一酸的

A novel polymeric organic thermal stabilizer for PVC was designed and synthesized by acryloylthiourea grafting on polystyrene which was nitrified by HNO3 and then reducted by Sn powder to amine.

以经部分硝化和还原的低分子量聚苯乙烯为母链，利用其胺基和丙烯酰基异硫氰酸酯加成，合成了一种新型有机高分子型PVC 热稳定剂——丙烯酰基硫脲接枝聚苯乙烯，其结构经IR和元素分析表征。

Even conventional medicine recognizes this, as anyone who overdoses on it receives large doses of N-acetyl cysteine in the emergency room.

即使承认这一传统医药、正如任何人在接到大剂量的过量乙酰半胱氨酸在急诊室。

But benzoates are not the only preservatives on which kids are overdosing.

但是安息香酸盐不是唯一一种孩子超量使用的防腐剂。

Objective To investigate the role of nitric oxide in L-arginine potentiated compensatory renal growth in subtotal nephrectomy rats.

目的：探讨一氧化氮在L-精氨酸所致肾大部切除大鼠残余肾代偿性增生中的作用。

An acid that is known only by virtue of its salts or its ''.

一种酸，因其形成的盐和酯而为人所知。

Schonbein accidentally spilled some of the acidand,in a panic, he seized the first thing at hand,his wife'scotton apron, sopped up the mixture, then hung it over thestove to dry before his wife came home.

舍恩拜因不小心溅出了一些酸，惊慌中随手抓起手边一件东西——他妻子的棉围裙——去擦那种混合液，然后把围裙挂在炉子边上，以便在他妻子回家之前烘干。

Rather small Eurasian tree producing red to black acid edible fruit.

欧亚一种非常小的树种，果实酸但可食，红到黑色。

A salt or ester of acetic acid .

异氰酸形成的一种盐或酯。

Polyaspartic acid was green viscosity-reducer.The viscosimetric properties of polyaspartic acid in dilute solution was investigated.

本文所研究的聚天冬氨酸具有无毒、易降解、不破坏生态环境等特点，是一种绿色降粘剂。

A chemical formed by the reaction of an acid and an alcohol.

一种由酸和醇反应而形成的化学结构。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。