查询词典 poly

In the process of producing soft urethane polyester foamed plasics,CFCs as forming agent are replaced by cyclopentane whose value of ozone depletion is zero to decrease the destruction of environment,and the modified poly-ether-alcohol is used as reactants through one-step reaction.

为了解决软质聚氨酯泡沫塑料生产过程中的环保问题，采用臭氧消耗值为零的环戊烷为物理发泡剂替代严重破坏臭氧层的氯氟烃，以改性聚醚多元醇与甲苯二异氰酸酯等为主要反应物，一步法反应研制试产了软质聚氨酯泡沫塑料。

OBJECTIVE: To prepare cytotoxin/poly lacticoglycolic acid nanoparticles, and to study the general property and drug release in vitro.

目的：制备眼镜蛇毒细胞毒素-聚乳酸-羟基乙酸微球，观察其一般性质和体外释药特性。

Before selecting destination object, collapse it into Editable Poly.

在选择目标物体前需要将其转换成可编辑多边形。

A new type of difunctional initiator (benzyl dibromide, ethyl dibromoacetate) was proposed in this paper and used to synthesize poly based triblock copolymers such as PSt-PBA-PSt, PMMA-PBA-PMMA.

本论文提出一种新型ATRP双官能团引发剂(如α，α-二溴化苄、α，α-二溴乙酸乙酯)，并用聚合反应速度法、GPC法、核磁分析法进行双官能度的验证，并通过两步聚合合成以聚丙烯酸酯为中间嵌段、苯乙烯或甲基丙烯酸甲酯为两端嵌段的ABA型三嵌段共聚物。

Poly: Do many things at once are highly distractible and subject to interruptions.

多元：一段时间做好几件事，可能终止一件事去做另一件。

I am twenty-three years old,and have been employed for the last years by Poly Technologies.INC.Aircraft Support Divi- sion,in the general clerical work of the office.

今年23岁，在过去的四年中一直为保利科技有限公司航空维修部服务，担任普通文职工作。

I am twenty-three years old,and have been employed the last years by Poly Technologies.INC.Aircraft Support Divi- sion,in the general clerical work of the office.

今年23岁，在过去的四年中一直为保利科技有限公司航空维修部服务，担任普通文职工作。

I am twenty-three years old,and have been employed for the last years by Poly Technologies.INC.Aircraft Support Divi- sion,in the general clerical wo rk of the office.

今年23岁，在过去的四年中一直为保利科技有限公司航空维修部服务，担任普通文职工作。

There were fewer species of helophytes and single species dominancy community was found in helophytes community; the quantity of plant species increased gradually and poly dominant species or edificator were found in hygrophytes or mesophyte community.

沼生植物群落的种类相对较少并有呈单优势种分布的趋势，湿生或中生植物群落的种类逐步增多，并表现出具多优势种和建群种的分布格局。

A novel method to prepare polyrotaxane in solution by α-cyclodextrins and dumbbell-like poly derivative with reversible acylhydrazone bond and big end stopper (2',4-dinitrophenyl) is described.

合成了具有可逆酰腙键的2，4-二硝基苯甲醛封端的哑铃型聚乙二醇衍生物。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。