金属元素

Sulfate was determined by the FIA function of automatic metallic elements analyzer developed by our laboratory after reacting with Ba(superscript 2+) to form an even, steady and turbid BaSO4 solution in acidulated media with glutin existed, the maximum absorbance of which is at 576 nm.

在明胶微粒存在的微酸性环境中，SO4(上标 2-)与Ba(上标 2+)反应生成均匀、稳定的BaSO4悬浊液，该悬浊液在576nm有最大吸收峰，而后利用本实验室研制的金属元素自动分析仪的流动功能进行SO4(上标 2-)的测定。

The first one concentrates on the effect of the metal element on the properties of the material.

全文分为两大部分：第一部分是研究无机部分金属元素的变化对材料性能的影响。

Results indicated that there exist great differences in the leaching behavior of heavy metals corroded in various media.

结果表明，在不同环境中SnAgCu无铅钎料及其舒焊接头的各金属元素浸出行为有较大差别。

It seems to be rational at first glance, however, this argument suffers from several critical fallacies.

在一些遗迹的壶附近发现的很多骨头都显示出这种金属元素的高含量。

Researching the occurrence characters of ore deposits, we found that the overlapping places or near districts of metallogenic factors, such as linear structures, ductile shear zones, circular structures, intrusting bodies, and alteration abnormal features are favorable for ore deposition

从区内已知的Au、Cu、Mo等矿床、矿点、矿化点及一些Au、Cu、Mo等多金属元素化探异常的产出特点看，本区的线性构造、韧性剪切带构造、环形构造、岩浆岩侵入体及蚀变异常等尽可能多的有利成矿信息的复合部位及附近，为成矿的有利环境或地段。

B、 In the laserablation study of composite materials composed of 〓 and ozonized〓 precipitate as well as metal fullerides 〓, endohedralmetallofullerenes of the type 〓 were formed in the positive ion channel. c、 Inthe laser ablation study of rhodium containing metal fulleride 〓, two sequencesof metallofullerenes were formed in both the positive and negative ion channels, with〓 and 〓.respectively.

在激光烧蚀金属富勒烯盐的实验中发现形成的金属富勒烯类型依赖于金属元素的性质、含量及金属富勒烯的制备方法：a、在〓的实验中观察到取代型金属富勒烯〓和〓正负离子的产生。b、在对含La和Y的富勒烯复合样品〓以及金属富勒烯盐〓的激光烧蚀过程中观察到金属内嵌富勒烯正离子团簇〓的产生。c、在〓的激光烧蚀实验中观察到两个系列金属富勒烯〓和〓的形成，在负离子通道中〓在正离子通道2n=48-56。

"Bismuth:a white, crystalline, brittle , highly diamagnetic metallic element used in alloys to form sharp castings for objects sensitive to high temperatures and in various low-melting alloys for fire-safety devices."

铋：白色、晶状、易碎、高度抗磁的金属元素，用于高温敏感物体的合金中，以铸成锋利物件，多种用于防火安全设施的低熔点合金。

The mathematical statistics in ore chemical composition show that the metal elements such as uranium and vanadium are related t.

矿石化学组分数理统计研究表明，铀、钒等金属元素与碳呈明显的正相关，反映了沉积环境具有蒸发盆地的特性，即泻湖体系。

The main production equipment: 3t EAF, 2t intermediate frequency furnace, 2.5m vertical lathe ,5-50t crane line, 2.5 * 3.6m coal-fired heat treatment furnace, 1 * 2m electric heat treatment furnace, metal element automatic analyzer, metallographic analysis Miriam, Flaw Detector.

主要生产设备：3t电弧炉，2t中频炉，2.5m立式车床，5-50t行吊，2.5*3.6m燃煤热处理炉，1*2m电气热处理炉，金属元素全自动分析仪，金相分析仪，探伤仪。

The metal element powders were mixed proportionally with ZrB2/ZrC/SiC ceramic powders in the cylinder mill, then the quaternary ZrB2/ZrC/SiC+Me ceramics were prepared by hot-pressing mixed powders.

将金属元素粉按一定配比与ZrB2、ZrC和SiC陶瓷粉末混合后热压制备了ZrB2/ZrC/SiC+Me 四元陶瓷，重点研究了四元陶瓷的密度、弯曲强度、断裂韧性、烧蚀性能以及烧蚀前、后的微观组织。

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。