查询词典 a chemical element

Dichloride:a chemical compound containing two chlorine atoms bound to another element or radical.

二氯化物：由两个氯原子与另一个元素原子或基团结合形成的化合物。

Positive such as all compound combine to°from the chemical element of so, all art relate to combine of factors such as lines, space, shape, material and color etc. or organization, unless theoretically study, these basic factors never isolatedly present a fictile factor of decorate skill.

正如所有化合物都是由化学元素组合而成的那样，所有的艺术都与线条、空间、形状、材料和色彩等因素的结合或组织有关，除非在理论上探讨，这些基本因素从不孤立地显现可塑因素的装饰手法。

A macro and micro and chemical element analysis was made on fracture of ruptured coupling bolts,torsion test was performed and stress analysis and calculation were made,the results show that when the steam turbine had failure,MP-LP rotor coupling bolts and generator-exciter rotor coupling bolts failure were classified as overload shear fracture with partial deformation .

对215MW汽轮机断裂的对轮螺栓做断口宏观、微观分析，化学元素分析，扭转试验及受力分析计算，结果表明汽轮机组在事故中，中压-低压转子对轮螺栓和发电机-励磁机转子对轮螺柱的失效类型为：过载剪切断裂，同时局部挤压变形，这是由于事故过程中轴系受到冲击扭矩作用而引起的。

Oxygen is a colorless,taseteless,odourless,gaseous chemical element.

氧气是一种无色，无味、无臭的气体状的化学元素。

Group in the periodic table there are silver-white metallic luster of the solid metal transition element, atomic number Z = 26, atomic weight of 55847, chemical symbol Fe, there is a stable F isotope 5626Fe and a radioisotope 5526Fe, content of 5% of the earth's crust, accounting for elements of in the fourth place, the metal in the second melting point 1535 ℃, boiling point 2750 ℃, the relative density of 786, the external electronic structure 3d64s2, chemical reactions 2-6 tram F-volatile son, oxidation number of 0, 2, 3, 4 , 5 and 6, the chemical nature of the metal element is very lively, in the humid air combined with oxidation, but also directly with the sulfur, phosphorus, silicon, carbon together.

周期表中Ⅷ族有银白色金属光泽的固体金属过渡元素，原子序数Z＝26，原子量55847，化学符号Fe，有一种稳定F同位素5626Fe和一种放射性同位素5526Fe，地壳中含量5％，占元素中第四位、金属中第二位熔点1535℃，沸点2750℃，相对密度786，外围电子结构3d64s2，化学反应时易丢失2—6个电F子，氧化数为0、＋2、＋3、＋4、＋5和＋6、化学性质很活泼的金属元素，在潮湿空气中能与氧化合，也能直接与硫、磷、硅、碳化合。

It can cause a series of observation effects, such as star-spot activity, optical flare events, the uneven distribution of the chemical element abundances, stellar wind, the changes of the orbital period and the chromospherically activities.

它能引起一系列的观测效应，如光球表面的黑子活动、光学耀斑事件、化学元素丰度不均匀分布、星风、双星系统的轨道周期变化和色球活动等等。

Pass the method that designed a layer of heavy chemical element plasma in the outer circle of the D-T plasma , making the time extension of the thermonuclear fusion reaction .

通过在氘氚等离子体的外围设计一层由重元素离子组成的等离子层的办法，使热核聚变反应的时间得以延长。

The cellular structure, chemical characterization of foliar endodermis and element cellular distribution were investigated in Pinus bungeana leaves by the fluorescence microscope, Fourier transform infrared microspectroscopy and energy-dispersive X-ray analysis.

应用荧光显微技术、傅里叶变换显微红外光谱分析、扫描电镜及X-射线能谱微区分析等手段，对白皮松子叶、初生叶及2 a生针叶内皮层细胞径向壁的显微结构特征、化学成分，以及在叶子横切面上Na和Cl的微区分布进行分析。

Besides,we are equipped with NC machining center,CAD valve design center,sophisticated NC equipments,Plasma arc powder built-up welding machines,efficient machining equipments etc.,and facilities for material tests,chemical element analysis,nondestructive tests,ultrasonic scald,mechanical property,and spectral analysis,as well as a team of professionals.

拥有CAD阀门设计中心、先进的数控设备、等离子弧粉末堆焊机，高效加工专用设备等，同时建有材料化验、化学成分分析，无损检测，超声波探伤，力学性能，光谱分析等检测设备和专业人员。

The article with the element mechanical computation is exemple, put forward the train of thought that reseau of software of a chemical computation changes.

梗概： 本文以分子力学计算为例，提出了一个化学计算软件网格化的思路。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。