铋的

In the alkali-boron-silicon system basic fluxing agent,we use the combined effects of alkali metals,alkali earth metals and admixture s to replace lead,in order to produce environment-protecting unleaded fluxing agent for overglaze colors with low bismuth.

在碱-硼-硅系统基础熔剂中引入外加剂，通过多种碱金属、碱土金属及外加剂等复合效应来代替铅在熔剂中的作用进而研制低铋环保型无铅熔剂。

The phosphate, vanadate and bismuthate contained glasses are promising candidates for the substituting of the lead glasses currently most used by the electronic pastes.

磷酸盐、钒酸盐、铋酸盐玻璃体系是目前含铅低熔玻璃的取代物。

It is studied further that the dissolubility of the bismuthous sulfide in the solutions of the non-oxidative strong acid through the experiment by means of chemical thermodynamics.

运用化学热力学基础理论和方法研究了硫化铋在无氧化性强酸和可溶性碱金属卤化物溶液中的溶解性。

The large tantalum niobium tungsten ore pertains to the fine-grained granite deposit of albite muscovite. The useful minerals mainly consist of wolframite and scheelite, and a small number of tantalum niobite, fine spar, tantalum aeschynite, beryl, and bismuth, etc.

该大型钽铌钨矿为细粒钠长石化白云母花岗岩矿床，主要有用矿物为黑钨矿、白钨矿及少量的钽铌铁矿、细晶石、钽易解石、绿柱石和辉铋矿等。

Objective To observe the clinical value of famotidine and pectic bismuth plus kalamycin and amoxicillin for the treatment of digestive ulcer with positive helicobacter pylori.

目的 观察法莫替丁、果胶铋、克拉霉素和阿莫西林联合治疗幽门螺旋杆菌阳性消化性溃疡的临床价值。

The processing principle for the preparation of tribasic lead sulphate from bismuth hydrometallurgy waste residue by ammonium hydrogen carbonate transformation-nitric acid leaching-lead deposition with sulphuric acid-sodium hydroxide synthesis is introduced.

介绍了铋冶炼浸渣采用碳酸氢铵转化—硝酸浸出—硫酸沉铅—氢氧化钠反应合成三碱式硫酸铅的工艺原理。

The mineral resources which are proved to be worthy of exploitation include antimony, plumbum, iron, zincum, magnesium, tungsten, molybdenum, bismuth, cuprum, cobalt, nickel, cadmium, thallium and argentums.

现已探明具有开采价值的矿藏有锑、铅、铁、锌、镁、钨、钼、铋、铜、钴、镍、镉、铊、银等金属和稀有金属矿，还有石墨、硅石、滑石、石英、石膏、花岗岩、耐火粘土等非金属矿。

Special metal material and products, such as high-hardness steel plate, copper-coated steel wire, copper-coated aluminum wire, Bi-Sn alloy, Al-Ti alloy, W-Mo alloy, W-Cu alloy, Br-Cu alloy etc.

特殊金属材料，包括超硬耐磨钢板、铜包钢线材、铜包铝线材，及针对特殊用途的合金材料和制品，如铋锡合金、铝钛合金、钨钼合金、钨铜合金、铍铜等。

Main mineral resources are tungsten, tin, bismuth, molybdenum, copper, iron, tantalum, niobium, lead, zinc, gold, cobalt soil, Beryl, Ying Dan, K-feldspar, quartz stone, marble, crystal stone, kaolin, etc. 48 Species, groundwater resources of the main hot water mineral water, hot spring spa resort with 13, Chung, about 1,400 cubic meters, the highest temperature of 70 degrees Celsius, with weak radioactive radon and useful elements of the human body, there are important medical value .

矿产资源主要有钨、锡、铋、钼、铜、铁、钽、铌、铅、锌、黄金、钴土、绿柱石、莹石、钾长石、石英石、大理石、水晶石、高岭土等48种；地下水资源主要有热水各矿泉水，温泉风景区热水泉眼有13处，日涌量约1400立方米，水温最高70摄氏度，含弱放射性氡和对人体有益元素，有重要的医疗价值。

Hard, brittle, and lustrous, it has a distinctive gray-white colour with a reddish tinge.

铋性硬、脆、有光泽，颜色灰白并带独特的浅红色彩。

I urge any American living outside the country to get an early start checking his/her registration and receiving an absentee ballot, because it can take a while.

我奉劝身在国外的所有美国人早点着手核对登记表，并接收缺席选举人票，因为这得花点时间。

He is too young to join the army.

他太年轻了，还不能参军。