低等

As podophyllotoxin complex structures, and its long line of synthetic route widespread, low-yield shortcomings.

由于鬼臼毒素结构复杂，其合成路线普遍存在路线长，产率低等缺点。

The stimu- lating effect of glycine on nitrate reduction was greatly influenced by preillumination treat- ment of tobacco leaves,and also by the activity of respiratory chain.

但乙醇酸脱氢酶主要存在于低等植物如藻类巾；在高等植物中，乙醇酸的氧化主要是由乙醇酸氧化酶催化的，形成乙醛酸和H言02，但没有还原剂的生成L19，。

The properties of product: May replace copper, the Pakistan alloy and so on the nobie metal, has the fine self lubrication, the high anti-impact intensity and the bending strength, saves the spouse, the comprehensive cost low status merit, the rub proofness is copper2-3time, is hard4-6time.

产品性能：可代替铜、巴氏合金等贵重金属，具有优良的自润滑性，高耐磨性、耐腐蚀性、高抗冲击强度和弯曲强度，节省配偶件，综合成本低等优点，耐磨程度是铜的2-3倍，是铁的4-6倍。

Flavonoid natural dyes are an important class of natural colorants, but they have some drawbacks such as lower substantivity to fiber and relatively small molar extinction coefficient; pyrazolone azo dyes have been widely applied for a long time, however, their fixation on fiber is still not perfect.

黄酮类天然染料是极其重要的一类天然色素，但存在对纤维亲和力差，摩尔消光系数低等诸多缺点：吡唑啉酮类偶氮染料尽管被长期广泛应用，但在纤维上的固色率仍不理想。

High expansion foam extinguishing system has the features of high output, low water damage, high reburn resistance, and low cost, it extinguishes class A and class B fire by fully flooding and covering, and it is efficient in controlling floating fire by liquefied petroleum gas and liquefied natural gas.

高倍数泡沫灭火系统具有发泡倍数高、水渍损失小、抗复燃能力强、成本低等特点，以全淹没和覆盖的方式扑灭A类和B类火灾，还可以有效地控制液化石油气和液化天然气的流淌火灾。

Multi-stage countercurrent extraction technology, integrating solvent extraction, repercolation with dynamic and countercurrent extraction, is a novel extraction technology for the traditional Chinese medicine.

中文摘要：动态罐组式逆流提取技术是集萃取、重渗漉、动态和逆流技术为一体的新型中药提取技术，具有提取效率高、溶剂节省、能耗低等特点。

Castor oil is an important industrial raw material, and the ricinoleic acid it contains has the characters of high viscocity, large proportion, higher burning point, lower freezing point, etc, with wider industrial utilities and higher economic value, castor oil has been listed as one of six strategic materials by US.

蓖麻油是重要的工业原料，其含有的蓖麻酸，具有粘度大、比重大、燃点高、凝固点低等性质，具有广泛的工业用途和极高的经济价值，美国已把蓖麻油列为六大战略物资之一。

Small of lower ferns having nearly naked stems and minute scalelike leaves .

低等蕨类植物小具有接近赤裸的茎和微小的状的叶。

Small family of lower ferns having nearly naked stems and minute scalelike leaves.

低等蕨类植物小科具有接近赤裸的茎和微小的鳞状的叶。

Family of lower ferns having nearly naked stems and minute scalelike leaves .

低等蕨类植物小科具有接近赤裸的茎和的鳞状的叶。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。