through comparing with important evaluations, such as bromine number and kinetic viscosity, the catalyst is appraised.

1、

determination for the bromine number of benzole products

GB/T1815-1997苯类产品溴价的测定

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2、

testing method for bromine number of petroleum product ( colorindicator method)

石油产品溴值测定法（指示液滴定法）

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3、

you want to be able to select items on a web page for copying to the atom feed, so you need to augment the context menu ( accessed whenever you right-click a web page).

您希望能够在Web页面上选择进行复制的项目，因此您需要扩展上下文菜单（右键单击Web页面可访问上下文菜单）。

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4、

financial markets may still react in an orderly way to such an outcome, if the risks of a hard landing or an inflationary spiral do not materialize.

如果硬着陆或螺旋通胀的风险没有实现的话，金融市场也许还是会有序的应对可能的结果。

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5、

study on operational mode of multi-function balance traction transformer

多功能平衡牵引变压器运行方式研究

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6、

a numerical algorithm about the second cable common mode disturbance of electric traction substation

电力牵引变电所二次电缆共模干扰的数值算法

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7、

study of mode of traction in shoulder-circuit locomotive routing

肩回交路下机车牵引方式的研究

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8、

static high-pressure method is the main technique to synthesize diamond in industry.

静压法是当前工业合成金刚石的主要的合成手段。

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9、

according to the reality that it has no bore for in and can not dismantle, by making reference the relative standard and rule, this article puts forward the way and technics of repairing to leakage at high-pressure heater main body in power plant.

结合高压加热器无人孔不能拆卸的实际情况，参考相关的规程、标准，提出了电站高压加热器筒体损伤泄漏部位的修复方法和工艺。

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10、

cause analysis of unsmooth blockage occurred on high-pressure main steam valve of steam turbine and preventive measures thereof

汽轮机主汽阀卡涩原因分析及防范措施

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11、

analysis and remedy of valve stem leakage for high-pressure main steam valve of 300 mw unit

300MW汽轮机组高压主汽阀杆漏汽分析及处理

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12、

cause analysis of inner-wall cracking on high-pressure main steam valve's shell

N300-16.7/538/538型汽轮机高压主汽阀壳内壁开裂原因分析

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13、

development and design of high-pressure main heat exchangers in air separation plants employing internal compression process

内压缩流程空分设备高压主换热器的开发与设计

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14、

analysis of bolt fracture failure for high-pressure main stop valve of turbine

汽轮机高压主汽门螺栓断裂失效分析

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15、

Yet it costs much less than the MacBook Air and X300, with the tradeoff being a bit more bulk.

但是，它比MacBookAir和X300要便宜得多，只不过比它们稍微笨重一些。

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16、

The company also introduced a restyled version of its ultrathin MacBook Air notebook.

苹果公司还推出了新款超薄MacBookAir笔记本电脑。

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17、

For instance, like the Apple, they lack internal DVD drives and removable batteries, things that will bother some folks.

举例而言，和MacBookAir一样，它们都没有内置DVD光驱和可拆卸电池，这会让一些用户感到不便。

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18、

Its latest models, like the new, light MacBook Airs, have extraordinarily good battery life.

最新的苹果机型，比如轻薄的新款MacBookAir，电池持航能力是非一般地强大。

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19、

Prospective buyers of the Series 9, however, should prepare to pay a lot -- more than what even premium-priced Apple charges for the Air.

然而，打算购买三星9系列的人可要准备支付一大笔钱了，它的价格甚至超过了走高端定价路线的苹果MacBookAir。

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20、

The evolution continues with models like the sleek, solid-state MacBook Air, which merge aspects of the tablet and the PC.

苹果电脑的进化还在MacBookAir笔记本电脑等产品上继续着，MacBookAir有着漂亮的外观和固态硬盘，它融合了平板电脑和个人电脑的特点。

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