查询词典 hydrogen fluoride

Shijiazhuang 050018, ChinaOxidation desulfurization via photocatalysis was investigated by using thiophene in xylol as the model compound, and hydrogen peroxide is used as the oxidant. The effects of hydrogen peroxide mass fraction, high shear agitation time, titanium dioxide mass on the desulfurization efficiency of FCC gasoline were also investigated.

以噻吩的二甲苯溶液作为FCC汽油的模型化合物，双氧水为氧化剂，研究了在光催化作用下，双氧水体积分数、高速均质时间和二氧化钛的加入量等工艺条件对脱硫率的影响，在适宜条件下，模型化合物的脱硫率可达到80%以上。

The mechanism of permeation of hydrogen permeation barrier at 700*C on the surface of zirconium hydrogen is studied.

研究了氢渗透阻挡层在700℃的阻氢性能。

The results show that it is difficult to melt Zr into the alloys,but it makes grain refinement and formation of Mg_2Ni phase of the alloy to improve hydrogen absorption performance.The PCT results show that hydrogen absorpt...

利用PCT测试仪测定了合金的储氢性能，结果表明：添加Zr元素的添加能有效降低Mg2Ni的吸放氢温度，并能有效提高提高合金的吸氢量，最高吸氢量达到4.91wt%。

In hydrogen peroxide group, 3% hydrogen peroxide、anti-virus and acesodyne were used, while in combined therapy group, additional 2% Lidocaine was used. Then the cure time and the effective rate were observed.

过氧化氢组采用3% H2O2加口服抗病毒、止痛药，而综合组在对照组的基础上加用2%利多卡因湿敷口内粘膜，观察各组的治愈时间和有效治愈率。

An aciduric mutant with steady hydrogen-producing capability, which was able to grow at acidic pH of 3.0, was obtained. Its capability of hydrogen production was measured in the batch culture experiment.

结果筛选到一株遗传性状稳定的高产氢突变株，具有良好的耐酸性，在pH值3.0时仍能生长。

In order to obtain highly efficient H_2-producing aciduric anaerobic strain, a hydrogen producing strain H-8 was irradiated by microwave, the microwave mutagenesis parameters were optimized, and the genetic stability, hydrogen-producing potential and acid resistance of the mutant were investigated.

为获得厌氧产氢菌的高效突变株，以产氢菌H-8为原始菌株进行微波诱变处理，对微波诱变参数进行了优化，考察了突变株的遗传稳定性、产氢特性及耐酸性。

If a water molecule settles down next to an adatom, one of the water's hydrogen atoms can jump to the adatom, making two oxygen-hydrogen pairs complete.

如果一个水分子平息旁边的一个原子，一个水的氢原子可以跳转到的原子，使两个氧氢对完成。

New sulfonyloxadiazolones have the formula, in which A stands for hydrogen, sulphur,-SO-,-SO2- or a group, in which R stands for hydrogen or alkyl; R stands for optionally substituted cycloalkyl, cycloalkenyl or aryl; and R stands for optionally substituted alkyl, alkenyl, dialkylamino or aryl.

本发明涉及式新的磺酰基__二唑酮，其中，A代表氧、硫、－SO－、－SO 2 －或基团，其中R 3 代表氢或烷基；R 1 代表任选被取代的环烷基，任选被取代的环烯基或任选被取代的芳基；和R 2 代表任选被取代的烷基，链烯基，二烷基氨基或芳基。

There is an allotropic change temperature (1155K) for pure Ti and it is a hydrogen-absorbing metal for different solubility in a-phase titanium and 3-phase titanium. The hydrogen atom dissolves in lattice and occupies tetrahedron interstitial position, and then forms TiH2 sublattice of face-centered cubic.

钛是－种具有同素异型转变点T(1155K)的吸氢金属，氢在α钛和β钛中有不同的溶解度，在T以下易形成具有面心立方晶格结构的TiH2，氢原子溶解在晶格中，占据四面体间隙位。

The total radiative loss include the sum of every possible transition between two levels under the atomical models of hydrogen (4 level + 1 continuum), ionized calcium (5 level + 1 continuum), and magnesium (3 level) beside the contributions from nagtive hydrogen of f-f and f-b tranditions.

并将辐射损失速率与非热电子束轰击和软x线作用下的产能率作了比较，结果表明：耀斑不同时刻的色球辐射损失变化可达一个量级以上；耀斑脉冲相前后电子束加热相当有效；耀斑强度极大时，电子束轰击和软x线加热都有作用；耀斑主相时，软x线加热更能有效地平衡辐射损失。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48