CN107519964A - A kind of glass resolution test tube for monitoring temperature change - Google Patents

A kind of glass resolution test tube for monitoring temperature change Download PDF

Info

Publication number
CN107519964A
CN107519964A CN201710977194.4A CN201710977194A CN107519964A CN 107519964 A CN107519964 A CN 107519964A CN 201710977194 A CN201710977194 A CN 201710977194A CN 107519964 A CN107519964 A CN 107519964A
Authority
CN
China
Prior art keywords
glass
parts
test tube
slide glass
temperature change
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
Application number
CN201710977194.4A
Other languages
Chinese (zh)
Other versions
CN107519964B (en
Inventor
傅强
漆庆
余慧萍
熊陵岗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang's West Science And Technology Co Ltd
Original Assignee
Zhejiang's West Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang's West Science And Technology Co Ltd filed Critical Zhejiang's West Science And Technology Co Ltd
Priority to CN201710977194.4A priority Critical patent/CN107519964B/en
Publication of CN107519964A publication Critical patent/CN107519964A/en
Application granted granted Critical
Publication of CN107519964B publication Critical patent/CN107519964B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/22Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L27/24Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment halogenated
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44Sample treatment involving radiation, e.g. heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00Additional constructional details
    • B01L2300/02Identification, exchange or storage of information
    • B01L2300/021Identification, e.g. bar codes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00Additional constructional details
    • B01L2300/12Specific details about materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Clinical Laboratory Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The present invention relates to a kind of glass for monitoring temperature change to clear up test tube.Including teat glass, test tube cap, test tube cap and teat glass are connected through a screw thread, in addition to irreversible thermochromatic material elastic metallic slide glass, reversible thermochromic elastic properties of materials metal slide glass.The irreversible thermochromatic material elastic metallic slide glass is above reversible thermochromic elastic properties of materials metal slide glass, it is horizontally mounted in teat glass inner upper, the reversible thermochromic material is placed on the reversible thermochromic elastic properties of materials metal slide glass, and the irreversible thermochromatic material is placed on the irreversible thermochromatic material elastic metallic slide glass.

