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Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯嗪为原料,合成了6芳嗪衍生,研究了它们合成方法,并测定了所得产除草活性。

The performance of zinc dust paint manufactured by partially ferrophosphorus - substituted zinc dust were introduced.

着重介绍了磷铁粉取代部分锌粉制备锌粉漆特性,并给出了3锌粉漆参考配方。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要吡嗪杂环香料及各自特征香气,并综述了此化合一般合成法。

The yolky cell is chock-full of protein factors and hormonelike agents, and controlled by its own nonchromosomal DNA.

这个蛋黄一样细胞，里面充满了各种蛋白因子和激素介质，并由它自己非染色体DNA[1]控制。

This was true whether applied to a congenital defect, such as syndactyly, or an acquired defect, such as a burn contracture.

把它们应用于诸如并指先天缺损或是烧伤疤痕挛缩后天缺损修复，往往都没错。

It should be possible for a class to inherit from as many others as necessary, with an adequate mechanism for disambiguating name clashes.

一个应该可以能够从所有需要继承下来,并有一个适当机制来消除名字歧义.

Any of various insect larvae that live and feed within a leaf, including caterpillars, sawfly larvae, beetle and weevil grubs, and dipteran maggots.

许多在叶生活并取食昆虫幼虫统称，包括毛虫、叶蜂幼虫、甲虫和象甲虫以及双翅昆虫蛆。

Workflow realization base on JAVA was given, including kenel interface, main classes and workflow engine.File flow, examine and approve flow function of the system were realized based on the workflow.

实现了协同网络税务办公系统，给出了使用JAVA语言工作流实现，包括工作流核心接口、主要实现以及工作流引擎实现，并在该工作流础上，实现了该系统公文流转、审批流程设置等主要办公业务。