英语释义

1. a crystalline or liquid lactam C4H7NO made by a series of steps using acetylene, formaldehyde, and ammonia and used chiefly in making polyvinylpyrrolidone; 2-pyrrolidin-one — called also 2-pyrrolidone

片语

METHYL PYRROLIDONE甲基吡咯烷酮

-pyrrolidone吡咯烷酮

ketopyrrolidine吡咯烷酮；α，γ-丁内酰胺

pyrrolidone derivatives吡咯烷酮衍生物

Alkyl pyrrolidone烷基吡咯烷酮

CAPRYLYL PYRROLIDONE辛基吡咯烷酮

LAURYL PYRROLIDONE月桂基吡咯烷酮

Pyrrolidone hydrotribromide吡咯烷酮氢化三溴化物

Acetamide Pyrrolidone乙酰胺吡咯烷酮

polyviyl pyrrolidone聚乙烯吡咯烷复合物

英汉例句

• this indicates that n-methyl pyrrolidone is superior to naphthalene in comprehensive heat transfer performance and is suitable to be used in moderate-temperature heat pipe.

  实验表明n—甲基吡咯烷酮综合传热性能优于萘，可望作为中温热管工质使用。

• refining method with solvent mixed a with n-methyl pyrrolidone was used to decolor the fcc diesel oil.

  以溶剂a和n-甲基吡咯烷酮的混合物为萃取剂，对催化裂化柴油进行了脱色精制研究。

• a process for the production of aromatic rubber extending oil was studied by n-methyl pyrrolidone or furfural solvent extraction of vacuum gas oil obtained from xinjiang mixed crude oil.

  以n-甲基吡咯烷酮和糠醛为溶剂，对新疆混合原油的减压馏分油进行了精制，并对此抽出油进行注水、降温沉降研究及芳香烃型橡胶填充油的放大制备试验研究。

• polyvinylpyrrolidone (pvp) is a kind of fine polymer obtained by free radical polymerization of n-vinyl pyrrolidone (nvp).

  聚乙烯基吡咯烷酮（pvp），是一种水溶性精细高分子聚合物。

• the invention also provides a solvent for the production process of knitted impregnated pu gloves, which is prepared from polyurethane resin and methyl l pyrrolidone according to a certain proportion.

  本发明同时提供了一种用于该针织浸渍pu手套生产工艺的溶剂，由聚氨酯树脂和甲基吡咯烷酮按比例配制。

• the photografting polymerization of nvinyl pyrrolidone (nvp) on the surface of ldpe film with photo grafting method was studied and ldpegnvp was characterized by ftir qualitatively.

  采用一步法和二步法研究了聚乙烯薄膜表面的n- 乙烯基吡咯烷酮光接枝反应，并用傅立叶变换红外光谱仪定性表征了反应结果。

• in the method, florfenicol serves as a main component; gelatin serves as a carrier; and polyvinyl pyrrolidone is added in a preparation process.

  该方法以氟苯尼考为主要成分，以明胶为载体，制备过程中加入聚乙烯吡咯烷酮。

• results:the optimized formulation was composed of microcrystalline cellulose 20%, cross-link polyvinyl pyrrolidone 6%, sodium carboxymethyl starch 5.5% and polyvinyl pyrrolidone 8%.

  结果：优选的最佳处方为微晶纤维素20％、交联聚乙烯吡咯烷酮6％、羧甲基淀粉钠5．5％和聚乙烯吡咯烷酮8％。

• a novel monomer 2,6 - diphenoxybenzonitrile (dpobn) was prepared by condensation of 2,6 -dichlorobenzonitrile with phenol in n - methyl pyrrolidone (nmp)in the presence of koh and k2co3.

  在koh和k2co3存在下，通过2，6-二氯苯甲腈与苯酚在n-甲基吡咯烷酮中的缩合反应，合成了一种新单体2，6-二苯氧基苯甲腈。

• the present invention discloses a kind of tobacco humectant, which is water solution of pyrrolidone carboxylate.

  本发明公开了一种烟草保润剂，该烟草保润剂是吡咯烷酮羧酸盐的水溶液。

• the condensation and ammonification tests is proceed by using pyrrolidone as the start material.

  以吡咯烷酮为起始原料进行成盐、缩合、氨化试验，考察影响收率的工艺因素。

• the terpolymers of the invention: (a) a vinyl lactam, such as vinyl pyrrolidone or vinyl caprolactam;

  发明的三元：（一）一乙烯基酰胺，如聚乙烯吡咯烷酮或乙烯基己内酰胺；