1、

Tap water is never chemically pure.

自来水从来不是化学上的纯水。

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2、

The Investigation and Analytical Application of Luminol Electrogenerated Chemiluminescence System with Chemically Modified Electrode

化学修饰电极在鲁米诺电化学发光分析中的应用研究

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3、

Caution: Direct contact with liquid may cause chemically-resistant clothing to freeze, become brittle and crack.

警告: 同液体的直接接触会导致化学防护服冻结 、 变脆和破裂.

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4、

Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats

碳、氢、氧化合形成碳水化合物和脂肪。

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5、

Two kinds of chemically modified barks ( FMB and EMB) were made by cross-linking bark with formaldehyde and epichlorohydrin, respectively.

通过甲醛和环氧氯丙烷交联马尾松树皮,得到两种改性树皮:甲醛改性树皮(简称FMB)和环氧氯丙烷改性树皮(简称EMB)。

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6、

AIM To observe changes in contents of malondialdehyde ( MDA), SOD and NO during photo-chemically induced thrombosis in the rat's brain, and to study mechanism of EFH in protection of its brain.

目的探讨光化学法诱导大鼠脑血栓形成中丙二醛(MDA),NO和SOD含量的变化及水蛭提取物(EFH)对其脑组织保护作用的机理。

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7、

Infra-red Spectrum Analysis for the Hydration Process of Cement Pastes with Chemically Activated Manganese Slag at Early Age

化学活化锰渣-水泥复合体系早期水化过程的红外光谱分析

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8、

The use of chemically-methyl phenol and chloroacetic acid to synthesize methyl phenoxy acetic acid.

利用化学方法将间甲基苯酚和氯乙酸合成为间甲基苯氧乙酸.

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9、

Electrolysis fixed product resolved in solution of CO_2 were identified using HPLC method and chemical tests, which revealed that reduced products are polar matter and chemically active.

化学检验方法及高效液相色谱法(HPLC)对溶解在溶液中的CO2还原产物进行初步分析表明产物为极性物质,化学性质活泼。

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10、

As a radiative and chemically active gas, methane can increase the temperature in troposphere with a larger effect of 20-60 times over that of carbon dioxide.

甲烷是一种辐射和化学活性气体,会使对流层大气产生增温效应,作用比二氧化碳大20~60倍。

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11、

However, most of metal is chemically active and easy to be corroded by oxygen in the air or other corrosive media.

大多数金属因为化学性质较活泼,容易被空气中的氧气或者其他腐蚀性介质氧化而发生腐蚀。

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12、

The preparation of new chemically active and bioactive polymers.

新型化学活性与生物活性聚合物的制备。

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13、

Therefore, butoxy in n_butanol can be adsorbed chemically on the surfaces of the tourmaline particles in the process of azeotropic distillation, which can effectively prevent the formation of liquid_bridge between the particles of tourmaline and avoid the hard aggregation in the drying process.

正丁醇中的丁氧基在共沸蒸馏过程中在电气石颗粒表面可取代羟基,产生化学吸附,能有效防止液桥的产生,阻止干燥过程中超细粉末的硬团聚。

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14、

All chemically pure art has this power to act upon us quickly and intensely.

一切有化学纯度的艺术都具备这种迅速而强烈地影响我们的力量.

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15、

Herbicide-resistant crops , for example, allow weeds to be killed chemically , rather than plucked manually.

就拿 抗 除草剂作物( Herbicide -resistantcrops)来说,与其依靠化学剂来除草, 还不如用人工的方式拔除.

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16、

Electrochemical Behavior of Europium Ferrocene Derivative Coordination Complex Chemically Modified Electrodes

铕-二茂铁衍生物配合物修饰电极的电化学行为

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17、

Intermediate mass dilepton production in a chemically non-equilibrated quark-gluon matter

化学非平衡夸克-胶子物质中等质量双轻子的产生

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18、

Chemically sharpened single-use hooks are higher grade and sharper, but also more expensive.

化学研磨单次使用的鱼钩更加高级和锋利, 不过比较贵.

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19、

Terpenoid compounds from aromatic plants have been found to inhibit asparagine synthetase. Chemically synthesized 1,4-cineole derivatives display a degree of weed control activity.

在芳香族植物中发现单萜化合物有抑制天冬酰胺合成酶的作用,化学合成1,4-桉树脑衍生物也有一定除草活性。

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20、

The growth by Molecular beam epitaxy ( MBE) enables the realization and control of atomically flat and chemically abrupt heterointerfaces.

分子束外延(MBE)能够实现原子量级浮动和化学成分突变的异质界面。

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