查询词典 polarity

The ion implanter has an ion extractor and a mass analyzer for deflecting ions in a predetermined direction regardless of the charged state of the ions. A polarity converter changes the flux direction of a magnetic field in the mass analyzer according to the charged state of the ions.

该离子注入机具有：离子分离器；质量分析器，用于按照预定方向偏转由离子分离器导入的离子，而无论离子的带电状态如何；以及极性转换器，用于按照离子的带电状态来改变质量分析器中磁场的通量方向。

3Glass capillary gas chromatography is used in the analysis of n-paraffin distribution of the diesel,and according to the results of the cold filter plugging point test ,it is conclude that the impressibility of DFI to fuel is not only connected with the alkyl side chain and the polarity group of medicine oneself ,but also the n -paraffin distribution of the diesel ,the component ,technology and directions for producing of fuel and so on.

该方法具有合成线路短、产率高、成本低的特点；(3)通过使用毛细管气相色谱法测定柴油中直链烷烃的组成与含量，及柴油冷滤点(Cold filter plugging point 简称CFPP)的测定得出结论，DFI 对柴油的感受性不仅与药剂本身的烷基侧链、极性基团有关，也与柴油的直链烷烃的含量、馏分组成、加工工艺等有关。

Even those in the medium range polarity that believe that they are walking the middle path of unity such as the Arcturians or Pleiadians are really only suspended in such a path due to all other creations in extreme light or dark.

即使是那些处在中等极性范围并相信他们正走在统一的中道上的造物，比如大角星和昴宿星，事实上也只是由于所有其它造物都在极端光明或黑暗中，从而被悬置在这样一个道路上的缘故。

Terra has been manipulated into extreme darkness against other creations manipulated into extreme lightness, and yet others that are in the medium light to medium dark range of polarity as well.

Terra 已被操控进入到最极度的黑暗当中，好让其它造物被操控进入最极度光明，而另外一些造物进入中等光明到中等黑暗的极性范围。

Because the carbonyl in its structure is with strongly absorb-electron effect, so it is a kind of non-proton polarity solvent with high boiling point, high flash point and low melting point, use conveniently for many processing operation such as filtration, distillation, solvent extraction, and so on; it is with very low toxicity, so the harm to human body is inappreciable, and reduce the environment pollution; due to its very strong dissolvability, it can dissolve organic matter, inorganic matter, resin, polymer, etc., and activate all kinds of reagent, mix to dissolve the other high boiling point solvents; it is with very good stability, it is stable under the hot strong alkali and acidity condition, it is with water-resistance and light, oxygen stability.

246℃ m.p：—20℃闪点121℃ flash point： 121℃分子式：C6H12N2O molecular formula： C6H12N2O 分子量128.18 molecular weight： 128.18 二、DMPU的化学性质 Chemical character of DMPU 其结构中由于羰基具有强烈的吸电子效应，因而它是一种非质子的极性溶剂，具有高沸点、高闪点、低熔点，在过滤、蒸馏、溶剂萃取等工艺操作中使用方便；毒性极低，对人体危害微不足道，也减少了对环境的污染；由于它具有极强的溶解性，能溶解有机物、无机物、树脂、聚合物等，并对各种试剂具有活化性质，还能与其它高沸点溶剂混溶；具有极好的稳定性，在热的强碱和酸性条件下都很稳定，还具有耐水性及对光、氧的稳定性。

The poison activity, stomach toxicity action and nonselective food refusal activity of extracts and fractions obtained by extracting the stem of Mirabilis jalapa L against the 4th instar larvae of Pieris rapae L, with 3 polarity solvents（petroleum ether, chloroform and ethanol）were determined by the methods of feeding, leaf-sandwich and leaf dish.

用饲喂法、叶片夹毒法、叶磲法测定了紫茉莉茎的3种极性溶剂提取物及萃取物对菜粉蝶幼虫的毒杀活性、胃毒作用、非选择性拒食活性。

Karyokinesis as increasing, especially the emergence of asymmetry, multi-polarity and setback, such as pathological karyokinesis when they have a diagnosis of malignant tumors.

核分裂像增多，特别是出现不对称性、多极性及顿挫性等病理性核分裂时，对恶性肿瘤具有诊断意义。

In source collision induced dissocation technique was used to study atrazine and diazionon,two pesticides with low volatility,high polarity and thermal lability.

气相色谱法和气相色谱质谱法在农药残留分析中广为应用，但在分析热不稳定、强极性和难挥发农药时往往需要结合衍生法。

Some of the contrast－polarity quadrochromatic in high density, to increase the level of the relatively small density differential is large, and more high low profile levels and low relief, such as surface relief of color film, production should contrive such images of light and shade of the main level of coordination, you can get a better copy reproduce the effect.

一些中高密度反差的原稿，中调层次较少，密度级差较大，而高低调层次较多且平缓，如逆光拍摄的彩色片，制作时应想办法使这类图像主体调的层次明暗协调，即可取得较好的复制再现效果。

Magnetic storage technology works is by changing the polarity of the magnetic particles in the magnetic media to record data.

磁存储技术的工作原理是通过改变磁粒子的极性来在磁性介质上记录数据。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。