新化学物质,new chemicals
1)new chemicals新化学物质
1.China Act on Control of Chemicals should select the existing poisonous or hazardous chemicals and new chemicals as its regulatory objects.我国《化学物质控制法》应当借鉴欧盟的立法经验,以有毒有害的现有化学物质和新化学物质为主要的调整对象,以化学物质的安全、环境风险预防和控制为主要的规范领域。
2.When we investigate the effect of risk assessment for new chemicals,the PNEC must be calculated by extrapolating toxicity data.在进行新化学物质生态环境效应评价时,需应用毒理学数据外推得出环境预测无效应浓度(PNEC),国外通常使用的外推法有评价系数法和统计外推法。
3.The relevant acts,regulations and executive department and evaluation frameworks for new chemicals management in the EU,United States,Japan,Canada and Australia were introduced and summarized in this paper.概要介绍了欧盟、美国、日本、加拿大和澳大利亚等国家和地区的新化学物质管理的相关法规、行政机构设置和审查制度流程,并详细阐述了在化学物质申报制度中对健康效应的数据需求及其测试方法。
英文短句/例句

1.Eco-toxicology Assessment of New Chemicals and Analysis of Libang Paint;新化学物质生态毒理学评估与立邦漆分析
2.chemicals that interact to form a new compound相互作用形成新化合物的化学物质
3.On Cultivating of the Innovation Quality in the Teaching of Physical Chemistry;试论物理化学教学中创新素质的培养
4.Chemistry is the study of how substances act on each other to produce new substances.化学是研究物质如何相互作用而生成新的物质。
5.Something New about Surface Chemistry关于物质表面化学的新知识
6.Synthesis of a Novel Azo Compound and Its Optical Activity新型偶氮化合物的合成及其光学性质
7.Any change that results in forming a new substance is a chemical change.导致一种新物质生成的任何变化是化学变化。
8.a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds.两种化合物互相交换物质形成两种新的化合物的化学反应过程。
9.Food is broken down by chemicals.化学物质引起食物转化。
10.Wherever a chemical change takes place, there is a new substance formed.化学变化无论发生何处,都会产生新物质。
11.A chemical change always results in forming at least on new substance .一种化学变化总是产生至少一种新物质。
12.Whenever a chemical change takes place, There is a new substance formed .每当发生化学变化时,就有一种新的物质生成。
13.Whenever a chemical change takes place, there is a new conference to formed.每当发生化学变化,就有一种新的物质生成。
14.We may define chemistry as the science in which we deal with the chemical change in matter as a result of which it is possible to form a new stance.我们将化学定义为:在人们中,处理物质间化学变化,并且此变化可能会产生一个新物质的科学家。
15.incorporate a chemical substance with others把一种化学物质与他种化学物质混合
16.Freshly roasted beans will release hundreds of chemical substances in the form of vapors.新烘焙的咖啡豆会释放出上百种化学物质。
17.We were convinced that the materials which we had discovered were new chemical elements.我们相信我们已经发现的物质是新的化学元素。
18.Non-linear Optics Properties of a Novel Azo Compound and Theory Investigation;新型偶氮化合物非线性光学性质及理论研究
相关短句/例句

new chemical substance新化学物质
1.A Study on the generic name of new chemical substance;新化学物质类名的命名研究
2.Through analyzing the characteristics of the contents for the notification and the procedure of examining and approving the new chemical substances,the positive effects and the important role of the notification system have been reviewed.通过分析新化学物质申报的内容、审批程序等方面的特点,详细阐述了实施新化学物质申报审批制度对化学品环境管理的积极影响及其在化学品管理中的重要地位。
3.The status of new chemical substance management in China and US are introduced briefly.简要叙述了中美两国新化学物质管理的基本情况,分别从管理原则、管理范围、管理具体要求、申报种类、评审程序、监督管理等方面重点论述了中美新化学物质管理制度的特点。
3)generic name of new chemical substance新化学物质类名
1.A Study on the generic name of new chemical substance;新化学物质类名的命名研究
4)chemical name of new chemical substance新化学物质化学名称
5)chemical[英]['kem?kl][美]['k?m?kl?]化学物质
1.Relationship between chemicals in chestnut buds and chestnut gall wasp resistance;板栗芽内化学物质与抗栗瘿蜂的关系
2.Effects of Chemicals Spraying Before Flue-curing on Quality of Upper Leaves of Flue-cured Tobacco烤前喷洒化学物质对上部烟叶品质的影响
3.Assessment of the environmental fates of chemicals can be facilitated by the application of mathematical models which describe the partitioning, transport and transformation processes of the chemicals in the environment.这种模型利用了逸度之概念,已被成功地用于描述化学物质在全球、地区及局部环境(包括湖泊、河流、污水处理厂,植物和土壤等)中的行为。
6)chemical substance化学物质
1.The relationships among the selectivity of Didesmococcus koreanus Borchs,branch physical structure and chemical substance in the eight host plants and D.采用笼罩法研究了朝鲜球坚蚧对8种寄主的选择性及其与寄主枝条物理结构、寄主和蚧体内化学物质间的关系。
2.The larvae of Anua indiscriminata Moore were fed with the leaves of different eucalyptus varieties respectively and the chemical substances in their leaves were assayed in the laboratory.在室内用不同桉树品种叶片分别饲养同安钮夜蛾(Anua indiscrim inataMoore)幼虫,并测定它们叶片内的化学物质。
3.In this article, the author clarifies the relationships between plant,plant-eating insect , and its natural enemy from two aspects---the change of chemical substances in plant after its being harmed, and the information elements of insect.植物、植食性昆虫、天敌三营养系统中相互作用 ,协调进化 ,其中化学物质的变化起着极为关键的作用 。
延伸阅读

海洋中化学物质的循环海洋中化学物质的循环kinetics of chemical substances in the ocean  海洋资源学824匾随豁眠世醑姆枯啦*薛姆水箭≈富特辫,妒水,爆霹,氓嗣,掣嗣捌科埘螺霉扑晕haiyangzhong huaxue wuzhi de xunhuan海洋中化学物质的循环(kinetics of cllenlical Substanc-es in theoc~)海水长时期地处于与大气圈、生物圈和岩石圈相互作用之中,化学物质(包括可溶性盐类、颗粒物质以及气体)可以通过多种途径进人海洋。反之,海洋中的化学物质也可以有许多渠道被移出海洋。下页图表示元素在通过地慢、地壳、河流、大气、海洋的全球大循环中海洋循环作用的断面图解,图中可以清楚地看到,化学物质通过河流、大气(风力、沉降、降水)、火山喷发、海底热液、海水/沉积物界面的相互作用,以及海水中生物活动等渠道进人海洋。另外,通过重力沉积、化学沉积和生物沉积,会有相当一部分在海水中的化学物质进人沉积相,在大气/海水界面因挥发作用以及海洋表层由于波浪的破碎作用形成气溶胶而使化学物质重新回到大气。 由于海洋在总的化学组分上处于稳定状态,因此,可溶性组分通过不同来源输人海洋的速度与它们输出海洋的速度应基本上处于动态平衡之中,同时,全球沿岸河流输入海洋的可溶性组分是主要的,其数量可达每年4x1)吨。 (余国辉)