抑菌测定

METHODS The agar cavity experiment and the experiment of bacteriostatic activity of the guide tube in the nutrient meat broth were made.

用琼脂腔试验法和导管在营养肉汤中的抑菌活性试验测定导管的抗菌性能。

ZNQ-0317 is synthesized by China Agriculture University. In this research, the inhibitive range was determined, and the effect of ZNQ-0317 to mycelium growth, sporangium produce, the release of zoospores from sporangia and cystospore germination was determined. The mode of action and residual activity was determined on green house tests. The mechanism of action of ZNQ-0317 was simply discussed.

ZNQ-0317是由中国农业大学合成的丙烯酰胺类杀菌剂，本研究测定了该药剂的抑菌谱及其对番茄晚疫病菌菌丝生长、孢子囊产生、游动孢子释放、休止孢萌发的影响，通过盆栽及大田试验确定了其作用方式及持效期，初步探讨了其作用机理。

Methods:The susceptibilities of 80 gonococcal epidemic strains to 8 fluoroquinolones were detected by agar dilution methods .

临床标本分离的 80株淋病流行株，采用琼脂稀释法测定淋球菌对 8种氟喹诺酮药物的最小抑菌浓度及交叉耐药情况。

Objective To evaluate the in vitro antifuangal activity of 2% sertaconazole nitrate ointment and miconazole nitrate cremor. Methods The minimal inhibitory concentrations of 134 clincal isolates of bacteria were determined by standard agar dilution method,and miconazole nitrate cremor.

目的 评价硝酸舍他康唑软膏的体外抗菌活性方法采用琼脂平皿稀释法测定2%硝酸舍他康唑软膏对134株临床分离分离致病菌的最低抑菌浓度，并与硝酸咪康唑霜进行比较。

With the exosomatic MIC detection method and antibiosis efficiency detection method determined the common alimentary canal pathogenic bacteria,air tube pathogenic bacteria and mammitis pathogenic bacteria,respectively.

采用体外最小抑菌浓度MIC检测法和抗菌效率检测法分别对常见的消化道病原菌、呼吸道病原菌、乳房炎病原菌进行测定。

Methods: The minimum concentration inhibitory to Neisseria gonorrhoeae of ceftriaxone was determined by using the agar dilution method.

采用琼脂稀释法测定头孢三嗪对淋病奈瑟菌的最小抑菌浓度(minimalinhibitoryconcentration ，MIC)。

Through the determination of biological activities indoors, 40 strains antagonists are screened against Botrytis cinerea, Penicillium digitatum, Penicillium expansum, Alternaria kikuchiana and Physalospora piricola which are primary diseases on fruits.

经过室内生物活性测定，筛选得到40株对草莓灰霉病菌、柑橘绿霉病菌、苹果青霉病菌、梨黑斑病菌、梨轮纹病菌五种水果常见采后病害都有明显抑菌活性的细菌。

To mensurate the titer of the specimen, this method compares size of the bacteriostatic rings to the vaccinal test organisms produced by the standard and the tested by using the diffusion effect of antibiotics in agar culture medium.

本法是利用抗生素在琼脂培养基内的扩散作用，比较标准品与供试品两者对接种的试验菌产生抑菌圈的大小，以测定供试品效价的一种方法。

Methods: The minimum inhibitory concentrationof Xipayiguyiy on P.gingivalis,P.intermedia and F.nucleatum was observed by agar dilution in vitro.Also,the effects of Xipayiguyinye on oral malodour challenged by cysteine was investigated on 10 volunteers in vivo.Results: It showed in this study the MIC of Xipayiguyiy for Pg and Fn was 1mg/mL,and for Pi was 0.5mg/mL.It was also found the Xipayiguyinye achieved significant effects on oral malodour challenged by cysteine.

采用琼脂稀释法，测定西帕依固龈液对牙龈卟啉单胞菌（Pg、中间普雷沃菌、具核梭杆菌的最低抑菌浓度；对10例志愿者采用自身前后对照试验，观察四种干预措施（无干预、清水、西帕依固龈液、口泰）对半胱氨酸激发性口臭的最大值水平、各时间点下降百分比及口气值的下降曲线的影响，评价西帕依固龈液防治口臭的效果。

MethodsThe minimal inhibitory concentration and time-killing rate of different sizes of polyethylanimine, alone and in combination with the drugs against two isolates of Candida albican were investigated.

通过体外实验测定不同分子质量聚乙烯亚胺单独及与三种不同类别的常规抗菌药物联合使用对两株白念珠菌的最小抑菌浓度和杀灭时间，确定PEI单独及联合使用的体外抗真菌活性。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。