查询词典 manganese-aluminum

It was found that the dissolved manganese in the surface water is difficult to be removed by alum coagulation-sedimentation processes.

研究发现，单纯硫酸铝混凝对地表水中的锰几乎没有去除效果。

The water quality study was conducted in a section of the distribution system of Tegucigalpa, Honduras and evaluated the inuence of iron and PVC pipe materials on the concentrations of soluble and particulate iron and manganese, and determined the composition of scales formed on PVC and iron pipes.

在特古西加尔巴首都洪都拉斯输水管道的一个区域进行了水质研究和有关铁及PVC管材料对水中溶解的和颗粒性的铁和锰浓度的影响的评价，并确定了管网水在PVC和铁质管材的作用下形成的一系列化合物。

Metal mineral deposits are mainly gold, silver, copper, iron, lead, zinc, manganese, tungsten, chromium and so on, which is located in Tartu County Ditch Subei tungsten ore reserves in Asia first, large Gonchigdorj chrome ore reserves ranking third , the volume of gold mining were the first home in Gansu Province.

金属矿藏主要有金、银、铜、铁、铅、锌、锰、钨、铬等，其中位于肃北县塔尔沟的钨矿储量居亚洲第一，大道尔吉铬矿储量居全国第三，黄金开采量居甘肃省首们。

Hainan is rich in minerals, notably high-grade iron and tungsten, but also rich in titanium, manganese, salt, copper, bauxite, molybdenum, gold, silver, coal, cobalt, graphite, and crystal. Hainan's rich offshore fishing grounds provide shrimps, scallops, tuna, and Spanish mackerel, and pearls are harvested in the shallow bays surrounding the island.

海南富有矿物特别是高等级的铁和钨，也富有钛、锰、盐、铜、矾土、钼、金、银、煤、钴、石墨和水晶；海南岛拥有大量的渔场供应虾、扇贝、金枪鱼和马鲛鱼，同时在岛周围的浅海湾可以采集到珍珠。

As core element ,the increase of the content of manganese and cobalt can lead to lower resistivity, and a linear increase of B values.

锰钴作为材料的核心元素，其含量的增加可以导致样品电阻率降低，同时B值基本上呈线性增加。

Eastwards, the silver carriages of the world's most expensive railway rattle five times a week through his hardwood forests between Libreville, the capital, and Franceville, in his homeland, carrying loads of his manganese or piled high with his okoumé and ozigo logs, bound mostly for China.

向东望去，银色的车厢运行在世界上最昂贵的铁路上，每周五次往返于首都利伯维尔他的阔叶林和他的家乡弗朗斯维尔之间，托载着他的锰矿或高高堆起的他的奥古曼和蜡烛橄榄木材，大部分都将运往中国。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