CN106366181A - High-linearity temperature monitoring system for hydrolysis extraction of fishskin collagen - Google Patents
High-linearity temperature monitoring system for hydrolysis extraction of fishskin collagen Download PDFInfo
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- CN106366181A CN106366181A CN201610823309.XA CN201610823309A CN106366181A CN 106366181 A CN106366181 A CN 106366181A CN 201610823309 A CN201610823309 A CN 201610823309A CN 106366181 A CN106366181 A CN 106366181A
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- amplifier
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- resistance
- audion
- electric capacity
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/78—Connective tissue peptides, e.g. collagen, elastin, laminin, fibronectin, vitronectin, cold insoluble globulin [CIG]
Abstract
The invention discloses a high-linearity temperature monitoring system for hydrolysis extraction of fishskin collagen. The high-linearity temperature monitoring system is characterized by being mainly composed of an amplifier P1, a capacitor C2, a capacitor C3 and a diode D4, wherein the positive electrode of the capacitor C3 is connected with the positive electrode of the amplifier P1, the negative electrode of the capacitor C3 is connected with the output end of the amplifier P1, the N pole of the diode D4 is connected with the positive electrode of the amplifier P1, and the P pole of the diode D4 is grounded through a resistor R11. According to the high-linearity temperature monitoring system, due to the fact that interference noise in a detection signal can be filtered out, influences of the interference noise are eliminated, the distortion degree of the detection signal can be decreased, the temperature monitoring precision of the system is improved, work staff can better control the water temperature to enable the water temperature to keep at an optimal temperature, and then the extraction rate of the fishskin collagen is increased.
Description
Technical field
The present invention relates to collagen protein extracts field, specifically refer to a kind of Hydrolyze method and extract collagen protein of fish skin High Linear
Temperature monitoring system.
Background technology
In recent years, the development and utilization of collagen protein has caused the extensive concern of people.Contain abundant in collagen protein
Glycine, proline and hydroxyproline, also contain abundant physiologically active peptide in its hydrolyzate, these characteristics make collagen protein
And hydrolyzate has a good application prospect in terms of medical treatment, health care and beauty treatment.Shadow due to European bovine spongiform encephalopathy and foot and mouth disease
Ring, queried by people as the safety of the collagen protein of primary raw material using Corii Bovis seu Bubali, Corii Sus domestica, people start with fish skin, fish
The marine organism materials such as bone replace pig, Corii Bovis seu Bubali as the new raw material extracting collagen protein, marine organisms collagen protein and pig, cattle etc.
The collagen protein of terrestrial animal is compared, and the property of its characteristic, composition and solution all exists dramatically different.
It is a kind of common extracting method that hot water extraction method extracts collagen protein of fish skin, through experiment, is extracted using hot water
When method extracts collagen protein of fish skin, optimal water temperature is 90 DEG C about, and when water temperature is 90 DEG C about, collagen protein of fish skin carries
Take rate highest.In order to ensure water temperature is able to maintain that people are generally supervised to water temperature using temperature monitoring system at 90 DEG C about
Survey, when water temperature over-high or too low when then in time water temperature is adjusted, so that it is guaranteed that the extraction ratio of collagen protein of fish skin.However,
The temperature monitoring system being adopted when extracting to collagen protein of fish skin at present is not high to water temperature detection precision, has had a strong impact on glue
The extraction of former albumen.
Content of the invention
It is an object of the invention to overcoming the temperature monitoring system pair being adopted when extracting at present to collagen protein of fish skin
The not high defect of water temperature detection precision, provides a kind of Hydrolyze method to extract collagen protein of fish skin High Linear temperature monitoring system.
The purpose of the present invention is achieved through the following technical solutions: Hydrolyze method extracts collagen protein of fish skin High Linear temperature prison
Examining system, mainly by amplifier p1, electric capacity c2, positive pole is connected with the positive pole of amplifier p1, the output of negative pole and amplifier p1
Hold the electric capacity c3 being connected, the diode d4 that n pole is connected, p pole is grounded after resistance r11, one end with the positive pole of amplifier p1
Be connected with the negative pole of amplifier p1, the other end ground connection resistance r10, n pole is connected with the positive pole of amplifier p1, negative pole with put
The diode d5 that the negative pole of big device p1 is connected, the temperature being connected with the positive pole of electric capacity c2 and the negative pole of amplifier p1 respectively is adopted
Collector, the power circuit being connected with temperature collection circuit, and the linear regulation being connected with the outfan of amplifier p1
Circuit, the amplifying circuit composition being connected with linear regulating circuit；The negative pole of described electric capacity c2 is connected with the negative pole of amplifier p1
Connect.
