查询词典 acetacetic ester

Namely insecticide is given priority to with organic phosphor, the period that drafts the of all kinds and organic pesticide such as Dalmatian chrysanthemum ester to develop at the same time.

而到了90年代的后期，已明显地看到，农药正在逐渐向着新的方向发展，这就是在新的世纪中，即将来临的新的大变革的新时期。

DNA is uses by many deaeration nucleotide residue according to certain smooth each other 3 ', 5 '- di-phosphate ester key connected constitution long chain.

DNA是由许多脱氧核苷酸残基按一定顺序彼此用3'，5'-磷酸二酯键相连构成的长链。

It is an important aspect in cause of petroleum formation that hydrocarbon from fatty acid or ester decarboxylation catalyzed by minerals at low temperature.

中文摘要：矿物低温催化脂肪酸或酯的脱羧生烃是石油成因机制的一个重要方面。

The presence of high temperature, middle oxidizer and dissolved oxygen oxidized alcohol into aldehyde and acetic acid; decompound of ester was concomitant with esterification.

此外，蒸馏过程中还发生物质的分解，由于高温、中间氧化剂和溶解氧的存在，使酒精氧化成乙醛和乙酸，酯化作用的同时发生酯的分解。

Use GC-MS the chemical composition of deliquescent constituent undertook ester of acerbity second of the mellow to Java kapok second that promote thing consider, in all appraisal gives 46 kinds of part.

化学成分：从爪哇木棉根中分离得到4种结晶成分，经理化常数和光谱分析分别鉴定为胡萝卜甙，齐墩果酸，橙皮甙和硝酸钾。

The virgin thermoplastic polyurethane and the thermoplastic polyurethane of the scrap material are polymerized using at least about 60 percent by weight, based on the weight of the polyurethane produced, of a polyester diol having a weight average molecular weight of at least about 500 and having from four to five carbon atoms between substantially all of the ester groups.

未使用过的热塑性聚氨酯和废料的热塑性聚氨酯是使用至少约60wt％的聚酯二醇聚合而成的，基于产生的聚氨酯重量。其中该聚酯二醇的重均分子量为至少约500，并基本所有的酯基团之间均有4～5个碳原子。

The diol ester compound was used as a new-type internal electron donor forZiegler-Natta catalyst system recently.

二醇酯类化合物是近年提出的用于丙烯聚合催化剂的新型内给电子体，以它为内给电子体的Ziegler-Natta催化体系催化丙烯聚合得到的聚合物具有等规度高，易于加工等优良性能。

And recycle of partial distiller′s grain could effectively improve the content of total acid and total ester in the liquor.

后来的验证试验亦相同。回部分酒醅是提高汾酒总酸、总酯的有力手段。

DMI can be freely soluble in water, also soluble in ester, ethanol and other polylols.

。除了良好的溶剂功能之外，DMI还特用于增加化妆品活性成分在皮肤表层的传递。

The mechanism of dodecyl phosphate ester and water glass in flotation separation of magnesite from dolomite is described.

介绍了十二烷基磷酸酯和水玻璃浮选分离菱镁矿与白云石的作用机理。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。