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

以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生,研究了它们的合成方法,并测定了所得产的除草活性。

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

着重介绍了取代部分锌制备锌漆的特性,并给出了3类锌漆的参考配方。

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

介绍了一些重要的吡嗪类杂环香料及各自的特征香气,并综述了此类化合的一般合成法。

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

这个蛋黄一样的细胞，里面充满了各种蛋白因子和类激素介质，并由它自己的非染色体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的先天缺烧伤疤痕挛缩类后天缺的修复，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.

一个类应该可以能够从所有需要的类中继承下来,并有一个适当的机制来消除名字的歧义.

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

许多在叶中生活并取食的昆虫幼虫的统称，包括毛虫、叶蜂幼虫、甲虫和象甲虫以及双翅类昆虫的蛆。

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语言的工作流的实现，包括工作流的核心接口类、主要类的实现以及工作流引擎的实现，并在该工作流基础上，实现了该系统的公文流转、审批流程设置等主要办公业务。