Further, described linear regulating circuit is by amplifier p4, amplifier p5, audion vt3, negative pole and amplifier p4
Positive pole be connected, electric capacity c6 that positive pole is connected with the outfan of amplifier p1, one end is connected with the positive pole of amplifier p4,
The resistance r16 of other end ground connection, positive pole is connected with the negative pole of amplifier p4, negative pole is connected with the outfan of amplifier p4
Electric capacity c7, is serially connected in the resistance r17 between the negative pole of electric capacity c7 and the base stage of audion vt3, the outfan of p pole and amplifier p4
Be connected, diode d7 that n pole is connected with the negative pole of amplifier p5, one end is connected with the emitter stage of audion vt3, another
The resistance r20 of end ground connection, one end is connected with the positive pole of electric capacity c7, other end output with amplifier p5 after potentiometer r19
Hold resistance r18, the diode d8 that p pole is connected, n pole is connected with the negative pole of electric capacity c7 being connected with the positive pole of electric capacity c7,
And positive pole is connected with the outfan of amplifier p5, the electric capacity c8 of minus earth forms；The positive pole of described amplifier p5 and electricity
Position device r19 control end be connected, its negative pole is connected with the colelctor electrode of audion vt3, its outfan then with amplifying circuit phase
Connect.
By audion vt1, n pole is connected described power circuit with the base stage of audion vt1, the sending out of p pole and audion vt1
The Zener diode d1 that emitter-base bandgap grading is connected, the resistance r2 being in parallel with Zener diode d1, and the base of one end and audion vt1
Pole is connected, the emitter stage of the other end and audion vt1 is collectively forming the resistance r1 composition of power output end；Described audion
The colelctor electrode of vt1 is connected with temperature collection circuit.
Described temperature collection circuit by audion vt2, one end is connected with the emitter stage of audion vt2 after resistance r8,
The resistance r5 that the other end is sequentially connected with the colelctor electrode of audion vt2 after resistance r7 through resistance r6, p pole and audion vt1
Colelctor electrode be connected, diode d3 that n pole is connected with the junction point of resistance r7 and resistance r6, the p of positive pole and diode d3
The base stage of the electric capacity c1 that pole is connected, negative pole is connected with the base stage of audion vt2 after potentiometer r4, n pole and audion vt2
The Zener diode d2 that while being connected, ground connection, p pole are connected with the positive pole of electric capacity c1 after resistance r3, and one end and three
The resistance r9 group that the colelctor electrode of pole pipe vt2 is connected, the other end is connected with the base stage of audion vt2 after temperature sensor b
Become；Described resistance r8 is connected with the base stage of audion vt2 with the junction point of resistance r9, the connection of described resistance r5 and resistance r6
Point is connected with the negative pole of amplifier p1 and the control end of potentiometer r4 respectively, the colelctor electrode of described audion vt2 and electric capacity c2
Positive pole be connected.
By amplifier p2, amplifier p3, one end is connected described amplifying circuit with the positive pole of amplifier p2, other end ground connection
Resistance r12, be serially connected in the resistance r13 between the positive pole of amplifier p2 and outfan, p pole is connected with the outfan of amplifier p5
Connect, diode d6 that n pole is connected with the negative pole of amplifier p2, positive pole is connected with the outfan of amplifier p5, negative pole with put
The electric capacity c4 that the negative pole of big device p3 is connected, is serially connected in the resistance r14 between the positive pole of amplifier p3 and outfan, is serially connected in and puts
Resistance r15 between the outfan of big device p2 and the outfan of amplifier p3, and positive pole is connected with the outfan of amplifier p3
Connect, negative pole forms as the electric capacity c5 of outfan.
Described audion vt2 is 3cg14 type audion.
The present invention compared with the prior art, has advantages below and a beneficial effect:
(1) present invention can filter to the interference noise in detection signal, thus exclusive PCR effect of noise, carries
The temperature monitoring precision of the high present invention, makes staff can preferably water temperature be controlled, so that water temperature is maintained optimal
Temperature, thus improve the extraction ratio of collagen protein of fish skin.
