical field
This disclosure relates to electric field is provided grow the plant growth promotion of promotion to the root of plant in hydroponics
Device and method.
Background technology
In order to solve nearest food problem, turn into important technology using the plant cultivation of hydroponics.It is although sharp
It can be controlled with the plant cultivation of hydroponics in the space that factory etc. is managed, but in order to popularize, it is necessary to pass through
Shorten and cultivate the time limit, reduce operating operating cost to reduce the cost of cultivation plant.
It is known to have following device, i.e. the time limit to be cultivated in order to shorten, via the nutrient solution used in hydroponics to plant
Root electric field is provided, so as to promote growth (for example, referring to hillside plot " to be target based on impulse electric field applied to plant factor
Lettuce cultivation control ", electrically learn basis, material, public sector's conference, in September, 2015, p.325 (hillside plot, " plant work
Field boundary へ ying The mesh refers to パ Le ス Electricity circle ょ Ru レ タ ス, and to be bred as system imperial ", Electricity mood association Ji Foundation materials it is common
Bu Door conferences, Heisei in September, 27, p.325)).Fig. 6 is to show that conventional plant growth promotes the figure of the structure of device.In Fig. 6
In, the panel 51 for being configured with plant 50 is put into the cultivating container 53 equipped with nutrient solution 52, by power supply 54 and a pair of electrodes 55
Connect and apply voltage, so as to provide electric field to the root of plant 50 via nutrient solution 52.
The content of the invention
The plant growth that one mode of the disclosure is related to promotes device to possess：Container, the nutrient solution equipped with cultivated plant；
A pair of electrodes group, it is arranged opposite in the container, and there are multiple electrodes；Power supply, apply between the pair of electrode group
Voltage；Electric current measuring device, measure the current value between the pair of electrode group；And voltage applies control unit, described more
Apply voltage between a part of electrode in individual electrode, according to the electricity being applied between a part of electrode of the voltage
Flow valuve, the root of the plant is determined whether, apply the voltage of growth promotion in the case of the plant be present described.
In addition, the method for promoting plant growth that a mode of the disclosure is related to applies electric field to the root of plant, wherein,
Apply voltage between a part of electrode in a pair of electrodes group, the pair of electrode group is equipped with the nutrient solution for cultivating the plant
Container in it is arranged opposite, and there are multiple electrodes, according to the electricity being applied between a part of electrode of the voltage
Flow valuve, described of the plant is determined whether, in the case where there is described of the plant, apply growth promotion
Voltage, on above-mentioned such step, connection is switched successively to each in the multiple electrode to implement above-mentioned steps.
The plant growth being related to according to the mode of the disclosure promotes device and method, carries out growth rush with can saving
Enter, operating cost can be reduced.Further, since can be switched over to electrode to apply voltage, therefore it can reduce and flow through one
To the electric current of electrode.Thereby, it is possible to realize the miniaturization of power supply, equipment cost can be reduced.
Brief description of the drawings
Fig. 1 is the structure chart of the plant growth promotion device in embodiment.
Fig. 2 is the flow chart for the action for showing the plant growth promotion device in embodiment.
Fig. 3 is that the plant growth in embodiment promotes the electrode group of device by the electrode structure in the case of even partition
Figure.
Fig. 4 is that the plant growth in embodiment promotes the electrode group of device by the electrode knot in the case of uneven segmentation
Composition.
Fig. 5 A are to show that plant growth in embodiments promotes to carry out galvanometer to the state in the absence of root in device
The figure of the example of current waveform during survey.
Fig. 5 B are to show that plant growth in embodiments promotes to carry out electric current measurement to the state of root be present in device
When current waveform example figure.
Fig. 6 is to show that conventional plant growth promotes the figure of the structure of device.
Embodiment
Before being illustrated to embodiment, the problems of the prior art are briefly described.
In the plant growth shown in Fig. 6 promotes device, electric field applying zone that root is unevenly present in nutrient solution,
It can also apply electric field for the part in the absence of root, the waste of energy can be produced.The waste of energy be also directly connected to operation into
This increase, applied by effective electric field to realize that energy-saving just turns into significant problem.
