活性的

Biosurfactant is a high surface-active agent synthesized by microorganism.

生物表面活性剂是由微生物产生的具有高表面活性的生物分子。

When applied -N amount was more than 300Kg/hm2, the contents of some cations, which effect on key enzymes of nitrogen assimilation, was declined significantly, thus, total-N decreased in leaves of swamp cabbage.

华南热带农业大学硕士学位论文 6、施氮量超过300 Kg月加2后，蔬菜叶片中影响氮同化关键酶活性的阳离子含量显著下降，影响了蔬菜对氮的同化，叶片中全氮含量下降。

The effects of the food additive butylated hydroxyanisole and the antibiotic Norfloxacin on swordtail fish were measured by considering a number of parameters, including glutathione S\|transferase, catalase, 7-ethoxyresorufin-o-dealkylases and malondialdehyde contents.

研究了叔丁基对羟基茴香醚(butylated hydroxyanisole， BHA)和诺氟沙星(norfloxacin， NFLX)对剑尾鱼的急性毒性及其肝脏谷胱甘肽硫转移酶、丙二醛、过氧化氢酶及7-乙氧基异吩恶唑酮-脱乙基酶活性的影响。

a novel gene coding ef-1 of taenia saginata asiatica was cloned and expressed successfully. the purified protein of ef-1 will be of importance for further research on the biological function of the gene.

亚洲牛带绦虫成虫ef-1基因可在原核表达系统中获得具有免疫学活性的表达，为进一步研究该蛋白的功能奠定了基础。

The spore could germinate in 5-35℃,the optimum temperature was 25℃.The bioassay of toxin used seeding and young leaves because it could cause the evident symptom rapidly and sensitively. The toxin produced by A, tenuis Nees could change the function of the toxin on the POD, SOD and PAL was identical to A.

病原菌毒素的生测采用寄主植物切根苗、幼嫩叶片比较直观、灵敏；毒素对寄主植物膜透性有伤害作用，引起膜功能紊乱；毒素和病原菌对枸杞叶片处理后，对POD、SOD、PAL酶活性的影响有很大相似性。

ZrO_2 in WO_3/ZrO_2 mainly existed as a tetragonal phase, but its content...

考察了催化剂制备条件和反应条件对催化剂活性的影响以及催化剂的重复使用性。

The method is simple, timesaving and dependable, thus it can be used as a kind of effective measuring in detection of promoter activity.

方法简单、省时、可靠，可以作为一种有效的检测启动子活性的方法。

The influence of polymer on the properties of TiO〓 was also investigated.

同时，在此工作的基础上，还研究了高分子聚合物对TiO〓纳米粒子后处理过程、再分散特性以及光催化活性的影响。

The structure and photocatalytic activity of the TiO2 prepared from the treatment of nanotubed titanic acid in CO was investigated.

研究了在CO气流中，处理温度对纳米管钛酸脱水产物TiO2的结构及C3H6光催化氧化反应活性的影响。

With the kinetic parameters,such as charge transfer coefficient α and standard electron transfer rate co...

当pH为7.4时，动力学参数的计算结果表明，二者之间形成了一种具有电活性的超分子化合物。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。