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Keyword [LD50]
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1. Isolation And Identification Of Pathogenic Enterococci In Swine Infections And Study On Their Molecular Nosogenesis
2. Study On The Toxicity Of Dietary Nitrites In Meat-type Ducks
3. Study On Biological Property Of Matrine
4. Isolation, Indentification Of The Escherichia Coli Causing Edema Disease Of Swine And Cloning And Expression Of FedF Gene
5. The Prevention Of Immune Milk For Rats' Diarrhea And The Mechanism
6. Studies On Resistance Of Rice Planthoppers To Chemical Insecticides In Guizhou Province
7. Extraction And Research On Bioactivity Of Raw Toxin Of Ricious
8. The Study Of Monitoring On Resistance And Control Of Brown Planthopper (Nilaparvata Lugens St(?)l) In Hunan Province
9. The Pathological Studies On Subacute Toxieology Of Sudan Ⅰ In Mice
10. Preparation Of Oxytetracycline Hydrochloride Effervescent Tablet And Study On Its Pharmacodynamic
11. Establishment And Application Of Multi-PCR Assay For Streptococcus Suis, And It's Prevelent Study Of Samples In Slaughters
12. Studies On Effect Of The Reproductive Toxicity Of α-Chlorohydrin In Male Plateau Pika
13. The Development Of New Wood Preservative DCP
14. Studies On Etiological Characteristics Of Haemophilus Parasuis Isolated From Jiangxi Province
15. The Study On Inducing Low-Temperature-Resistant Mutants Of Tomato With Chemical Mutagen
16. Knockout And Virulence Test Of The Gene Coding For Stx2e Of Shiga Toxin-producing Escherichia Coli
17. The Study On General Toxicity Of Ethyl Maltol Complex In Mice
18. Isolation Identification And Biological Characterization Of Pathogenic Neisseria Isolated From Ducks
19. The Research On EMS Mutagenic Effects Of Mengnong Sainfoin
20. TASA Toxicology And By HPLC Method To Detect Four Kinds Of Alkaloids In Plasma Of Sheep
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