Description

A kind of glass resolution test tube for monitoring temperature change
Technical field
The present invention relates to a kind of preparation method of glass resolution test tube, especially a kind of glass for monitoring temperature change disappears Solve the preparation method of test tube.
Background technology
In general contained complicated components in environmental water sample, and most pollution components contents are low, and existing forms are different, institute Before analysis determines, to generally require to be handled.The purpose of resolution processing is to destroy organic matter, dissolves suspended solid, will Element oxide Cheng Dan-high-valence state to be surveyed of various valence states is transformed into the inorganic compound being easily isolated.
, it is necessary to be cleared up to water sample when determining chemical oxygen consumption (COC), digestion condition is 165 DEG C or 150 DEG C, after resolution terminates Reaction cools to less than 50 DEG C, can carry out color check.
CN105675382A discloses a kind of resolution colorimetric cylinder and resolution colorimetric system, wherein resolution colorimetric cylinder includes:The One body and the second body and the 3rd body positioned at the first body both ends.The internal diameter of second body and the 3rd body is less than first The internal diameter of body.Multiple fixed columns are provided with first body.Multiple fixed columns are alternately disposed at along the first body bearing of trend On the relative both sides of first body.Multiple the first locating convex block and the second locating convex block are provided with second body.First is fixed Position projection along the second body bearing of trend be disposed on the second body-side.Second locating convex block is arranged at intervals at and first Another-side of the second relative body of locating convex block.
CN the present invention relates to a kind of digestion instrument, including:First processing unit;It includes:Pretreatment unit, including:Two Individual axial support, horizontal support, the first transverse slider, the second transverse slider, the first driver, two longitudinal carriers and second Driver;The centrally disposed controller both sides of two longitudinal carriers;Two axial supports are arranged on longitudinal carrier;Laterally branch The both ends of frame are fixed in two axial supports;The chute of closing is set in horizontal support, and first transverse slider is slided In the dynamic chute being arranged on inside the horizontal support;First transverse slider is fixed with the first magnet piece;Described second Transverse slider, the movable outside for being arranged on the horizontal support;Second transverse slider is fixed with the second magnet piece.
, it is necessary to be cleared up to water sample when determining chemical oxygen consumption (COC), digestion condition is 165 DEG C or 150 DEG C, after resolution terminates Reaction cools to less than 50 DEG C, can carry out color check.Existing digestion tube or digestion instrument need auxiliary instrumentation to survey mostly Constant temperature degree, and as standard.
The content of the invention
The purpose of the present invention is:A kind of glass resolution test tube for monitoring temperature change is provided, it is characterised in that:
A kind of glass resolution test tube for monitoring temperature change, including teat glass, test tube cap, test tube cap and teat glass pass through Threaded connection, in addition to irreversible thermochromatic material elastic metallic slide glass, reversible thermochromic elastic properties of materials metal slide glass.It is described not Reversible thermochromic elastic properties of materials metal slide glass is horizontally mounted in teat glass above reversible thermochromic elastic properties of materials metal slide glass Inner upper, the reversible thermochromic material is placed on the reversible thermochromic elastic properties of materials metal slide glass, described irreversible Thermochromatic material is placed on the irreversible thermochromatic material elastic metallic slide glass.
Described reversible color material, its is composed of the following components:By weight, 100 parts of chliorinated polyvinyl chloride, it is reversible Heat discoloration powder 2-4 parts, 2,8- di-tert-butyl-4-methy phenol 0.5-2 parts, three (1,2,2,6,6- pentamethvl alcohol) phosphorous Acid esters 0.01-0.1 parts, Glutathione Sepharose 1-4 parts, optical resin gum, 0.2-1 parts, silicon powder 10-20 parts.
Described is irreversibly changed material, and its is composed of the following components:By weight, 100 parts of chliorinated polyvinyl chloride, no Reversible temperature-sensitive color-change powder 1-3 parts, 2,8- di-tert-butyl-4-methy phenol 0.5-2 parts, three (1,2,2,6,6- pentamethvl alcohol) Phosphite ester 0.01-0.1 parts, benzamidine sepharose gel 2-4 parts, optical resin gum, 0.2-1 parts, silicon powder 5-10 parts.
Described reversible color material and material is irreversibly changed, its preparation process is to add mixture under air-proof condition Heat stirs 0.5-1.5h to melting, with 150-300rpm rotating speed, extrusion molding, obtains that digestion tube metal slide glass can be fixed on On off-color material.
Described reversible temperature-sensitive color-change powder is thermal discoloration type.
Described irreversible heat discoloration powder is hot color development type.
Described chliorinated polyvinyl chloride, reversible temperature-sensitive color-change powder, 2,8- di-tert-butyl-4-methy phenols, three (1,2,2,6, 6- pentamethvls alcohol) phosphite ester, Glutathione Sepharose, silicon powder, irreversible heat discoloration powder, benzenecarboximidamide agar Sugared gel is commercially available prod.
The product of the present invention has the advantages that:
The digestion tube product that the present invention is produced, can control whether to be cooled to qualified temperature by the color of reversible color material, Maximum temperature is controlled by the color for being irreversibly changed material, eliminates auxiliary instrumentation.The heat-conductive characteristic of off-color material is strong, right It is sensitive in temperature change, at the same it is not oxidizable mix color, be easy to observe, monitoring digestion process that can be good meets specification.
Embodiment
Following instance be only into-walk explanation the present invention, be not limitation the scope of protection of the invention.
Embodiment 1
