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In this paper, contrast flask bacterial tests of high arsenic gold concentrate with arsenopyrite type and pure arsenopyrite mineral showed that the pyrite in the concentrate promoted the efficiency of dearsenication rate of the mineral, it was significantly higher than pure arsenopyrite.

通过毒砂型高砷金精矿和单矿物纯毒砂的氧化对比摇瓶试验，发现由于金精矿中黄铁矿的存在促进了矿物的脱砷效率，脱砷速度明显高于纯毒砂。

By using competitive adsorption of activated carbom to remove unfavorable influence of carbon in carbonaceous gold concentrate on leaching process, the leaching rate of gold concentrate can be improved to 88% as compared with 10%by direct cyanidation.

本文论述了利用活性炭竞争吸附作用，消除含炭金精矿中炭在浸出过程中的影响，使金精矿的浸出率可由直接氰化的10％提高到88％。

The concentrate should be diluted 1 part concentrate to between 25 to 50 parts water.

在集中精力应稀释1款的一部分集中到25至50部分水。

boiler is a important power equipment,the require is to provide qualified vapour,let the amount of vapour maked by boiler suit for the load.because of this,every main parameter in the process of the product should be strict controlled.this paper is introduced same main control system in the process of boiler control、concentrate and disperse control system 、the characteristic and the develop of the MCGS compose status software.integrate with the technique of the boiler, discuss the single momentum, double momentum, three momentum boiler control system distinguishly.we think in the process of micro boiler control, three momentum control is the best choice,and has been well implemented in the water level mediation.further more,use the concentrate and disperse control and MCGS compose statue sofeware can achieve the control of the boiler,and can reach a fine effect..

锅炉是一个重要的动力设备，其要求是供给合格的蒸汽，使锅炉发气量适合负荷的需要。为此，生产过程的各个主要参数必须严格控制。本设计了研究锅炉控制过程的几个主要控制系统，以及集散控制系统和MCGS组态软件的特点和发展状况。结合锅炉的工艺情况，针对单冲量、双冲量、三冲量锅炉控制系统，对它们存在的利弊做出了比较和分析。结合生产实践，对三冲量的算法进行比较，认为在小型锅炉控制过程中，三冲量控制是最好的选择，并在水位调节中得到很好的应用。

Calves in group 1were fed by traditional model(power feed + guinea grass),fresh milk 4L/d and warm water, and were trained to ingest guinea grass freely; Calves in group 2 were fed with fresh milk 7L/d and warm water, and were trained to ingest pellet concentrate freely; Calves in group 3 were fed with fresh milk 7L/dand warm water, and were trained to ingest pellet concentrate added with yeast culture(20g/d). Calves in group 2 and group 3 were forbidden to contact guinea grass.

处理组1中犊牛按照传统模式饲喂，日哺喂鲜乳4L，饮温水，逐渐增加精料饲喂量，羊草在犊牛入舍后便训练其自由采食；处理组2犊牛日哺喂鲜乳7L、饮温水，自由采食颗粒精料；处理组3犊牛日哺喂鲜乳7L，饮温水，自由采食颗粒精料并禁饲羊草，在处理组2日粮基础上每日添加20g酵母培养物。

Leaching molybdenite concentrate with FeCl3 solution further remove impurities of lead,copper and calcium etc.in molybdenite and concentrate.

用三氯化铁浸出钼精矿可进一步降低钼精矿中的铅、铜和钙等杂质。

The regrinding of rough molybdenite concentrate,especially two stage regrinding,is the key of improving quality of molybdenite concentrate.

张文钲，提升产品质量促进钼业可持续发展采用粗精矿再磨，尤其是两段再磨再选是提升钼精矿质量的关键。

Using concentrate containing Mo≥54% as precursor,by advanced roasting furnace for oxidization roasting molybdenite concentrate can produce high quality technical molybdenum oxide possessed of world grade.

只有以含钼≥54%、杂质低的钼精矿作生产工业氧化钼的前驱体，采用较先进的焙烧设备进行氧化焙烧才能产出与国际钼市场产品质量接轨的工业氧化钼产品。

There is a symmetric sedimentary rhythm with a polyhalite center in this deposit,formed by the cogenetic metasomasis of relic concentrate d brine with gypsum in shallow basin of the gypsum flat environment above tidal level and the evaporation sedimentation of the mixture of gypsum flat drainage water with rilic concentrate brine.

矿床具有以杂卤石矿为中心的对称沉积韵律，一方面是潮上膏坪环境浅水盆地中的残余浓缩卤水与石膏发生同生交代作用形成，另一方面又是膏坪汇流水与残余浓缩卤水混合蒸发沉积而成。

Balling and roasting experimental studies were carried out for siderite and limonite concentrate. The results showed that both green ball strength and bursting temperature increased when adding limonite and magnetite into siderite concentrate.

对菱铁矿和褐铁矿精矿进行了造球、焙烧试验研究，结果表明，在菱铁矿精矿中配加褐铁矿的同时配加磁铁矿，既可提高生球强度，又可提高爆裂温度。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。