(2) present invention can be processed to detection signal, reduces the non-linear distortion of signal, thus improve the present invention
Water temperature detection precision.
Brief description
Fig. 1 is the overall structure figure of the present invention.
Fig. 2 is the structure chart of the linear regulating circuit of the present invention.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in figure 1, Hydrolyze method of the present invention extracts collagen protein of fish skin High Linear temperature monitoring system, mainly by amplifying
Device p1, electric capacity c2, positive pole is connected with the positive pole of amplifier p1, negative pole is connected with the outfan of amplifier p1 electric capacity c3, n
The diode d4 that pole is connected with the positive pole of amplifier p1, p pole is grounded after resistance r11, the negative pole phase of one end and amplifier p1
Connection, the resistance r10 of other end ground connection, n pole is connected with the positive pole of amplifier p1, negative pole is connected with the negative pole of amplifier p1
Diode d5, the temperature collection circuit being connected with the positive pole of electric capacity c2 and the negative pole of amplifier p1 respectively, with temperature acquisition
The power circuit that circuit is connected, and the linear regulating circuit being connected with the outfan of amplifier p1, with linear regulation electricity
The amplifying circuit composition that road is connected；The negative pole of described electric capacity c2 is connected with the negative pole of amplifier p1.
This amplifier p1, electric capacity c3, diode d4, diode d5 and electric capacity c2 form a low-pass filter circuit, should
Low-pass filter circuit can filter to the interfering noise signal in the detection signal of temperature collection circuit output, thus improving
The cleannes of detection signal, due to eliminating the impact of interfering noise signal, greatly improve the water temperature detection essence of the present invention
Degree.This amplifier p1 adopts lm102 type amplifier, and the capacitance of electric capacity c2 and electric capacity c3 is 100 μ f, resistance r11 and resistance r10
Resistance be 10k ω, diode d4 and diode d5 and be 1n4001 type diode.
Described power circuit can provide constant electric current, and it is by audion vt1, resistance r1, resistance r2 and voltage stabilizing two
Pole pipe d1 forms.
The n pole of this Zener diode d1 is connected with the base stage of audion vt1, and p pole is connected with the emitter stage of audion vt1
Connect.Resistance r2 is in parallel with Zener diode d1.One end of resistance r1 is connected with the base stage of audion vt1, the other end and three
The emitter stage of pole pipe vt1 is collectively forming power output end.The colelctor electrode of described audion vt1 is connected with temperature collection circuit.
This audion vt1 is 9013 type audions, and the resistance of resistance r1 is 2k ω, and the resistance of resistance r2 is 10k ω, two poles
Pipe d1 is 1n4728 type diode.
This temperature collection circuit can export corresponding voltage signal to low-pass filter circuit according to the water temperature collecting, its
By audion vt2, resistance r3, potentiometer r4, resistance r5, resistance r6, resistance r7, resistance r8, resistance r9, electric capacity c1, temperature passes
Sensor b, Zener diode d2 and diode d3 form.
During connection, one end of resistance r5 is connected with the emitter stage of audion vt2 after resistance r8, and the other end is sequentially through electricity
Resistance r6 is connected with the colelctor electrode of audion vt2 with after resistance r7.The p pole of diode d3 is connected with the colelctor electrode of audion vt1
Connect, n pole is connected with the junction point of resistance r7 and resistance r6.The positive pole of electric capacity c1 is connected with the p pole of diode d3, negative pole warp
It is connected with the base stage of audion vt2 after potentiometer r4.The n pole of Zener diode d2 is connected with the base stage of audion vt2
It is grounded, p pole is connected with the positive pole of electric capacity c1 after resistance r3 simultaneously.The colelctor electrode phase of one end of resistance r9 and audion vt2
Connect, the other end is connected with the base stage of audion vt2 after temperature sensor b.The junction point of described resistance r8 and resistance r9
It is connected with the base stage of audion vt2, junction point negative pole and the current potential with amplifier p1 respectively of described resistance r5 and resistance r6
The control end of device r4 is connected, and the colelctor electrode of described audion vt2 is connected with the positive pole of electric capacity c2.