A kind of glass resolution test tube for monitoring temperature change, including teat glass, test tube cap, test tube cap and teat glass pass through Threaded connection, in addition to irreversible thermochromatic material elastic metallic slide glass, reversible thermochromic elastic properties of materials metal slide glass.It is described not Reversible thermochromic elastic properties of materials metal slide glass is horizontally mounted in teat glass above reversible thermochromic elastic properties of materials metal slide glass Inner upper, the reversible thermochromic material is placed on the reversible thermochromic elastic properties of materials metal slide glass, described irreversible Thermochromatic material is placed on the irreversible thermochromatic material elastic metallic slide glass.
Described reversible color material, its is composed of the following components:Chliorinated polyvinyl chloride 100g, reversible temperature-sensitive color-change powder 3g, 2,8- di-tert-butyl-4-methy phenol 1g, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.06g, glutathione Ago-Gel 2.5g, optical resin gum 0.6g, silicon powder 15g.
Described is irreversibly changed material, and its is composed of the following components:Chliorinated polyvinyl chloride 100g, irreversible heat discoloration Powder 2g, 2,8- di-tert-butyl-4-methy phenol 1g, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.06g, benzenecarboximidamide Ago-Gel 3g, optical resin gum 0.6g, silicon powder 7.5g.
Described reversible color material and material is irreversibly changed, its preparation process is to add mixture under air-proof condition Heat stirs 1h to melting, with 225rpm rotating speed, extrusion molding, obtains the discoloration material that can be fixed on digestion tube metal slide glass Material.
Embodiment 2
A kind of glass resolution test tube for monitoring temperature change, including teat glass, test tube cap, test tube cap and teat glass pass through Threaded connection, in addition to irreversible thermochromatic material elastic metallic slide glass, reversible thermochromic elastic properties of materials metal slide glass.It is described not Reversible thermochromic elastic properties of materials metal slide glass is horizontally mounted in teat glass above reversible thermochromic elastic properties of materials metal slide glass Inner upper, the reversible thermochromic material is placed on the reversible thermochromic elastic properties of materials metal slide glass, described irreversible Thermochromatic material is placed on the irreversible thermochromatic material elastic metallic slide glass.
Described reversible color material, its is composed of the following components:Chliorinated polyvinyl chloride 100g, reversible temperature-sensitive color-change powder 2g, 2,8- di-tert-butyl-4-methy phenol 0.5g, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.01g, gluathione Peptide Ago-Gel 1g, optical resin gum 0.2g, silicon powder 10g.
Described is irreversibly changed material, and its is composed of the following components:Chliorinated polyvinyl chloride 100g, irreversible heat discoloration Powder 1g, 2,8- di-tert-butyl-4-methy phenol 0.5g, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.01g, benzene first Amidine Ago-Gel 2g, optical resin gum 0.2g, silicon powder 5g.
Described reversible color material and material is irreversibly changed, its preparation process is to add mixture under air-proof condition Heat stirs 0.5h to melting, with 150rpm rotating speed, extrusion molding, obtains the discoloration that can be fixed on digestion tube metal slide glass Material.
Embodiment 3
A kind of glass resolution test tube for monitoring temperature change, including teat glass, test tube cap, test tube cap and teat glass pass through Threaded connection, in addition to irreversible thermochromatic material elastic metallic slide glass, reversible thermochromic elastic properties of materials metal slide glass.It is described not Reversible thermochromic elastic properties of materials metal slide glass is horizontally mounted in teat glass above reversible thermochromic elastic properties of materials metal slide glass Inner upper, the reversible thermochromic material is placed on the reversible thermochromic elastic properties of materials metal slide glass, described irreversible Thermochromatic material is placed on the irreversible thermochromatic material elastic metallic slide glass.
Described reversible color material, its is composed of the following components:Chliorinated polyvinyl chloride 100g, reversible temperature-sensitive color-change powder 4g, 2,8- di-tert-butyl-4-methy phenol 1.5g, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.1g, gluathione Peptide Ago-Gel 4g, optical resin gum 1g, silicon powder 20g.
Described is irreversibly changed material, and its is composed of the following components:Chliorinated polyvinyl chloride 100g, irreversible heat discoloration Powder 3g, 2,8- di-tert-butyl-4-methy phenol 2g, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.1g, benzenecarboximidamide Ago-Gel 4g, optical resin gum 1g, silicon powder 10g.
Described reversible color material and material is irreversibly changed, its preparation process is to add mixture under air-proof condition Heat stirs 1.5h to melting, with 300rpm rotating speed, extrusion molding, obtains the discoloration that can be fixed on digestion tube metal slide glass Material.
Comparative example 1
Three (1,2,2,6,6- pentamethvl alcohol) phosphite esters are added without, other conditions are the same as embodiment 1.
Comparative example 2
Silicon powder is added without, other conditions are the same as embodiment 1.
Comparative example 3
Optical resin gum is added without, other conditions are the same as embodiment 1.
Comparative example 4
2,8- di-tert-butyl-4-methy phenols are added without, other conditions are the same as embodiment 1.
Comparative example 5
Benzamidine sepharose gel is added without, Glutathione Sepharose, other conditions are the same as embodiment 1.
Embodiment 4
Product is produced using embodiment 1-3 and comparative example 1-3 clear up, and discoloring temperature and thermometer are shown respectively Temperature comparisons, its discoloring temperature is examined with setting the error of temperature(Respectively 50 DEG C and 150 DEG C)
Production code member Reversible color material temperature error(±℃) It is irreversibly changed material temperature error(±℃)
Embodiment 1 1.4 1.4
Embodiment 2 1.5 1.5
Embodiment 3 1.3 1.4
Comparative example 1 3.4 3.3
Comparative example 2 3.9 3.7
Comparative example 3 3.3 3.1
Comparative example 4 4.2 4.9
Comparative example 5 3.1 4.8

