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polymer n.【化學】聚合體,聚合物,多聚物。 high mole...

By “multicomponent systems“ polymer chemists mean polymer blends, copolymers and reinforced composites . 聚合物化學工作者所稱的“多組分體系”是指聚合物共混體,共聚物和增強復合材料。

polymerase

Long-chained charged synthetic and natural polymers can act to destabilize colloids by forming a bridge between one colloid and another . 長鏈帶電的合成聚合物和天然聚合物,能夠在膠體間搭橋而使膠體不穩定。

The synthesis of isotactic polymers is usually only possible by means of special sterospecific (stereoregulating)initiators . 通常只能用特殊的立體定向(立體調發)引發劑(Ziegler催化劑)來合成等規聚合物。

Difunctionality, which is the essential characteristic of a polymer precursor, may be achieved in many different ways . 能生成聚合物的物質其不可缺少的特點是具有雙官能性。這種雙官能性可用多種方法獲得。

Polybutadienes, epoxy resins, and similar polymers may be used while they are in the viscous or liquid state of prepolymerization . 聚丁二烯,環氧樹脂及類似聚合物在粘性狀或液體預聚態都是可用的。

The drying of wet polymer particles with solvent recovery is an operation which may see wide use in the plastics industry . 干燥濕的聚合物顆粒并把溶劑回收是在塑料工業中有廣泛用途的一種操作。

The liquid polymer is stored in a container in the fire truck and pumped into the water that will travel through the hose . 此液體聚合物儲存在消防卡車里的容器內,通過皮管將它壓注于水中。

Impurities that promote deterioration of polymers can be foreign materials, such as residues from polymerization catalysts . 促使聚合物劣化的雜質可能是外加的物質,如殘存的聚合用催化劑。

The synthesis isotactic polymers is usually only possible by means of special stereospecific (stereoregulating)initiators . 通常只能用特殊的立體定向(立體調節)引發劑來合成等規聚合物。

Organisms that cause polymer deterioration include bacteria, fungi, marine animals, and borers of various types . 能夠造成聚合物劣化的生物體很多,如細菌、真菌、海生動物和各種蛀蟲等。

By “multicomponent systems“ polymer chemists mean polymer blends, copolymers and reinforced composites . 聚合物化學工作者所稱的“多組分體系”是指聚合物共混體,共聚物和增強復合材料。

Centrifuging, washing, and filtering may separate any fraction of polymer that occurred by an emulsion process . 離心,洗滌,和過濾可以分離乳液法制得的任何級分的聚合物。

The production of polymer in each case involves the rapid addition of monomer to a few active centres . 在各種情況下聚合物的生成都是單體對少數幾個活性中心的快速加成。

All polymers react with oxygen under extreme conditions, that is, at combustion temperatures . 所有聚合物,在劇烈條件下,亦即在燃燒溫度下,都同氧發生反應。

Regular vinyl addition polymers may be obtained from particularly strained endocyclic double bonds . 由帶特殊張力的橋環雙鍵可以得到規整的乙烯類加成聚合物。

There was a weakening of the intermolecular bonds, primarily in the amorphous region of the polymer . 分子間鍵合減弱,尤其在聚合物的無定形區內更為明顯。

Two events of the twentieth century catapulted polymers into a position of worldwide importance . 20世紀的兩件大事一下使聚合物獲得了世界性的主要地位。

In reality, readily characterizable high polymers are formed only from aliphatic aldehydes rcho . 事實上有代表性的高聚物僅僅是由脂肪醛RCHO制得的。

The primary purpose of this book is to present a fundamental approach to stabilization of polymers . 本書的主要內容是介紹聚合物穩定化的基本方法。