multi-tube fermentation method to determine the E. coli groups in water, the purpose requirements 1. Learn the multi-tube fermentation method to determine the number of E. coli groups in water.
For the first time, the new method details the assembly process of the nuclear hole complex!
Time of Update: 2021-01-12
Cells produce a large number of protein complexes, each of which is made up of many individual proteins. protein complexes, such as ucose, regulate almost all life-sustaining biological functions in cells. have succeeded in determining
The research and application of the key technology of fish biological method pickling
Time of Update: 2021-01-05
rapid pickling processing new process system, fourth, focusing on the traditional pickled fish processing hazard factors (nitrites, nitrite compounds, bioamines, lipid excessive oxidation metabolites) identification and residual law, the establishment of fish biological method pickling processing effective control of hazard factors quality safety control system. 。
The process requirements and operating methods of exterior coatings
Time of Update: 2021-01-02
Coatings online experts will introduce you to the external wall paint construction process construction problems and related requirements. 1, exterior paint technology requirements1, the overall construction quality
The Sichuan-Yu cooperation project "Study on nitrite change and the process of fermentation of pickles" bear fruit
Time of Update: 2020-12-28
content was less than 4mg/kg and 4.5mg/kg respectively, well below the limit of 20mg/kg of national food safety standards. is to clarify the industrial production of squeezed vegetables, kimchi Central Asian nitrate production and transformation
The method, process and influence factor of surface change of quartz powder
Time of Update: 2020-12-26
). Then add calcium stingrate (prevent lumps) mixed for a few seconds after sanding, and then crushed, screened, cooled after the product. this method is better, suitable for mass production, but the process control is complex, and requires
The characteristics of the immersion process, the advantages and disadvantages of the immersion method
Time of Update: 2020-12-18
When the work piece is removed from the ends, it does not stay in the paint liquid, and the remaining paint can flow evenly down.
Bacterial Structural Genomics Initiative: Overview of Methods and Technologies Applied to the Process of Structure Determination
Time of Update: 2020-12-15
This chapter describes in some detail the approaches and protocols that have been implemented in the Bacterial Structural Genomics Initiative.
The cause and treatment method of foaming in the process of spraying equipment
Time of Update: 2020-11-16
Below, let's look at the reasons and treatments for foaming in the spraying process of surface coating equipment: 1.
The thickness testing method and standard of powder coating technology process
Time of Update: 2020-11-14
, without the need for the bottom coating, you can get enough thickness of the coating film, easy to achieve automated operation, high production efficiency, can reduce costs. 4, coating dense, adhesion, impact strength and toughness are good
Solid waste method - in the process of production and waste in 2019, enterprise managers must understand the main responsibility
Time of Update: 2020-11-03
to the addition of producer responsibility extension system, waste classification system, etc. , the amendments have also been made to specific penalties, a number of illegal fines increased to 1 million yuan, the cost of enterprise waste production and waste
There are several methods of adhesive coating and application of precision coating process.
Time of Update: 2020-10-09
It can be said that, without a multi-layer high-speed extrusion coating technology, to achieve up to 10 layers and the total thickness of only about 20 m of color film industrial production is unthinkable.
The new process of producing glycolycol by bio-conversion method has been expertly identified.
Time of Update: 2020-10-03
bio-transformation method directly to low-cost renewable raw material crop straw - corn core hydrolytic solution as raw materials, and the use of waste wood glycosaccharine mother liquid, so that the utilization rate of raw materials has been greatly improved.
The fermentation liquid clarification process in single-resistance production.
Time of Update: 2020-09-15
1 Common clarification process for large-scale animal cell fermentation fluids First-level deep filtration, second-level deep filtration, sterilization filtration Centrifuges Are mostly used in the Disk-stack centrifugation industry to remove cells and their fragments.