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The antimicrobial test and researched was done on wide distillation of different solvents on Terpenoid, polarity separation of ethanol distillable substance, thin layer chromatography of different polarities and distillation of amylase. The results showed that the active substance distilled by 95% ethanol and V methanol: toluene=3:1 had stronger antimicrobial activity on Agaricus blazei Murrill. The antimicrobial activity of ethyl acetate was stronger than wide distilling substance with ethanol, but the water part has not antimicrobial effect. Two straps of ethyl acetate phase（Rf0.57、Rf0.63）(0.1g/ml)had stronger antimicrobial activity on Agaricus blazei Murrill, the antimicrobial zone on Pseudomonas was 19.3mm. The bacteriostatic activity of chromatography strap of water phase was rather weaker, the water solution (0.5g/g) of amylase had better effect on pathogenic fungus of Agaricus blazei Murrill, its antimicrobial zone on Aspergillus niger, Citrinin, Trichoderma viride were 10.8 mm, 7.9 mm, 5.3 mm.

通过对日本凹顶藻以不同溶剂的粗提、乙醇提取物的极性分离、不同极性的薄层层析和多糖的提取，进行抗菌试验的研究，发现95%乙醇和V甲醇：甲苯为3∶1的提取的活性物质具有较强的抗姬松茸的病原细菌活性，乙酸乙酯相对病原细菌的抑菌强于乙醇的粗提物，而水相基本无抑菌效果，乙酸乙酯相的两个带（Rf0.57、Rf0.63）浓度为0.1g/ml具有较强抗姬松茸病原细菌的活性，对假单孢杆菌抑菌圈达到19.3mm，水相层析带的抑菌活性较弱，多糖的粗提物配成0.25g/g的水溶液对姬松茸病原真菌有较好的抑菌效果对黑曲霉、桔青霉和绿色木霉的抑菌圈分别达到10.8 mm、7.9 mm、5.3 mm。

In this paper,one superior Aspergillus niger, which could secrete saccharifying enzym with high activity,was selected from Hexi savory vinegar material by useing the transparents ring as elementary index and saccharifying enzymic activity as secondly index.

采用透明圈法进行初筛，以糖化酶活力为复选指标，从接霉制曲后的河溪香醋原料醅中筛选到1株产糖化酶活力高的优势黑曲霉。

Tritici with MICs as 80 and 150μg/ml . The MICs of a main secondary metabolite of YS 4108, 3-methylphenol ether against Candida albicans, Tricophyton rubrum, Epidermophyton floccosum, Cunninghaghmella elegans and Aspergillus niger were 10, 30, 20, 20 and 50μg/ml, respectively.

来源于海洋真菌YS 4108的一个甲基酚醚表现出对白色念珠菌、红色毛癣菌、絮状表皮癣菌、雅致小克银汉菌和黑曲霉等五株人类病原真菌的良好抗菌活性，MIC分别为10、30、20、20和50μg／ml。

Chinese gallotannin ; tannase ; Aspergillus niger ; gallic acid ; fermentation conditions

五倍子；单宁酶；黑曲霉；没食子酸；发酵条件

Niger treated with dibromo- dichloro - glycoluril disinfectant.

结 果以含有效成分284mg／L的二溴二氯甘脲消毒剂作用30min，可使枯草杆菌黑色变种芽胞杀灭率达到99.99％。

Factors influencing the degradation of tannins from Punica granatum peel by Aspergillus niger was investigated such as temperature, time, pH, amount of loading, type of carbon and nitrogen rources as well as their combination proportions.

通过考察温度、时间、pH、装液量等外界条件对菌株降解单宁的影响，同时进行外加碳源、氮源及碳氮比的选择，以提高菌株对单宁的降解能力。

As for the density of species, they are differences in the density of insects, but ants, Lasius niger are the dominant species for their maximum density.

就各目的种的密度来说，昆虫的密度存在差异，但蚂蚁、黑蚁的密度最大为优势种。

In order to reduce the non-specific binding between oligonucleotides and bases mutation caused by the complicate secondary structure of DNA and excessive PCR amplification, a frequently phenomenon in one-step gene synthesis, we used a two-step method including assembly PCR and digestion-ligation step to synthesis Aspergillus niger lipase gene lipA.

本研究主要针对一步法长片段基因合成中复杂结构的非特异性配对和过多的PCR引入碱基错配等问题，采用二步法(组装PCR和酶切-酶连)合成了黑曲霉脂肪酶基因lipA。

Bacteriostasic activity experiments on anthocyanin extracted from Malva sylvestris inhibiting Staphylococcus aureus, Escherichia coli, Aspergillus niger, were conducted by using solid and liquid culture methods.

本项研究通过采用固体培养和液体培养的试验方法，进行大花葵花色苷对金黄色葡萄球菌、大肠杆菌和黑曲霉的抑菌试验。

Nigeria and Niger are reeling from one of the worst meningococcal meningitis epidemics in years.

近几年，尼日利亚和尼日尔逐渐成为了流行性脑脊髓膜炎发病最严重的地区之一。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。