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1·This laboratory has many new chemicals.

这个实验室有很多新的化学药品。youdao

2·She is very interested in chemical substances.

她对化学性的物质很感兴趣。youdao

3·We are learning chemical principles.

我们正在学习化学的原理。youdao

4·There are some chemical products on display here.

这里有一些化学制品展示。youdao

5·He studies the properties of chemicals.

他研究化学物的特性。youdao

6·This kind of chemical is very useful.

这种化学物品很有用。youdao

7·That scientist is excellent in the chemical field.

那位科学家在化学的领域很出色。youdao

8·We need more chemicals for the experiment.

我们需要更多的化学品来做实验。youdao

9·Chemical changes are very wonderful.

化学的变化很奇妙。youdao

10·These chemicals are of good quality.

这些化学药品质量很好。youdao

化学的

1·What's the chemical symbol for mercury?

水银的化学符号是什么？《柯林斯英汉双解大词典》

2·What is the chemical symbol for copper?

铜的化学符号是什么？《牛津词典》

3·A ban was imposed on the use of chemical weapons.

化学武器已被禁止使用。《牛津词典》

4·Any progress in reducing chemical weapons is welcome.

削减化学武器的任何进展都是受欢迎的。《柯林斯英汉双解大词典》

5·You can ask for a chemical analysis of your tap water.

你可以要求给你的自来水做化学分析。《牛津词典》

化学品

1·Fire spread rapidly after a chemical truck exploded.

一辆装有化学品的卡车爆炸后火势迅速蔓延开来。《柯林斯英汉双解大词典》

2·Traces of the chemical are often found in mouse and human urine, leading scientists to wonder whether the drug is being made naturally or being delivered by something the subjects consumed.

在老鼠和人的尿中经常可发现这种化学品的痕迹，科学家们不知道这药物是自然产生的还是从实验对象使用的某种东西中带来的。

3·Earlier this year, Denmark banned the chemical in food and drink containers for the under-threes.

今年年初，丹麦就禁止在三岁以下儿童使用的食品和饮料容器中使用这种化学品。

4·Some products can have traces of thiomersal when the chemical is used during the production process as an antibacterial agent, which is later removed during the purification process.

如果在生产过程中使用硫柳汞作为抗菌剂，然后在净化过程中清除该化学品，有些制品就可有微量硫柳汞。

5·Scientists have called for stricter controls on emissions of laughing gas, after discovering the common chemical poses a new threat to the recovering ozone layer.

在发现了笑气这种常见化学品对正在恢复的臭氧层构成新威胁之后，科学家们呼吁对笑气排放实行更为严格的管制。

化学性

1·Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.

食腐动物和细菌的攻击、化学性腐烂，以及侵蚀和其他地质作用的破坏，导致无法保存的可能性非常大。

2·Objective To evaluate the effectiveness of complex treatment of eye chemical burn.

目的探讨眼化学性烧伤综合治疗的效果。

3·Objective:To explore the preventive and therapeutic effects of compound grape seeds extracts(GSE) on chemical liver injury.

目的：探讨复方葡萄籽提取物（GSE）对化学性肝损伤的预防和治疗作用。

4·LDPE (Low Density Polyethylene) : Offers such advantage as tear strength and high chemical resistance. It is also waterproof.

(低密度聚乙烯)：具有以下优良性质：高撕裂强度，高耐化学性，防水性。

5·Methods: Limbal epithelial transplantation and alternative combination amniotic membrane transplantation were applied in the treatment of chemical burned cornea.

方法：采用角膜缘上皮移植和选择性联合羊膜移植治疗眼化学性烧伤。

化学物

1·Over the past week, more foodstuffs and beverages have been found to contain the chemical.

过去一周，发现了更多食品和饮料中含有这种化学物。

2·The investigation, he wrote, had been challenging because there were very few research labs able to test for the chemical later identified as the cause of the smell.

他在信中写道，检查遇到了困难，原因是，对于经调查确认造成这种气味的化学物，几乎没有实验室能够测试得出来。

3·The association did not name all 22 companies, but 22 is the same number of manufacturers whose milk products were found to have contained excessive toxic chemical.

该协会没有全部列出这22家公司的名称，但这22家公司正好是被查出产品含有过量有毒化学物的公司数量。

4·The chemical - curcumin - has long been thought to have healing powers and is already being tested as a treatment for arthritis and even dementia.

化学物-姜黄素-很久以来就认为具有康复能力并且早已开始试验用于关节炎和甚至痴呆的治疗。

5·Then comes the question, 'Since we cannot change the genes of people, can we do this trick with a chemical?' he asked.

这样又出现了一个问题，既然我们无法改变人类的基因，那我们能用化学物做到这一点吗？他问道。

化学药品

1·This chemical mimics the effects of emotional or physical stress by increasing the force of heartbeats and boosting the flow of blood in the body, which can lead to permanently raised blood pressure.

多巴酚丁胺这种化学药品通过增加心跳力度以及加速血液在身体中的循环来模拟情绪或身体压力带来的效果。

2·Be careful when you do the experiment with the toxic chemical.

用有毒的化学药品做实验的时候你要格外小心。

3·It seems that TSCA essentially establishes a presumption of safety, which EPA must overcome before it may require further testing of a chemical.

似乎《有毒物质管理法案》实质上确立了安全性的假定，在要求对化学药品做进一步检查之前，环境保护局必须证明这个假定。

4·Researchers have devised clever new techniques to mimic the chemical marks on tightly wound DNA-protein complexes that silence gene expression.

研究人员已经发明了精敏的新技术，来模拟化学药品，在紧密结合的沉默基因表达的DNA -蛋白复合体上做标记。

5·Substitution of electrolysis for traditional oxidation method can result in a remarkable saving of chemical, and more importantly, pollution of air can be decreased.

用电解法代替传统的氧化法可以节约大量的化学药品，重要的是能降低对空气的污染。

化学制品

1·This substance can be reduced to a single chemical and oxygen by passing an electrical charge through it.

通电后，这种物质可以被分解为一种单一的化学制品和氧。

2·The survey questioned some 3,075 workers at a chemical company on their sleeping and working habits.

调查围绕睡眠和工作习惯对一家化学制品公司的约3075名工人进行了访问。

3·There, the cells will be injected onto plates striped with tracks of a chemical they like to adhere to.

在这些测试点，细胞将被注入他们喜欢粘附的一种化学制品跑道的条纹板里。

4·The chemical link to reproductive problems cannot be 100 percent proved, Santillo said, but the evidence of the link was growing stronger.

化学制品影响生殖健康问题不可能被100%的证实，桑提洛说，但是支持此间关系的证据越来越具有说服力。

5·It is believed the manufacturer used the chemical to give watered-down milk the appearance of having high protein levels.

据信，制造商用这一化学制品让稀释了的牛奶看上去含有高蛋白含量。

化学物品

1·The aim is simple: to find out if their products contain the cancer causing chemical recently found in some high energy drinks.

目标很简单：检验出他们产品中是否含有最近在一些高能量饮料中发现的致癌化学物品。

2·Improving regulation is a tortuous process, as new chemical rules show.

新的化学物品条例表明，完善管控过程曲折复杂。

3·Keep away from corrosive chemical, fire and high temperature, hard or sharp objects to avoid any damage.

避免接触有腐蚀性的化学物品，切勿近火或高温烘烤，避免接触硬、尖物，以免损坏；

(1)chemical industry化学工业

(1)chemical composition化学成分；化学组成

(1)chemical engineering化学工程

(1)chemical reactionn. 化学反应

(1)chemical products化工产品；化学产品

(1)chemical fertilizer化学肥料