Claims (6)

  1. A kind of 1. glass resolution test tube for monitoring temperature change, it is characterised in that:
    A kind of glass resolution test tube for monitoring temperature change, including teat glass, test tube cap, test tube cap and teat glass pass through Threaded connection, in addition to irreversible thermochromatic material elastic metallic slide glass, reversible thermochromic elastic properties of materials metal slide glass, it is described not Reversible thermochromic elastic properties of materials metal slide glass is horizontally mounted in teat glass above reversible thermochromic elastic properties of materials metal slide glass Inner upper, the reversible thermochromic material is placed on the reversible thermochromic elastic properties of materials metal slide glass, described irreversible Thermochromatic material is placed on the irreversible thermochromatic material elastic metallic slide glass.
  2. A kind of 2. glass resolution test tube for monitoring temperature change according to claim 1, it is characterised in that:Described can Inverse off-color material, its is composed of the following components:By weight, 100 parts of chliorinated polyvinyl chloride, reversible temperature-sensitive color-change powder 2-4 parts, 2,8- di-tert-butyl-4-methy phenol 0.5-2 parts, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.2-1 parts, paddy Guang Sweet peptide Ago-Gel 1-4 parts, optical resin gum, 0.2-1 parts, silicon powder 10-20 parts.
  3. A kind of 3. glass resolution test tube for monitoring temperature change according to claim 1, it is characterised in that:It is described not Reversible color material, its is composed of the following components:By weight, 100 parts of chliorinated polyvinyl chloride, irreversible heat discoloration powder 1- 3 parts, 2,8- di-tert-butyl-4-methy phenol 0.5-2 parts, three (1,2,2,6,6- pentamethvl alcohol) phosphite ester 0.2-1 parts, Benzamidine sepharose gel 2-4 parts, optical resin gum, 0.2-1 parts, silicon powder 5-10 parts.
  4. A kind of 4. glass resolution test tube for monitoring temperature change according to claim 1, it is characterised in that:Described can Against off-color material and material is irreversibly changed, its preparation process is melting to be heated the mixture under air-proof condition, with 150- 300rpm rotating speed stirring 0.5-1.5h, extrusion molding, obtains the off-color material that can be fixed on digestion tube metal slide glass.
  5. A kind of 5. glass resolution test tube for monitoring temperature change according to claim 2, it is characterised in that:Described can Inverse heat discoloration powder is thermal discoloration type.
  6. A kind of 6. glass resolution test tube for monitoring temperature change according to claim 3, it is characterised in that:It is described not Reversible temperature-sensitive color-change powder is hot color development type.
CN201710977194.4A 2017-10-19 2017-10-19 But test tube is cleared up to glass of control temperature variation Active CN107519964B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710977194.4A CN107519964B (en) 2017-10-19 2017-10-19 But test tube is cleared up to glass of control temperature variation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710977194.4A CN107519964B (en) 2017-10-19 2017-10-19 But test tube is cleared up to glass of control temperature variation

Publications (2)

Publication Number Publication Date
CN107519964A true CN107519964A (en) 2017-12-29
CN107519964B CN107519964B (en) 2020-07-03

Family

ID=60684855

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710977194.4A Active CN107519964B (en) 2017-10-19 2017-10-19 But test tube is cleared up to glass of control temperature variation

Country Status (1)

