This paper deals with the determination of the content of insecticidal antibiotics-Meilingmycin by means of TLc-UV Spectrophotometry.
提出用薄层———紫外分光光度法测定杀虫抗生素———梅岭霉素的含量 ,该法以正己烷———丙酮(v/v 7∶3)作展开剂 ,在HF2 54 硅胶板上点样展层后 ,刮取有效斑点 ,用甲醇溶出 ,置紫外 2 44nm处测定吸光度 ,与标准曲线对照求出其含量 ,工作曲线在 10～ 6 0 μg范围内成直线 ,相关系数r =0 。
Studies on Breeding and Fermentation Condition Optimization of the Producing Strain GX-29 and Antibiotic s Separation;
杀虫抗生素产生菌GX-29的选育、发酵优化及其产物的分离纯化研究
Selecting Nematicides and Synergism of Antibiotics to Nematicide to Bursaphelenchus Xylophilus;
杀松材线虫剂筛选及抗生素对杀线剂增效作用
Effect of Usual Chemical Pesticides and Antibiotics on Bacillus Thuringiensis;
常用化学杀虫剂和抗生素对苏云金杆菌的影响
Short-Term and Long-Term Toxicities of Selected Insecticides and Antibiotics on Photobacteria
杀虫剂及抗生素对发光菌的短期毒性与长期毒性
resistance of insects to insecticides
昆虫对杀虫剂的抗性
insect hormone as insecticides
作为杀虫剂的昆虫激素
Synthesis of Hapten and Preparation of Conjugates for the Determination of Chlordimeform by Immunoassay
杀虫脒衍生物的合成及其人工抗原的制备
The brown planthopper, Nilaparvata lugens (St?l) is an important agricultural insect pest showing resistance to many different insecticides.
褐飞虱是一种重要的农业害虫，其对许多杀虫剂都产生了抗药性。
They work in different ways.
这两种抗生素的杀菌机制完全不同。
Effect of Avermectin Made in China Aganst Endor exo Parasites in Sheep
国产阿维菌素驱杀绵羊内外寄生虫试验
Studies on Synthesis and Insecticidal Activity of Celangulins Derivatives;
苦皮藤素衍生物的合成及其杀虫活性测定
Study on Tetrodotoxin and Insecticidal Metabolites from Two Marine Microbes;
海洋微生物源河豚毒素和杀虫活性物质的研究
Construction of an Yeast Model for Screening the Moulting Hormone Analogue Insecticides;
卫生害虫蜕皮激素类似物杀虫剂筛选模型的建立
Preparation of Specific McAb-PE40 Chimeric Toxin and Its Kill Action to Cryptosporidium Parvum;
特异性单抗-PE40重组毒素的制备及其对隐孢子虫杀灭作用研究
The insects have become resistant to the pesticide.
这些昆虫已经对杀虫剂有抗药性了。
strains of mosquitoes that are resistant to insecticide
对杀虫剂有抗药性的蚊虫.
A chemical agent, such as a pesticide, that is capable of destroying living organisms.
杀虫剂一种能杀死生物的化学制剂，如杀虫剂
Study on Insecticidal Activity of Symbiotic Bacteria from Entomopathogenic Nematodes;
昆虫病原线虫共生菌杀虫活性的研究