1、

What is the chemical symbol for copper?

铜的化学符号是什么?

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2、

The technology uses an electrochemical process to produce electricity.

这种技术利用电气化学反应发电。

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3、

You must be careful when handling chemicals.

接触化学药品必须小心谨慎。

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4、

The raw sewage is chemically treated.

未经处理的污水要进行化学处理。

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5、

He said chemical weapons had never been sited in Germany.

他声称从未在德国部署过化学武器。

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6、

We have literally altered the chemistry of our planet's atmosphere

我们确实改变了地球大气层的化学构成。

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7、

Chemical weapons are banned internationally.

国际上禁止使用化学武器。

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8、

Not all chemicals normally present in living organisms are harmless.

并不是所有常见于生物体中的化学物质都无害。

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9、

Protective gloves reduce the absorption of chemicals through the skin

防护手套可以减少皮肤对化学物质的吸收。

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10、

The technique has been to mutate the genes by irradiation or chemicals

该技术是通过放射线照射或者使用化学方法使基因变异。

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11、

Ultrathin organosilicon films were synthesized by chemical vapor deposition.

用化学气相沉积方法制备了超薄有机硅膜.

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12、

The physical and chemical interactions among the particles, gases and vapors are jncredibly complex.

颗粒物 、 气体和蒸汽之间的物理反应和化学反应是极为复杂的.

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13、

Bisphenol A, commonly known as BPA, may be among the world's most vilified chemicals.

双酚A(BPA), 也许是世界上最臭名昭著的化学品了.

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14、

Vermiculite belongs to 2∶1 style phyllosilicates clay minerals, with many excellent physical and chemical characteristics.

蛭石是属于2∶1型层状硅酸盐类粘土矿物, 具有优异的物理化学性能.

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15、

The features of environmental protection of crude vegetal paints and their applications are described.

介绍了合成化学油漆的环境危害及其解决措施;描述了天然植物油漆的环保特性及其应用.

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16、

Linear regression and artificial neural network usually used in the-variate calibration work in analytical chemistry.

分析化学中传统的多元校正通常采用线性回归或人工神经网络算法.

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17、

Worse still, most of these foods are loaded with fat, salt, and chemicals.

更糟糕的是, 大多数这类食品富含脂肪 、 盐和化学成份.

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18、

The woodwork has been treated with a new chemical.

这种木制品已用一种新的化学药品进行了处理.

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19、

ILK, α-SMA and Vimentin in renal tubular epithelial cells were detected by immunohistochemistry analysis.

免疫组织化学法检测肾小管上皮细胞α-平滑肌肌动蛋白(α-SMA)、波形蛋白(Vimentin)与ILK的表达.

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20、

The composition, basic properties and chemical reactions of Turkish valonia extract were discussed.

论述了土耳其橡栲胶的组成 、 基本性质和改性过程中常用的几种化学反应.

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