Country Link
CN (1) CN107519964B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203908858U (en) * 2014-06-04 2014-10-29 周焓 High-efficiency environment-friendly sample decomposition tube as well as special plug and cover thereof
CN203899627U (en) * 2014-06-11 2014-10-29 夏六爱 Thermochromic test tube
KR20150055752A (en) * 2013-11-14 2015-05-22 이수정 Test tubes, test tube clamp, tube cap
CN204855971U (en) * 2015-06-02 2015-12-09 浙江海洋学院 Photochromism prevents blue light resin lenses
CN105295322A (en) * 2015-10-28 2016-02-03 合肥学院 Thermosensitive off-color material for FDM and preparation method of thermosensitive off-color material
CN105820532A (en) * 2016-04-18 2016-08-03 昆山初本电子科技有限公司 Thermochromic LED lamp light guide plate formula
CN106280413A (en) * 2016-06-20 2017-01-04 徐州腾飞工程塑料有限公司 A kind of doctor's blueness high temperature resistant and color-changing strengthens PA6 material and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150055752A (en) * 2013-11-14 2015-05-22 이수정 Test tubes, test tube clamp, tube cap
CN203908858U (en) * 2014-06-04 2014-10-29 周焓 High-efficiency environment-friendly sample decomposition tube as well as special plug and cover thereof
CN203899627U (en) * 2014-06-11 2014-10-29 夏六爱 Thermochromic test tube
CN204855971U (en) * 2015-06-02 2015-12-09 浙江海洋学院 Photochromism prevents blue light resin lenses
CN105295322A (en) * 2015-10-28 2016-02-03 合肥学院 Thermosensitive off-color material for FDM and preparation method of thermosensitive off-color material
CN105820532A (en) * 2016-04-18 2016-08-03 昆山初本电子科技有限公司 Thermochromic LED lamp light guide plate formula
CN106280413A (en) * 2016-06-20 2017-01-04 徐州腾飞工程塑料有限公司 A kind of doctor's blueness high temperature resistant and color-changing strengthens PA6 material and preparation method thereof

Also Published As

Publication number Publication date
CN107519964B (en) 2020-07-03

Similar Documents

Publication Publication Date Title
Padalkar et al. Synthesis and antimicrobial activity of novel 2-substituted benzimidazole, benzoxazole and benzothiazole derivatives
Du et al. A gold nanoparticles-assisted multiplex PCR assay for simultaneous detection of Salmonella typhimurium, Listeria monocytogenes and Escherichia coli O157: H7
WO2009009408A3 (en) Devices and methods for the detection of analytes
CN101957334A (en) Low-temperature physical property measuring device of solid material
WO2011120342A1 (en) Vacuum freeze-drying apparatus
CN107519964A (en) A kind of glass resolution test tube for monitoring temperature change
CN106855548A (en) A kind of phosphoric acid safe ground azoles amine Related substance method
CN210603649U (en) Hot-melting type low-temperature measuring device with irreversible color change
CN102854158B (en) A kind of method of Fast Measurement phytase heat resistance
CN113533591B (en) GC analysis method for benzene and paraldehyde in cefprozil
CN203355738U (en) High-low temperature impact test box
CN211234769U (en) Pushing type low-temperature measuring device with irreversible color changing function
Mielniczek-Brzóska Effect of sample volume on the metastable zone width of potassium nitrate aqueous solutions
Li et al. Design of intelligent control system for two-row precise seeding of wheat
Bowen et al. Determination of Gamma-Isomer Content of Benzene Hexachloride
CN206853175U (en) A kind of bulk drug crystallizing tank pharmaceutical preparations temperature detection device
CN211234768U (en) Non-reversible color expansion crack type low-temperature measuring device
CN207831955U (en) A kind of built-in thermocouple monitoring device on vacuum heat treatment furnace
CN108489844B (en) Method for detecting boron in alpha-alumina and alumina product grade discrimination
CN201261785Y (en) Two-phase multi-solid phase blood culture device
Shiba Differential thermal analysis of aluminum soaps
Yang et al. A New Rhodamine B‐based Fluorescent Probe for pH Detection and Bioimaging under Strong Acidic Conditions
CN105315291A (en) Crystals of 6-aryl amino pyridone formamide compound and preparation method for crystals
CN102706382B (en) Incubator
CN207528537U (en) A kind of material cold-heat circulation test device

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
CB03 Change of inventor or designer information

Inventor after: Fu Qiang

Inventor after: Laoqing

Inventor after: Yu Huiping

Inventor after: Xiong Linggang

Inventor before: Fu Qiang

Inventor before: Laoqing

Inventor before: Yu Huiping

Inventor before: Xiong Linggang

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant