1 Quinones (QNS) enzyme-linked immunoassay (ELISA) Kit Instruction Manual This kit is for research use only. 1 Purpose of use: This kit is used for quantitative detection of quinolones (QNS) residues in feed, fish, shrimp and meat tissues (eg chicken, beef and pork), eggs, honey, milk, serum an ---MORE---
As the storm of plasticizers intensified, the Ministry of Health listed 17 kinds of phthalate esters including bis (2-ethyl) hexyl phthalate (DEHP) on June 1, 2011 "List of non-edible substances that may be illegally added in food and easily misused food additives (sixth batch)." Dima T ---MORE---
Construction background With the rapid development of network and multimedia technology, many schools have built a campus network environment. When the network hardware infrastructure is becoming mature, the campus network environment is fully utilized, and advanced modern educational technology ---MORE---
Cas number 1946-82-3 Molecular formula C8H16N2O3; H2N (CH2) 4CH (NHCOCH3) CO2H Molecular weight 188.22 Alias ​​Nα-Acetyl-L-lysine Nα-Acetyl-L-lysine Melting point: 256-258 ℃ Storage temperature -20 ℃ · Sturdy aluminum frame with ABS plastic corners, no ---MORE---
1 Purpose and significance of document pre-inspection Since printing plants or output centers accept a large number of external documents every day, and generally speaking, customers ’original documents are relatively focused on design and visual effects, and generally do not consider the ---MORE---
English name: L-Arginine L-glutamate salt; S (+)-2-Amino-5-guanidinopentanoic acid L-glutamate salt Other names: L-arginine-L-glutamine salt; arginine glutamic acid; L-glutamic acid L-arginine salt CAS number: 4320-30-3 C11H23N5O6 = 321.33 Level: BR Content: ≥98.0% Specific rotation: + ---MORE---
The premise of the completion of the code assignment work is the supervision code printing, and the printing enterprise is the direct producer of the supervision code. Factors such as the quality of the printing and the length of the printing cycle directly affect the construction of the electroni ---MORE---