This temperature sensor b is used for gathering water temperature, and it need to be arranged in water, and it is limited that it reaches refrigeration plant using Foshan City's illuminate
The sen01959 type cooling-water temperature sensor that company produces.This audion vt2, resistance r5, resistance r6, resistance r7, resistance r8 and electricity
Resistance r9 collectively constitutes a bridge circuit, and this bridge circuit is used for being converted into the resistance change rate in temperature sensor accordingly
Voltage output.The maximum value of this potentiometer r4 is 100k ω, and the resistance of resistance r3 is 2k ω, resistance r5, resistance r6, resistance r7
And the resistance of resistance r8 is 2.2k ω, the resistance of resistance r9 is then 650 ω, model 1n4728 of Zener diode d2,
Model 1n4001 of diode d3, the capacitance of electric capacity c1 is 2.5 μ f.Described audion vt2 is 3cg14 type audion.
In addition, this amplifying circuit is by amplifier p2, amplifier p3, resistance r12, resistance r13, resistance r14, resistance r15, electricity
Hold c4, electric capacity c5 and diode d6 composition.
One end of this resistance r12 is connected with the positive pole of amplifier p2, and the other end is grounded.Resistance r13 is serially connected in amplifier
Between the positive pole of p2 and outfan.The p pole of diode d6 is connected with linear regulating circuit, the negative pole phase of n pole and amplifier p2
Connect.The positive pole of electric capacity c4 is connected with linear regulating circuit, and negative pole is connected with the negative pole of amplifier p3.Resistance r14 concatenates
Between the positive pole and outfan of amplifier p3.Resistance r15 is serially connected in the outfan of amplifier p2 and the outfan of amplifier p3
Between.The positive pole of electric capacity c5 is connected with the outfan of amplifier p3, and negative pole as outfan and connects the signal input of display
End.
Amplifier p2, amplifier p3, resistance r13, resistance r14 and resistance r15 constitute a feedback amplifier, this feedback
Amplifier can be amplified to the voltage signal of low-pass filter circuit output, and resistance r13 and resistance r14 is feedback resistance,
This resistance r13 and resistance r14 can greatly improve the performance of amplifier.Wherein, the model of amplifier p2 and amplifier p3 is equal
For op07, the resistance of resistance r13 and resistance r14 is 3k ω, and the resistance of resistance r12 and resistance r15 is 5k ω, diode d6
For 1n4001 diode, the capacitance of electric capacity c4 and electric capacity c5 is 1 μ f.
This linear regulating circuit can be processed to the detection signal of amplifier p1 output, reduces the non-mistake of detection signal
True degree, the detection signal after linear regulating circuit is processed is transferred to amplifying circuit, as shown in Fig. 2 it, by amplifier p4, is put
Big device p5, audion vt3, resistance r16, resistance r17, resistance r18, potentiometer r19, resistance r20, electric capacity c6, electric capacity c7, electric capacity
C8, diode d7 and diode d8 form.
During connection, the negative pole of electric capacity c6 is connected with the positive pole of amplifier p4, and positive pole is connected with the outfan of amplifier p1
Connect.One end of resistance r16 is connected with the positive pole of amplifier p4, and the other end is grounded.The positive pole of electric capacity c7 is negative with amplifier p4's
Pole is connected, and negative pole is connected with the outfan of amplifier p4.Resistance r17 is serially connected in the negative pole of electric capacity c7 and audion vt3's
Between base stage.The p pole of diode d7 is connected with the outfan of amplifier p4, and n pole is connected with the negative pole of amplifier p5.Resistance
One end of r20 is connected with the emitter stage of audion vt3, and the other end is grounded.One end of resistance r18 is connected with the positive pole of electric capacity c7
Connect, the other end is connected with the outfan of amplifier p5 after potentiometer r19.The p pole of diode d8 and the positive pole phase of electric capacity c7
Connect, n pole is connected with the negative pole of electric capacity c7.The positive pole of electric capacity c8 is connected with the outfan of amplifier p5, minus earth.Institute
The positive pole stating amplifier p5 is connected with the control end of potentiometer r19, and its negative pole is connected with the colelctor electrode of audion vt3, its
Outfan is then connected with the positive pole of electric capacity c4 and the p pole of diode d6 respectively.
