查询词典 depolymerization

After depolymerization of coal, its content of carbon and hydrogen decreases whereas that of chlorine,oxygen,humic acid as well as active functional group increases.

降解过程中，常常在煤分子上引入或生成新的活性基团，这些基团可大大提高煤的反应活性，为煤的进一步加工利用提供基础。

The chemicals used during depolymerization and reuse of PET are inexpensive and comparatively less harmful to the environment, and thus oVer advantages in the chemical recycling of polyes-ter waste fibers.

所使用的化学品，在结聚和重用的路线是经济和低污染的，并且克服了回收使用化学纤维的污染和高能耗的弱点

The results showed that,two reaction mechanisms of enzyme-catalyzed reaction and thermal-hydrolyzed reaction were involved in the S-TE process,which began with depolymerization of sludge flocs by exoenzyme s including proteases and amylases,followed by cell-walls and organic matters disintegration and hydrolyz.

结果表明，S-TE污泥溶解存在2种反应和2个过程：嗜热菌胞外酶首先解聚污泥胶团，进而溶解细菌的细胞壁，水解胞内有机物质。

A method of preparation of low molecular weight heparin from crude hog mucosal heparin by depolymerization with nitrous acid was studied.

介绍以猪肠粘膜肝素粗品为原料，采用亚硝酸控制解聚法制备分子量在4000～8000D的低分子量肝素。

Hydroxybutyraldehyde, which is main material of synthesizing 3-hydroxybutyric acid was prepared through the aldol condensation of acetaldehyde in this paper. The properly reaction conditions of acetaldehyde condensation and paraldehyde depolymerization was studied and obtained.

本文自行制备了氧化反应的主要原料3-羟基丁醛，并对乙醛羟醛缩合反应及三聚乙醛的解聚反应进行了初步研究，确定了反应的最佳条件。

Result The results showed that its components were quite complex, and 89 organic compounds were identified. There were 72 kinds of oxygen-containing organic compounds which included esters, phenols, aethers, ketones and alcohols in the depolymerization product, small amounts of alkanes, alkenes, arenes, thiophenol and nitrogen-containing organic compounds were also detected, which showed that characteristics of the product with high oxygen content, low nitrogen and sulphur content.

结果］超临界乙醇解聚产物成分十分复杂，GC/MS分析鉴定出89种有机化合物，其中72种为含氧化合物，主要有酯、酚、醚、酮和醇等，还检测出少量烷烃、烯烃、芳烃、苯硫酚和含氮化合物，反映了解聚产物的高含氧量和低含氮硫量的特性。

The thermal depolymerization of crumb rubber–asphalt system could be controlled by using the coadjustment of shearing temperature and shearing time.

可以通过剪切温度和剪切时间的互补关系实现可控降解。

The studies on production of pure cyclopentadiene by depolymerization-rectify of technical dicyclopentadiene and the influenceable factors about preparation of cyclopentene by liquid hydrogenation of cyclopentadiene at the Raney Nickel catalyst were carried out.

介绍了以工业级双环戊二烯为原料，经过解聚-精馏得到高纯度的环戊二烯，以骨架镍为催化剂，对环戊二烯液相加氢制备环戊烯的影响因素进行了研究。

Although it has been predicted that H2O2 is a diffusible DP agent (9), its role as an agent moving from tracheid lumen to an S2 site of depolymerization has not been demonstrated.

Although被预言H2O2是一个可扩散的DP代理(9)，它的角色 as搬到从管胞流明的代理解聚作用S2站点没有被展示的been。

So the FACE procedure described is useful for the rapid monitoring of pectic polysaccharide depolymerization and acdic oligosaccharide analysis.

该方法快速、简捷、灵敏、分辨率高，费用低，为果胶多糖可控性降解的监测和果胶寡糖的分离分析提供了技术手段。

Results showed that 0.01g/mL extract of Oxalis corniculata L. had obvious antimicrobial effect on S. aureus, but all extract of Oxalis corniculata L has not any antimicrobial effect on E.

结果表明，0.01g/ml的提取物对摇床培养的金黄色葡萄球菌生长具有明显的抑制作用；但各种浓度的提取物对摇床培养的大肠杆菌生长均无抑制作用。

This will be totally different from Zaro's texture mod, it will be desaturated, dirty etc.

这会和Zaro的那个材质补丁有很大不同，这边是更多的不饱和色，整个都灰扑扑的。