有用元素

有用元素为Cu、Au。

Useful elements are of Cu and Au .

从粉煤灰中提取有用元素的研究

Study on extracting useful elements from fine coal ash

我国钨矿资源丰富，与其伴生的有用元素多达十几种，其中伴生银的含量一般可达n×10g/t，普遍具有综合利用价值。

The resource of tungsten deposit is abundant in China . There are more than 10 types of useful accompanying elements in deposit , one of them is accompanying silver , which content is n × 10g / t.

硅是一种用于制造电子元件的有用元素。

Silicon is a useful element for making electronic devices .

广东莲花山钨矿床中分散钨赋存情况及有用元素综合利用的研究

A study on the occurrence of dispersed tungsten and comprehensive utilization of useful elements in Mount lotus , Guangdong

同时，城市污泥中的有机质和有用元素含量高，是一类可利用性极高的二次资源。

Whereas there are some organic and useful elements in sewage sludge and made it an available resource for secondary utilization .

高磷鲕状赤铁矿是一类典型的难处理矿石，该矿石含有多种有用元素和主要有害元素磷，采用常规选矿及焙烧工艺难以有效实现磷铁分离实现多元素综合利用。

The high phosphorus oolitic hematite is a typical refractory ore and it is difficult to separate Fe from P in the ore when using conventional beneficiation process .

对经过焙烧，且钴、铜、镍、钼、铋等有用元素基本已浸出的某含金多金属矿石浸渣，进行了硫脲浸金试验。

Thiourea leaching of the gold-bearing polymetallic ore after roasting and removing some metal elements such as copper , cobalt , nickel , molybdenum and bismuth was explored .

通过对矿床的研究得出以下结论和认识：铅锌元素含量特征：铅锌是矿床的主要有用元素。

Through the study of the deposits , the following is conclusions summary : Lead and zinc element content characteristic : the main useful elements are Lead and zinc .

通过复垦、作为井下填充材料、提取有用元素等方法对尾矿进行综合利用，可以实现生态矿区的建设；

Through reclamation , being under well filled material , drawing the useful element in tailings , etc. method , we can realize the ecological construction of mining area .

石煤中主要有用元素为硅和钒，现行的工艺只提取石煤中钒，很少关注硅且钒的提取率不高。

The main useful elements in stone coal were silicon and vanadium . The current technologies only extracted vanadium from stone coal with low recovery , and rarely comprehensively extracted silicon .

恒定的电磁力也可依附有用元素或矿物本身电、磁性质的不同而出现成矿元素的富集、共生的矿物组合和纵横向的分带序列。

The invariable electro-magnetic force caused metallogenic elements enriching , mineral assemblages compounding , and vertical or horizontal ore zonations appearing , since the useful elements or minerals having varied electro-magnetic behaviours .

目前，粉煤灰已广泛应用在建材、建工、筑路、农业等领域，但在有用元素回收方面，仍处于研究阶段。

At present , the fly ash has been widely used in building materials , construction engineering , road building , agriculture and other fields , but the recovery of a useful element , is still at a research stage .

这类地热系统在阐明地区构造活动性、地热资源形成、分布以及水－岩相互作用和有用元素富集成矿等方面均有着十分重要的意义。

This sort of geothermal system is of significant importance in understanding the tectonic activity , the formation and distribution of geothermal resources as well as the water rock interaction and the concentration of ore forming elements in the study region .

国内主要利用重选、磁选、浮选、化学选矿联合工艺流程回收铁、铜、金等尾矿中的有用元素，利用废石、尾矿作建筑石料或加工制造砖、混凝土、陶瓷等建筑材料。

The useful elements of iron , copper , gold were retrieved from tailings by gravity concentration , magnetic separation , froth flotation and chemistry of metal , bricks , concrete , ceramics and other building materials were made from tailings at home .

结构很有用&元素能够提醒您文档中必须出现的内容。

Structure is good & elements act as reminders of what must appear in the document .

我尝试模仿他同时通过观察他的比赛吸收一些对我有用的元素。

I have tried to copy him and pick up things from his game to take into mine .

集成的范围限于那些最重要的和最有用的元素和概念上。

The scope of the integration is limited to the elements and concepts that are most important and useful .

总是想要识别有用设计元素，避免制定人工难以执行的决策。

Always try to recognize useful design elements , and try to avoid decisions that make it artificially hard to do so .

注册是免费的，注册后可以访问一些更有用的API元素。

The process is free and allows you to access some of the more useful elements of the API .

粘土会有有用的营养元素。

Clay contains available nutrient elements .

这种变异了的泰伯利亚似乎和它的陆地同类不同，对人类没有任何积极意义（例如，吸取有用的矿物元素）。

This altered form of Tiberium does not seem to have any of the beneficial side effects of its land-based counterparts ( i.e.the leeching of useful elements ) .

铀的地球化学行为决定了它在地层中有良好的可动性，因而是一种有用的示踪元素，可以用来追索沉积体系演化过程中发生的许多重要地质事件。

The geochemical behaviors of uranium determine it has good moveability in formation . As and available trace element , uranium can be used to recollect the important geological events happened in the evolution course of depositional system .