基本的无机化学要求理解每个题目被提出，因此章的内容被容易理解。
Basic inorganic chemistry required for the understanding of each topic is presented so that the content of the chapter is readily understood.
基于化肥的农业化学要求讨论和评价缓释氮肥：（1）缓释氮肥的农业化学特点及其肥效；
Slow release nitrogen fertilizers are discussed and evaluated in view of agrochemical considerations: (1) the agrochemical features and the efficiency of slow release fertilizer;
你可以要求给你的自来水做化学分析。
她告诉BuzzFeed新闻，她的大一化学课要求她使用麦格劳·希尔公司提供的Connect系统，学生可以在该系统中提交作业、参加考试并跟踪他们的成绩。
She told BuzzFeed News that her freshman chemistry class required her to use Connect, a system provided by McGraw Hill where students can submit homework, take exams and track their grades.
特殊应用场所要求可与“布莱迪公司”化学密封产品配合使用。
For special application, "Brighty Instruments" chemical seal product should be used along with.
有些宣传语并不是法律规定的——比如，你知道吗？标签上以香氛开头的产品可能误导消费者，因为它们并未被要求必须标明所含的所有化学物质。
Certain claims are not defined by law - for instance, did you know that labels stating "fragrance" may be misleading because they are not required to specify any of the chemicals used in them?
—有些宣传语并不是法律规定的——比如，你知道吗？标签上以香氛开头的产品可能误导消费者，因为它们并未被要求必须标明所含的所有化学物质。
Certain claims are not defined by law - for instance, did you know that labels stating "fragrance" may be misleading because they are not required to specify any of the chemicals used in them?
流苏坎皮恩是一种真正的森林栖息地专家，要有非常高的土壤、化学和光照条件才能茁壮成长，只有佛罗里达和佐治亚州的37个地区符合它的要求。
A true habitat specialist of the forest understory, the fringed campion requires very specific soil, chemical, and light conditions to thrive, and occurs in only 37 locations in Florida and Georgia.
他的离去可以为Karunanidhi先生的儿子与侄孙腾出位子，他们可能要求纺织部长及化学与原料部长的职位。
His exit would make room for Mr Karunanidhi's son and grandnephew, who may claim the ministry of textiles and the ministry of chemicals and fertiliser.
在基地外面，许多旗子写着要求美国说出他们使用橙剂这类有毒化学物，和补偿受害者的有关真相。
Outside the base, banners call on the United States to tell the truth about the use of toxic chemicals such as Agent Orange and to compensate victims for damages.
“如果无需隐瞒，那为什么他们对于披露使用的化学品的要求那么恐惧呢？” 美国落基山地区野生动植物联合会副会长史蒂文??
“If they’ve got nothing to hide, why is the industry so paranoid about disclosing their chemicals?” asks Steve Torbit, executive director of the National Wildlife Federation’s Rocky Mountain region.
对于涉及处理石油、液气态化学品的港口，则要求每两年进行一次检查，同时还要建立紧急预案并进行演习。
Ports that handle oil, liquefied chemicals and gases are now required to carry out checkups every two years, as well as to come up with emergency response plans and to conduct drills.
科学家们从2002年就发现一些食品含有这种化学物质，并已强烈要求食品工业减少这种化学物质的含量。
Scientists have known since 2002 that the chemical exists in certain products and have urged the food industry to reduce levels.
这项研究表示，自来水公司会按要求每年向客户提供年度水质报告，包括部分照片，但他们没有提供关于法律限定之外化学物质的任何信息。
The annual water quality reports that utilities are required to send customers provide a partial picture, the study says, as they contain no information on unregulated chemicals.
只有五个州要求他们向公众披露所使用的化学物，但这种披露程度有限，而且披露要求也不统一。
Only five states require public disclosure of the chemicals used, and only to limited and varying degrees.
在他的课题中他敦促人们在请愿书上签名要求严格控制或全面禁止一种叫“一氧化二氢”的化学物。有大量好的理由，因为；
In his project he urged people to sign a petition demanding strict control or total elimination of the chemical "dihydrogen monoxide. " And for plenty of good reasons, since.
我们学校要求生物学、物理学以及化学都要学满一年。
My school requires one year of study each of biology, physics and chemistry.
耐火砌泥的物理及化学参数以及粒度分布应该满足表28中指定的要求。
Physical and chemical parameters and grain size composition of mortar shall meet requirements specified in table 28.
这个标准涵盖采用液状粘固剂进行底漆连接的要求，适用于PV C管道和连接件连接化学熔化。
This standard covers the requirements for primers to be used in conjunction with solvent cement for the chemical fusion of PVC pipe and fitting joints.
要符合这个标准下的特殊材料分类，需要满足一系列最低物理和化学性能要求。
Conformance to a particular material classification in this standard requires meeting a number of minimum physical and chemical properties.
铝合金因其独特的物理、化学性能对mig焊有特殊的要求。
Al - alloys have special requirements on MIG welding due to their unique physical and chemical properties.
因此，次磷酸钠为还原剂的化学镀铜工艺更适宜应用于对导电性要求相对较低的行业。
Therefore, the deposit using sodium hypophosphite as reductant was more suitable for the industries which had a relatively low requirement on conductance.
她说，她最喜欢的经历就是当学生们理解一个化学过程或要求她做更多实验的时刻。
What she loves best about her experience, she says, is the magical moment when students understand a chemical process or ask her for more exercises.
她说，她最喜欢的经历就是当学生们理解一个化学过程或要求她做更多实验的时刻。
What she loves best about her experience, she says, is the magical moment when students understand a chemical process or ask her for more exercises.
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