The purpose of the disclosure is, solves the above problems, there is provided one kind is carried out growing promotion and can dropped in which can save
The plant growth of low operating cost promotes device and method.
Hereinafter, embodiment is illustrated referring to the drawings.
(embodiment)
Fig. 1 is the structure chart that the plant growth that embodiment is related to promotes device, promotes device to plant growth below
Structure illustrates.
Plant growth promotes device to possess container 103, electrode group 115, power supply 104, electric current measuring device 108, Yi Ji electricity
Pressure applies control unit 109.
Load the nutrient solution 102 of cultivated plant 101 in container 103.
Plant growth promotes device to possess two electrode groups 115 corresponding with positive pole and negative pole.Here, two electrode groups
115 equivalent to this disclosure relates to a pair of electrodes group.
Two electrode groups 115 have multiple electrodes 105 respectively.In other words, two electrode groups 115 are divided into multiple respectively
Electrode 105.For example, in Fig. 1, two electrode groups 115 have 4 electrodes 105 respectively.In other words, two electrode groups 115 are distinguished
It is divided into 4 electrodes 105.
In Fig. 1, the size of multiple electrodes 105 is equal to each other.In other words, in Fig. 1, two electrode groups 115 are impartial
Ground Split.
Two electrode groups 115 are configured to opposite each other in container 103.That is, multiple electrodes 105 are formed matches somebody with somebody opposite each otherly
The multipair electrode put.For example, in Fig. 1, multiple electrodes 105 form 4 pairs of electrodes.
Power supply 104 applies voltage between two electrode groups 115.That is, power supply 104 is possessed by two electrode groups 115
Apply voltage between multiple electrodes 105.
Electric current measuring device 108 measures the current value between two electrode groups 115.That is, the measurement of electric current measuring device 108 two
Current value between multiple electrodes 105 possessed by individual electrode group 115.
Voltage applies control unit 109 to being divided into a part (that is, the Duo Ge electricity of multiple and arranged opposite electrode groups 115
A part in pole 105) apply voltage, plant 101 is determined whether according to the current value being applied between the electrode 105 of voltage
Root 101a, in the case of the root 101a that plant 101 be present apply growth promotion voltage.
In Fig. 1, the root 101a of plant 101 is present in the container 103 for being incorporated with nutrient solution 102, can utilize power supply
104 apply plant growth via the electrode 105 in nutrient solution 102 promotes required electric field.Multiple electrodes 105 are opposite each other
Ground is configured with multigroup.The insulated body 106 of electrode group 115 is divided into multiple electrodes 105.Now, on electrode 105, in order to
The electric field applying zone 110 formed between opposed electrode 105 effectively applies electric field, is configured to make opposed electrode 105
Interelectrode distance L3 is longer than 0cm and is less than 5 times of the length of the short side of electrode 105.Here, the short side of electrode 105 is electrode
Shorter side in 105 electrode transverse width L1 and electrode height L2.
Compared with the length of the short side of electrode 105 interelectrode distance L3 it is minimum in the case of, interelectrode electric field is visual
To be consistent.If however, interelectrode distance L3 is excessive compared with the length of the short side of electrode 105, electric field will be inconsistent.One
As, on electrostatic field, the distribution of electric-field intensity can be obtained by using Poisson's equation formula, as consistent electricity can be applied
The optimum condition of field, is configured to the interelectrode distance L3 ratios for making opposed electrode 105 relative to the length of the short side of electrode 105
0cm is long and for less than 5 times.In other words, two electrode groups 115 preferably across it is longer than 0cm and for 5 times of short side of electrode 105 with
Under distance carry out it is arranged opposite.
Furthermore it is possible to carry out multiple circuits between electrode 105 and power supply 104 respectively by electrode switch unit 107
Opening and closing, by the operation of electrode switch unit 107, only connect opposed pairs electrode 105 and a pair of electrodes of power supply 104 is cut
Unit 107 is changed by closing of circuit, and opens other electrode switch units 107, thus, it is possible to only between a pair of electrodes 105
The electric field applying zone of formation applies electric field.By being switched over to the electrode switch unit 107, thus allow for electric field and apply
Add the switching in region.Furthermore it is possible to use electric current measuring device 108 measures the electricity for flowing through the electric field applying zone between electrode 105
Flow valuve, the root 101a in electric field applying zone with the presence or absence of plant 101 can be differentiated by the measurement of current value, in no root
Enter to exercise the control that power supply 104 applies without voltage in the case of 101a.The control by with power supply 104 and electric current measuring device
The voltage of 108 connections applies control unit 109 to carry out.In addition, in Fig. 1, the control of electrode switch unit 107 is also applied by voltage
Add control unit 109 to carry out.
Then, the action of device is promoted to illustrate Fig. 1 plant growth according to Fig. 2 flow chart.In fig. 2, it is right
Following action illustrates, i.e. detection whether there is the root 101a of plant 101, the electrode to detecting root 101a between electrode 105
105 apply voltage.
First, in step S101, apply control unit 109 using voltage and electrode switch unit 107 is controlled, will divide
It is cut into the part in multiple and arranged opposite electrode groups 115 (that is, the part in multiple electrodes 105), such as a pair of electricity
Pole 105 is connected with power supply 104.
Next, in step s 102, being controlled to power supply 104, apply the voltage waveform for detecting the presence of root.
Next, in step s 103, the electric current between a pair of electrodes 105 is measured using electric current measuring device 108.
Next, in step S104, according to the current value of electric current measuring device 108, judge applying control by voltage
Apply the root 101a that plant 101 is whether there is between alive a pair of electrodes 105 in portion 109 processed.In the case where being determined to have root,
Apply the voltage of plant growth promotion in step S105 using power supply 104., will be to scheme on the current value used in judgement
5A and Fig. 5 B are described in detail.Hereafter, step S106 is entered.In the case where being determined as no root, without step
S105, in step s 106 end voltage application.
Then, in step s 107, another pair electrode of still no applied voltage is selected by voltage application control unit 109
105。
In step S108, determine whether that applying control unit 109 by voltage finishes to the voltage of whole electrodes 105
Apply.In the case of unclosed, step S101 is returned to, untill the application to the voltage of whole electrodes 105 terminates, according to
Secondary switching is connected to apply voltage.
Now, the connection on a pair of electrodes 105 in step S101 and power supply 104, will not be to root as long as being separated by
101a detection carries out the electrode pair of the distance of the degree of misinterpretation, just can also be simultaneously by more than two pairs of electrode 105 and electricity
Source 104 connects.
In addition, in step S102 be used for detect the presence of root voltage waveform both can be direct current constant voltage or
Impulse waveform.
And then the voltage waveform in step S105 also both can be direct current constant voltage or impulse waveform.
In addition, apply on the voltage in step S102 or step S105, as long as the electrolysis of nutrient solution 102 will not be caused
Waveform, the composition of nutrient solution 102 would not be changed, therefore preferably.Specifically, as long as substantially without application as water
The 1.23V of the theoretical critical fire area voltage of electrolysis voltage or burst waveforms, would not produce the electrolysis of water, it can thus be assumed that not
The composition of nutrient solution 102 can be changed.
Then, Fig. 3 show present embodiment plant growth promote device in electrode group 115 by the feelings of even partition
Electrode structural chart under condition.
Root 101a's in the presence of the root 101a that can not estimate plant 101 is prior or at each electrode 105 deposits
In the case where probability is not known, uniform Ground Split electrode group 115 is advisable.Here, as an example, electrode group 115 is equal
Even Ground Split is into the row of 4 row 5.
Then, electrode group 115 is unevenly split in Fig. 4 shows to promote device in the plant growth of present embodiment
In the case of electrode structural chart.
Root 101a's in the presence of the root 101a that can estimate plant 101 is prior or at each electrode 105 of estimation
In the case of probability being present and having weighting, unevenly splitting electrode group 115 is advisable.For example, apply first day in electric field in estimation
In the case of the probability height that the root 101a of plant 101 be present, as first electrode 105a (this disclosure relates to electrode an example
Son) like that, electrode group 115 is split in a manner of as the size in the region that root 101a be present.In addition, according to plant
101 growth course, in the estimation root 101a region that can uprise of presence probability, as second electrode 105b (this disclosure relates to
Electrode an example) like that, electrode group 115 is split smaller.Even if on the contrary, grown in estimation plant 101
And root 101a presence probability is also in low region, such as the 3rd electrode 105c one example of electrode (this disclosure relates to) that
Sample, electrode group 115 is split larger.That is, if in the big region of root 101a presence probability and small region unevenly
Segmentation electrode group 115 (if make the size of multiple electrodes 105 different from each other), plant growth can be made to promote the efficient earthquake of device
Make.
Then, in Fig. 5 A and Fig. 5 B, show that plant growth in embodiments promotes voltage waveform 111 in device
Electrode 105 is applied to, in the absence of the current waveform 112 of root 101a state and has root 101a's in electric field applying zone 110
The example of the current waveform 112 of state.Fig. 5 A are the figures for the current waveform 112 for showing the state in the absence of root 101a.Fig. 5 B are
The figure of current waveform 112 that root 101a state be present is shown.Current waveform 112 and presence to the state in the absence of root 101a
The current waveform 112 of root 101a state, which is compared, to be understood, the current value that root 101a current waveform 112 be present reduces, energy
Enough detect the presence or absence of root 101a.
By device described above, it only can apply electric field to root 101a region be present, being given birth to can saving
It is long to promote, operating cost can be reduced.
According to above-mentioned embodiment, switch multiple electrodes 105 while applying the voltage for detecting the presence of root 101a,
And the current value between electrode 105 is measured, so as to only promote application plant growth between root 101a electrode 105 being present
Voltage.Thus, it is possible to carry out growth promotion with saving, operating cost can be reduced.Furthermore it is possible to electrode group 115 is entered
Row is split and multiple electrodes 105 switched over to apply voltage, therefore can reduce the electric current for flowing through a pair of electrodes 105.By
This, can realize the miniaturization of power supply 104, can reduce equipment cost.
It is in addition, appropriate by being carried out to the arbitrary embodiment or variation in above-mentioned various embodiments or variation
Combination, so as to reach each possessed effect.Furthermore it is possible to carry out embodiment combination with one another or embodiment each other
Combination or embodiment and embodiment combination, and can also carry out the feature in different embodiment or embodiment that
This combination.
According to this disclosure relates to plant growth promote device and method of promoting plant growth, electrode can be split
And switch over to apply voltage, therefore the electric current for flowing through a pair of electrodes can be reduced.Therefore, it is possible to realize the small-sized of power supply
Change, equipment cost can be reduced.Due to that can also reduce electric current, therefore Security Countermeasures can be also easy to, can accelerate import based on pair
The growth facilitated technique that the voltage of hydroponics applies.Thereby, it is possible to shorten the cultivation time limit in hydroponics, plant can be reduced
Thing cultivates cost, helps solve global food problems.
Claims (3)
1. a kind of plant growth promotes device, possess：
Container, the nutrient solution equipped with cultivated plant；
A pair of electrodes group, it is arranged opposite in the container, and there are multiple electrodes；
Power supply, apply voltage between the pair of electrode group；
Electric current measuring device, measure the current value between the pair of electrode group；And
Voltage applies control unit, applies voltage between a part of electrode in the multiple electrode, according to being applied in
Current value between a part of electrode of voltage, the root of the plant is determined whether, in the plant be present described
In the case of apply growth promotion voltage.
2. plant growth according to claim 1 promotes device, wherein,
The pair of electrode group is arranged opposite across less than 5 times of distance of long and electrode the short side than 0cm.
3. a kind of method of promoting plant growth, electric field is applied to the root of plant, wherein,
Apply voltage between a part of electrode in a pair of electrodes group, the pair of electrode group is equipped with the cultivation plant
It is arranged opposite in the container of nutrient solution, and there are multiple electrodes,
According to the current value being applied between a part of electrode of the voltage, the described of the plant is determined whether
Root,
In the case where there is described of the plant, apply the voltage of growth promotion,
Connection is switched successively to each in the multiple electrode to implement above-mentioned steps.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016112832A JP6390923B2 (en) | 2016-06-06 | 2016-06-06 | Plant growth promoting apparatus and method |
| JP2016-112832 | 2016-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107455159A true CN107455159A (en) | 2017-12-12 |
| CN107455159B CN107455159B (en) | 2020-04-14 |
Family
ID=60543815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710376083.8A Active CN107455159B (en) | 2016-06-06 | 2017-05-24 | Plant growth promoting device and method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6390923B2 (en) |
| CN (1) | CN107455159B (en) |
| SG (1) | SG10201704131TA (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2058717C1 (en) * | 1994-09-26 | 1996-04-27 | Владимир Анатольевич Горшенин | Method for increasing yield and reducing growing period of plants |
| EP1726924A1 (en) * | 2005-05-23 | 2006-11-29 | Incorporated Administrative Agency, National Agriculture and Bio-Oriented Research Organization | Method for measuring the weight of a plant body |
| JP2008154539A (en) * | 2006-12-25 | 2008-07-10 | Keio Gijuku | Method for measuring plant biological signal, electrode for measuring plant biological signal, and method and apparatus for detecting external stimulation |
| JP2008278796A (en) * | 2007-05-10 | 2008-11-20 | Tsuchiya Rubber Kk | Plant cultivating method and plant cultivating apparatus |
| JP4407024B2 (en) * | 2000-08-29 | 2010-02-03 | 逸雄 山浦 | Method for evaluating plant roots |
| WO2010098461A1 (en) * | 2009-02-27 | 2010-09-02 | 国立大学法人帯広畜産大学 | Plant culture system and hydroponic culture system |
| CN101842696A (en) * | 2007-10-31 | 2010-09-22 | 爱科来株式会社 | Analysis tool, analyzer, sample shortage detection method, and sample analysis method |
| JP2011087766A (en) * | 2009-10-22 | 2011-05-06 | Adtex:Kk | Root tip position detector |
| JP2012070716A (en) * | 2010-09-30 | 2012-04-12 | Daikin Industries Ltd | Plant cultivation device and plant cultivation method |
| CN103868958A (en) * | 2014-03-27 | 2014-06-18 | 李星恕 | Electrical impedance tomography imaging plant root system architecture in-situ observation method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62146536A (en) * | 1985-12-23 | 1987-06-30 | 新菱冷熱工業株式会社 | Apparatus for promoting growth of plant |
| JPH0681575B2 (en) * | 1989-08-10 | 1994-10-19 | 日立造船株式会社 | Seafood appreciation device |
| JPH0458829A (en) * | 1990-06-29 | 1992-02-25 | Mitsubishi Heavy Ind Ltd | Growth controller of plant |
| US5464456A (en) * | 1993-06-30 | 1995-11-07 | Kertz; M. Glen | Electronic stimulation of plants |
-
2016
- 2016-06-06 JP JP2016112832A patent/JP6390923B2/en active Active
-
2017
- 2017-05-19 SG SG10201704131TA patent/SG10201704131TA/en unknown
- 2017-05-24 CN CN201710376083.8A patent/CN107455159B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2058717C1 (en) * | 1994-09-26 | 1996-04-27 | Владимир Анатольевич Горшенин | Method for increasing yield and reducing growing period of plants |
| JP4407024B2 (en) * | 2000-08-29 | 2010-02-03 | 逸雄 山浦 | Method for evaluating plant roots |
| EP1726924A1 (en) * | 2005-05-23 | 2006-11-29 | Incorporated Administrative Agency, National Agriculture and Bio-Oriented Research Organization | Method for measuring the weight of a plant body |
| JP2008154539A (en) * | 2006-12-25 | 2008-07-10 | Keio Gijuku | Method for measuring plant biological signal, electrode for measuring plant biological signal, and method and apparatus for detecting external stimulation |
| JP2008278796A (en) * | 2007-05-10 | 2008-11-20 | Tsuchiya Rubber Kk | Plant cultivating method and plant cultivating apparatus |
| CN101842696A (en) * | 2007-10-31 | 2010-09-22 | 爱科来株式会社 | Analysis tool, analyzer, sample shortage detection method, and sample analysis method |
| WO2010098461A1 (en) * | 2009-02-27 | 2010-09-02 | 国立大学法人帯広畜産大学 | Plant culture system and hydroponic culture system |
| JP2011087766A (en) * | 2009-10-22 | 2011-05-06 | Adtex:Kk | Root tip position detector |
| JP2012070716A (en) * | 2010-09-30 | 2012-04-12 | Daikin Industries Ltd | Plant cultivation device and plant cultivation method |
| CN103868958A (en) * | 2014-03-27 | 2014-06-18 | 李星恕 | Electrical impedance tomography imaging plant root system architecture in-situ observation method |
Non-Patent Citations (3)
| Title |
|---|
| 李子敬等: "树木根系分布与结构研究方法综述", 《世界林业研究》 * |
| 田洪润等: "以电阻抗谱法研究植物细胞膜透性生物学", 《广东农业科学》 * |
| 白广存等: "植物生理信息采集处理系统及应用", 《现代科学仪器》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6390923B2 (en) | 2018-09-19 |
| CN107455159B (en) | 2020-04-14 |
| SG10201704131TA (en) | 2018-01-30 |
| JP2017216913A (en) | 2017-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106501864B (en) | Utilize the high density electric survey devices and methods therefor of metal electrode measurement polarizability | |
| Umamaheswari et al. | Integrating scheduled hydroponic system | |
| AUPQ249999A0 (en) | Optimizing cochlear implant electrode selection | |
| Simonis et al. | Caspase dependent apoptosis induced in yeast cells by nanosecond pulsed electric fields | |
| CN106459858A (en) | Electric pulse generator for electroporator, and electroporator system provided with electric pulse generator | |
| EP2308969A1 (en) | Method for accelerating cell proliferation | |
| CN103858853B (en) | A kind of physics electric field goes out except the device of elimination of underground destructive pests | |
| CN205491361U (en) | LED lamp of adjustable colour temperature | |
| CN106153864A (en) | A kind of home flower planting soil parameter detection device | |
| CN107455159A (en) | Plant growth promotes device and method | |
| CN105044790A (en) | System and method for determining orientation of anomalous body on the basis of circumferential electrode scanning | |
| Takaki et al. | Effects of pulse voltage stimulation on fruit body formation in Lentinula edodes cultivation | |
| Novák et al. | Orientation of Fucus egg polarity by electric ac and dc fields | |
| Androvitsaneas et al. | Estimation of ground enhancing compound performance using artificial neural network | |
| CN109777732A (en) | A kind of bipolar cells fusion instrument and its control method | |
| JP5382703B2 (en) | Plant growth measurement system, control method thereof, and control program | |
| CN104991505A (en) | Aquaculture water quality parameter perception device | |
| Hülsmann et al. | Electrophysiological stimulation of whole heart constructs in an 8‐pole electrical field | |
| Wang et al. | Monitoring and analysis of electrical signals in water‐stressed plants | |
| Khort et al. | Device for automated magnetic pulse stimulation of plant production processes | |
| CN111931262B (en) | Physical model device for detecting pit-based enclosure leakage | |
| JP6233763B1 (en) | Electron generator | |
| CN208849734U (en) | A kind of photovoltaic cell component voltage measuring apparatus based on differential switch battle array | |
| Tsukamoto et al. | Development of an automatic electrical stimulator for mushroom sawdust bottle | |
| CN106249110B (en) | A kind of ultra-high-tension power transmission line failure both-end distance measuring method of automatic identification puppet root |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1240769 Country of ref document: HK |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |