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Nucleic acid dilemma: 3 institutions were filed in 10 days, and false negatives and false positives appeared frequently. Why did it become a high-risk industry?
Time of Update: 2022-08-10
” Guo Yanhong, Inspector of the Medical Administration and Hospital Administration, introduced at the press conference of the Joint Prevention and Control Mechanism of the State Council on the 23rd, "Although the specificity of our nucleic acid test is 100%, in actual work, the laboratory may cause problems due to the test process and operation.
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Importance of pharmaceutical packaging materials and standardization of testing
Time of Update: 2022-06-21
Commonly used pharmaceutical packaging materials are paper products, plastics, glass, metal, wood, review materials, rubber products, etc.
*Guidelines for the study of self-stability of plastic and rubber pharmaceutical packaging materials .
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What impact will the medical device classification catalogue in 2022 have on medical device companies?
Time of Update: 2022-06-20
It is worth noting: Medical dressings, medical cold compresses, also known as facial cold compresses, according to the old "Medical Device Classification Catalog", these products are managed as first-class medical devices .
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Talking about 9 forms of heat shrinkable film packaging
Time of Update: 2022-06-20
4. Stretch film machine packaging This is a common general mechanical packaging method.
The stretching methods of pallet mechanical packaging include direct stretching and pre-stretching .
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What are the basic working principles of automatic powder filling machine
Time of Update: 2022-06-20
Due to the needs of the production of automatic powder filling machines, the use of automatic powder filling machines is increasing.
And the proficiency of use directly affects our work efficiency, the following editor will take you to understand the working principle of the automatic filling machine!
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Daily maintenance of Shanghai Shenggang automatic filling machine
Time of Update: 2022-06-20
Shanghai Shenggang Machinery is mainly engaged in the production and sales of powder filling machines, liquid, paste, labeling machines, sealing machines, sleeve labeling machines, etc. The maintena
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Description of heat transfer reaction of small liquid cycle refrigeration and heating device
Time of Update: 2022-06-20
The small liquid circulation refrigeration heating device selects the reactor temperature control system through the cooling coil, which is equipped with cooling inlet and outlet, cooling water, refrigerant and external circulating coolant .
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The impact of clean air fume hoods on the laboratory!
Time of Update: 2022-06-20
In addition to the correct design, the use effect of the laboratory air-purifying fume hood is also closely related to the rational use and maintenance.
The backing plate should not be stored and opened for a long time, so as not to affect the use of the clean air fume hood .
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What are the advantages of po and pe film comparison
Time of Update: 2022-06-20
The transmittance of the pe film is basically about 80%, which greatly improves the heating rate of the greenhouse
Po film uses a large number of imported metallocenes, which greatly improves the tensile strength of the Po film itself, which can withstand severe weather such as stronger snowstorms .
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The working principle of Shanghai Shenggang automatic self-adhesive labeling machine
Time of Update: 2022-06-20
At the beginning of the working process of Shanghai Shenggang automatic self-adhesive labeling machine, the box is fed to the labeling machine at a constant speed on the conveyor belt .
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How to troubleshoot the problems of the integrated medicine refrigeration and heating cycle machine
Time of Update: 2022-06-20
First check the low-temperature stage compressors of the two sets of refrigeration units.
If the temperature of the exhaust pipe is not high, and the temperature of the suction pipe is not low, it also shows that the refrigerant of the main unit is lacking .
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Operating Instructions of Explosion-Proof Refrigeration Heating Cycle Integrated Machine
Time of Update: 2022-06-20
So when users operate the explosion-proof refrigeration and heating cycle integrated machine, they need to avoid some misunderstandings as much as possible, so as not to cause the equipment to be inoperable .
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How to do the daily maintenance of the integrated pharmaceutical refrigeration and heating cycle machine
Time of Update: 2022-06-20
3. Due to different working environments, a large amount of dust and other small particles will accumulate on the circulating fan blades and the condenser fan, which should be cleaned regularly .
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Application of PVDC from the Development Trend of Pharmaceutical Packaging
Time of Update: 2022-06-20
Among the many polymer pharmaceutical packaging materials, only PVDC has high barrier properties to both water vapor and oxygen, and has been widely used in pharmaceutical packaging .
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Failure Analysis of Chemical Refrigeration and Heating Cycle Integrated Machine
Time of Update: 2022-06-20
The chemical refrigeration and heating cycle integrated machine adopts a fully closed pipeline design and a plate heat exchanger, which reduces the demand for heat transfer fluid and improves the heat utilization rate of the system to achieve rapid temperature rise and fall .
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The significance of the existence of instruments for measuring soil temperature
Time of Update: 2022-06-20
There are many factors that affect the growth of crop roots, and soil temperature is one of them .
First, let's talk about the relationship between soil temperature and crop root growth, and the relationship between root metabolism .
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VAC-V2 Differential Pressure Gas Permeameter to Detect Carbon Dioxide Permeability of Plastic Composite Membranes
Time of Update: 2022-06-20
By introducing the test principle, test process, equipment parameters and scope of application, it can provide a reference for enterprises to monitor the carbon dioxide barrier performance of flexible plastic packaging .
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How to deal with the compressor failure of the pharmaceutical high and low temperature cooling and heating cycle machine
Time of Update: 2022-06-19
1. Shutdown caused by sudden power failure: During the operation of the refrigeration compressor, if there is a sudden power failure, first disconnect the main power switch, immediately close the suction valve and discharge valve of the compressor, and then close the liquid supply gate valve to stop supplying liquid to the air conditioner evaporator.
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Now the discussion of the new version of GMP is getting deeper and deeper, and Hujing understands the requirements and regulations of the new version
Time of Update: 2022-06-19
2. Test content The test of the negative pressure weighing hood should usually pay attention to parameters such as efficient on-site leak detection, airflow pattern, wind speed and uniformity, ratio of exhaust air volume, illumination, temperature, noise, cleanliness and so on .
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Preparations for the use of the reactor high and low temperature cold and heat cycle machine
Time of Update: 2022-06-19
The reactor high and low temperature cold and heat cycle machine is to guide the heat medium to circulate in a closed circulation system to heat or cool the required objects.