Wherein, amplifier p5, audion vt3 and electric capacity c8 form follower, and detection signal is from the positive pole of amplifier p4
Input, and it is transferred to follower.This potentiometer r19, resistance r18, diode d8 and electric capacity c7 then form a negative feedback and return
Road, this diode d8 can be non-linear with Compensation Feedback level movement, regulator potentiometer r19 then can to amplifier p4 just,
The gain inequality of negative pole input compensates, and so then can reduce the non-linear distortion of detection signal, such that it is able to improve this
The bright precision to water temperature detection.This amplifier p4 and amplifier p5 is op07 type amplifier, and audion vt3 is then 3dg6 type three
Pole pipe, diode d8 and diode d7 are 1n4002 type diode, and the capacitance of electric capacity c6, electric capacity c7 and electric capacity c8 is 2 μ
F, the resistance of resistance r16, resistance r17 and resistance r20 is 4.7k ω, and the resistance of resistance r18 is 10k ω, potentiometer r19's
Maximum value is 1k ω.
The present invention can filter to the interference noise in detection signal, thus exclusive PCR effect of noise, and
Can reduce the non-distorted degree of detection signal, improve the temperature monitoring precision of the present invention, make the staff can be preferably to water
Temperature is controlled, and makes water temperature maintain optimal temperature, thus improving the extraction ratio of collagen protein of fish skin.
As described above, the present invention just can be realized well.
Claims (6)
1. Hydrolyze method extract collagen protein of fish skin with High Linear temperature monitoring system it is characterised in that main by amplifier p1, electricity
Hold c2, the electric capacity c3 that positive pole is connected with the positive pole of amplifier p1, negative pole is connected with the outfan of amplifier p1, n pole with put
The diode d4 that the positive pole of big device p1 is connected, p pole is grounded after resistance r11, one end is connected with the negative pole of amplifier p1, separately
The resistance r10 of one end ground connection, two poles that n pole is connected with the positive pole of amplifier p1, negative pole is connected with the negative pole of amplifier p1
Pipe d5, the temperature collection circuit being connected with the positive pole of electric capacity c2 and the negative pole of amplifier p1 respectively, with temperature collection circuit phase
The power circuit connecting, and the linear regulating circuit being connected with the outfan of amplifier p1, are connected with linear regulating circuit
The amplifying circuit composition connecing；The negative pole of described electric capacity c2 is connected with the negative pole of amplifier p1.
2. Hydrolyze method according to claim 1 extracts collagen protein of fish skin High Linear temperature monitoring system, and its feature exists
In, described linear regulating circuit by amplifier p4, amplifier p5, audion vt3, negative pole is connected with the positive pole of amplifier p4,
The electric capacity c6 that positive pole is connected with the outfan of amplifier p1, one end is connected with the positive pole of amplifier p4, the other end is grounded
Resistance r16, the electric capacity c7 that positive pole is connected with the negative pole of amplifier p4, negative pole is connected with the outfan of amplifier p4, concatenation
Resistance r17 between the negative pole of electric capacity c7 and the base stage of audion vt3, p pole is connected with the outfan of amplifier p4, n pole
The diode d7 being connected with the negative pole of amplifier p5, one end is connected with the emitter stage of audion vt3, the electricity of other end ground connection
Resistance r20, one end is connected with the positive pole of electric capacity c7, the other end is connected with the outfan of amplifier p5 after potentiometer r19
The diode d8 that resistance r18, p pole is connected with the positive pole of electric capacity c7, n pole is connected with the negative pole of electric capacity c7, and positive pole with
The outfan of amplifier p5 is connected, the electric capacity c8 of minus earth composition；The positive pole of described amplifier p5 and the control of potentiometer r19
End processed is connected, its negative pole is connected with the colelctor electrode of audion vt3, its outfan is then connected with amplifying circuit.
3. Hydrolyze method according to claim 2 extracts collagen protein of fish skin High Linear temperature monitoring system, and its feature exists
In, described power circuit by audion vt1, n pole is connected with the base stage of audion vt1, the emitter stage of p pole and audion vt1
The Zener diode d1 being connected, the resistance r2 being in parallel with Zener diode d1, and the base stage phase of one end and audion vt1
The emitter stage of connection, the other end and audion vt1 is collectively forming the resistance r1 composition of power output end；Described audion vt1's
Colelctor electrode is connected with temperature collection circuit.
4. Hydrolyze method according to claim 3 extracts collagen protein of fish skin High Linear temperature monitoring system, and its feature exists
In by audion vt2, one end is connected after resistance r8 described temperature collection circuit with the emitter stage of audion vt2, the other end
The current collection of the resistance r5 being sequentially connected with the colelctor electrode of audion vt2 after resistance r7 through resistance r6, p pole and audion vt1
The diode d3 that pole is connected, n pole is connected with the junction point of resistance r7 and resistance r6, positive pole is extremely connected with the p of diode d3
Connect, electric capacity c1 that negative pole is connected with the base stage of audion vt2 after potentiometer r4, n pole is connected with the base stage of audion vt2
While ground connection, the Zener diode d2 that is connected with the positive pole of electric capacity c1 after resistance r3 of p pole, and one end and audion
The resistance r9 composition that the colelctor electrode of vt2 is connected, the other end is connected with the base stage of audion vt2 after temperature sensor b；Institute
State resistance r8 to be connected with the base stage of audion vt2 with the junction point of resistance r9, the junction point of described resistance r5 and resistance r6 divides
It is not connected with the negative pole of amplifier p1 and the control end of potentiometer r4, the colelctor electrode of described audion vt2 is with electric capacity c2 just
Pole is connected.
5. Hydrolyze method according to claim 4 extracts collagen protein of fish skin High Linear temperature monitoring system, and its feature exists
In by amplifier p2, amplifier p3, one end is connected described amplifying circuit with the positive pole of amplifier p2, the electricity of other end ground connection
Resistance r12, is serially connected in the resistance r13 between the positive pole of amplifier p2 and outfan, p pole is connected with the outfan of amplifier p5, n
The diode d6 that pole is connected with the negative pole of amplifier p2, positive pole is connected with the outfan of amplifier p5, negative pole and amplifier
The electric capacity c4 that the negative pole of p3 is connected, is serially connected in the resistance r14 between the positive pole of amplifier p3 and outfan, is serially connected in amplifier
Resistance r15 between the outfan of the outfan of p2 and amplifier p3, and positive pole be connected with the outfan of amplifier p3, negative
Pole forms as the electric capacity c5 of outfan.
6. Hydrolyze method according to claim 5 extracts collagen protein of fish skin High Linear temperature monitoring system, and its feature exists
In described audion vt2 is 3cg14 type audion.
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| CN201610823309.XA CN106366181A (en) | 2016-09-14 | 2016-09-14 | High-linearity temperature monitoring system for hydrolysis extraction of fishskin collagen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610823309.XA CN106366181A (en) | 2016-09-14 | 2016-09-14 | High-linearity temperature monitoring system for hydrolysis extraction of fishskin collagen |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0560548B1 (en) * | 1992-03-11 | 1997-05-14 | Sony Corporation | Power control circuit |
| CN103017217A (en) * | 2012-12-21 | 2013-04-03 | 敦泰科技有限公司 | Micro-wave oven control method, control equipment and micro-wave oven |
| CN103342748A (en) * | 2013-07-26 | 2013-10-09 | 中国人民解放军第三军医大学第一附属医院 | Special extraction device for main ingredient collagen II of natural cartilage matrix |
| CN105061587A (en) * | 2015-08-26 | 2015-11-18 | 华南理工大学 | Ultrasonic wave aided extraction method suitable for high-viscosity collagen |
-
2016
- 2016-09-14 CN CN201610823309.XA patent/CN106366181A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0560548B1 (en) * | 1992-03-11 | 1997-05-14 | Sony Corporation | Power control circuit |
| CN103017217A (en) * | 2012-12-21 | 2013-04-03 | 敦泰科技有限公司 | Micro-wave oven control method, control equipment and micro-wave oven |
| CN103342748A (en) * | 2013-07-26 | 2013-10-09 | 中国人民解放军第三军医大学第一附属医院 | Special extraction device for main ingredient collagen II of natural cartilage matrix |
| CN105061587A (en) * | 2015-08-26 | 2015-11-18 | 华南理工大学 | Ultrasonic wave aided extraction method suitable for high-viscosity collagen |
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| C06 | Publication | ||
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Application publication date: 20170201 |