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设计生产
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  design and production
    The shearer mechanism CAD system has been designed and has been applied to design and production, which has made the good result.
    设计了采煤机工作机构CAD系统,该系统已被应用于设计生产,取得了良好的效果。
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    The calculation methods for excavation resistance, transverse excavation resistance, wind and water resistance, additional force of ladder lifting, force of anchor lifting and the external force exerted on an chor post are summarized, which rnay be applied to the design and production.
    总结出链斗式采金船设计中的挖掘阻力、横向挖掘阻力、风阻力、水阻力、斗架提升附加力、提锚力及锚柱所受的外力的计算方法,可供设计生产应用.
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    The observing data of the influence factors on water flow is studied by synthetic analysis to find out some leading factors. It is calculated by combination of traditional method and the modern new method and comparison with practical water flow in mining is made. The strong points of each method are learned to increase the accuracy of estimated water folw, providing the scientific basis to the departments of design and production to attain both economic and safe aims.
    通过影响涌水量因素的观测数据,进行综合分析研究,找出几个起支配作用的主导因素,试用传统的方法与现代新方法结合进行计算,与开采的实际涌水量进行对比分析,取各种方法之所长,提高预计矿井涌水量的准确度,为设计生产部门提供科学依据,达到既经济,又安全的目的。
短句来源
    This paper takes YFJ/GC-2400 lightweight hydraulic support as an example,have studied three-dimension modeling method of the lightweight hydraulic support with SOLID EDGE software,parts,matel,equipment and engineering frawing four module,provides reliable guarantee for researching lightweight hydraulic support. It is very important to design and production of the hydraulic support.
    以YFJ/GC— 2 4 0 0轻型放顶煤液压支架为例 ,利用SOLIDEDGE软件的零件、钣金、装配和工程图 4个模块 ,对轻型放顶煤液压支架进行三维建模 ,为轻型液压支架的研究工作提供了可靠保证 ,对液压支架设计生产具有重要的实际意义。
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  “设计生产”译为未确定词的双语例句
    The designed production cost and actual production cost in slope expansion project of 4~# stope of Peru Iron Co,Capital I & Co were analyzed and compared,and new thoughts and ideas were provided for reducing unit production cost of mine and improving economic benefits of mine.
    对首钢秘鲁铁矿股份有限公司 4 # 采区的扩帮延深工程设计生产成本与实际生产成本进行了分析与比较 ,为降低矿山单位生产成本 ,改善矿山经济效益提供了新思路。
短句来源
    It takes ZT6500/19.5/34 hydraulic support as an example and explains the process and method of designing hydraulic support by applying SolidWorks. It is very important to design and product the hydraulic support.
    以ZT6500/19.5/34型液压支架为例,说明了应用SolidWorks进行液压支架设计的过程和方法,对液压支架设计生产具有重要的意义。
短句来源
    This paper introduces fundamental composition and function of electrical contorting system in dark vertical shaft for 2JK-3.5×1.7/20E,includes a serics of practica1 recreating methods and produced effect.
    介绍了我公司暗立井所使用的洛阳矿山机械厂设计生产的2JK - 3.5×1.7 2 0E提升机电控系统的基本组成及其具体的使用功能,同时对在实际使用过程中存在的一些问题提出改进方法,并对收到的效果进行了简要的说明。
短句来源
    This paper introduces fundamental composition and function of lubrication system in dark vertical shaft for (2JK-3.5)×1.7/20E , including a series of practical recreating methods and produced effect.
    介绍了开滦集团公司钱家营矿业公司-850暗立井所使用的洛阳矿山机械厂设计生产的2JK-3.5×1.7/20E绞车润滑系统的基本组成及其具体的使用功能,同时对在实际使用过程中存在的一些问题提出的改进方法,进行了简要地说明。
短句来源
    To aim directly at present explosive condition and don't have No 1 rock emulsion explosive , and combine the developmental tendency of emulsion explosive for abroad and internal, In this paper, study the factor of affecting emulsion explosive strength and the way of improving through theory analysis and experimental tests.
    针对国内工程爆破的实际需要,设计生产高威力的1号岩石乳化炸药已是必然趋势,作者通过理论分析和试验,研究了影响乳化炸药作功能力的因素和提高乳化炸药作功能力的途径。
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  design and production
The design and production technology of monolithic planar GaAs p-i-n diode limiters for the microwave wavelength range are described.
      
Flow analysis of profile extrusion is essential for design and production of a profile extrusion die.
      
THE DESIGN AND PRODUCTION OF A SEXUAL SIGNAL: HOODS AND HOOD BUILDING BY MALE FIDDLER CRABS UCA MUSICA
      
The virtual prototype technology could lay sound foundation of successful manufacturing of physical prototype for the first time and offer highly effective and feasible means for the design and production of underwater equipments.
      
Current Advances in Mechanical Design and Production
      
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This papers in regard with the principle that theory must concurent with practice,analizes the acuracy in selecting par- ameters of underground electric haulage in coal mines,and po- ints out the existing faults,and suggests the means in imp- oving the reliability of the results calculated. It may be useful for the designers,engineers and instructor- es of mines and colleges.

本文按照理论联系实际的原则,对我国现行的煤矿井下电机车运输计算有关参教选(?)的准确性进行了分析,指出了存在的弊端,提出了为提高计算结果的可靠性应采取的措施,可供煤矿设计、生产、院校等部门有关人员参考。

This paper presents a general introduction to the main developments of mineral processing science and technology in China in 1986,including theoretical research, pretreatment of crude ore,processes,equipment,reagents,wear-resistant materials, mathematical model and computer application,comprehensive utilization of natural resources and enviormental protection. By the instrumental analysis of PES,without the collector molecules in the pulp, the elemental sulphur was monitored on the surface of galena.In this...

This paper presents a general introduction to the main developments of mineral processing science and technology in China in 1986,including theoretical research, pretreatment of crude ore,processes,equipment,reagents,wear-resistant materials, mathematical model and computer application,comprehensive utilization of natural resources and enviormental protection. By the instrumental analysis of PES,without the collector molecules in the pulp, the elemental sulphur was monitored on the surface of galena.In this case,it is pro- ved that the mechanism of galena flotation in the collector molecule free pulp is due to the formation of elemental sulphur hydrophobic film on the mineral surface,The study of seperation between cupric ion activated pyrite and chalcocite shows that it can be effectively achieved by using chelating reagent.When tartaric acid is used,the adsorption of tartaric radicals on the surface of activated pyrite makes its hydrophi- bility increase and molecule adsorption bf collector decrease.However,it rarely ma- kes difference to chalcocite.In the pulp of nickel sulfide ore from Jinchuan Mine, the large amount of Mg(Ⅱ)is present.In the medium of alkaline,the flotability of pentlandite which is the main valuable mineral in the deposit is markedly depressed. By means of PES,AES and ESR,the investigation was made.The mechanism of Mg(Ⅱ)affection is proved to be the result of surface compound film of magnesium hydroxide being formed.The reagent of sodium meta-phosphate serves as a chelating agent and is able to dissolve the magnesium hydroxide on mineral surface so that the flotability of pentlandite can be greatly improved.The pre-adsorption of cupric ion is able to prevent the hydroxidization of pentlandite surface.In the process of shear flocculation-flotation for ultrafine wolframite,the main aim of high speed stirring is to overcome the repulsive energy barriar between ultraflne wolframite particles and facilitate the formation of flocs.As the result,the particle size of wolframite for flotation can be increased from 4.1μm to 8.5μm and rate of shear flocculation flotation is 4.1 times as quick as that of conventional flotation. Finely ground hematite can be aggregated in the presence of ultrafine magnetite which has natural magnetism.This hypothesis gives a better interpretation of selective flocculation-desliming process for the raw material of which is finely ground in Bao Tao iron oxide mine. The new point of view about rate equation of flotation model has been given in the study of flotation kinetecs.The one-to one correspondence between the integrated form of rate equation for a batch process and the distribution of rate constents at initial time is proved.The relationship between the average rate constant of flotation material presented in the cell and time t is reduced from the distribution of rate cons- tants.It is that the instantaneous decreasion rate of K(t)is directy proportional to he variance of the distribution of rate constants at any moment t. In the development of new processes and equipment,for the efficiency enhancement of raw material pretreatment,the vibrating feeding-screeningwashing process is intro- duced in Yichun tantalite-columbite mine.Screening and desliming of crude ore in co- nveying process are carried out and clogging problem in crushing circuit is avoided. Sequential branch flotation processes has been applied in practice.The reagent co- nsumption is 29.2% lower and copper grade of concentrate is 2.41% higher in Dexin Copper Mine when this technology is used.In the flotation practice of lead-zinc co- mplex ore,multi stage fine grinding and benzal-dithiophosphate are applied.The reco- very of lead and silver is up to 30% when flowsheet of selective flotation for lead, bulk flotation for zinc-sulphur and zinc-sulphur seperation is assigned.The extractive metallurgy of gold has achieved important advance.Two processing plant using car- bon-pulp method were set up,leaching recovery of gold reached to 95-98%.Pile leac- hing technology was adopted to treat ores with low gold content and metal recovery is about 70% with 0.6Kg/T of sodium cynide consumption. New types of gravity seperatiou equipment have been developed including 24m~2jig,LX-200mm double drum centrifugal concentrator and belt-vibrating sluice. Flotation machine,reagent feeder,magnetic separator and filter of latest version have been offered and apprciation from user obtained. Industry practice shows that sodium hydroxamite mixing with butylxanthate can be used to considerablly improve the technical performance in the flotation of copper oxide ore with lower expense.Research work shows that the nonionic polar collector containing bivelent sulphur like isopropylthiocarbamate(Z-200)and diethylthiocarba- mate(E-105)can be employed to extract iron oxide from copper oxide ore by means of flotation and the technical performance is obviously better than that of xanthate. Good result have been got in the flotation of galamine using organic ammonium salt as collector.In the flotation of scheelite from calcium bearing gangue mineral,a kind of collector with two radicals of opposite charge has been proved to have good sele- ctivity.SG series of sesbania and its derivatives are the new types of flocculant.They have characteristics of excellent solubility in a wide range temperature,lower energy consumption,no poisoning,no secondary contamination and high effectiveness with small amount adding and so on.High energy radiation of gamma-ray can be used to increase the efficiency of some types of collector.When water solution Aerosol-22 is exposed to the radiation of Co-60,the concentration of sulfonate will increase and the improvement of collecting ability can make the cassiterite recovery 20-30% higher. Rubber liner wear-resistant material is now widely applied in mineral processing plant.Polyurethane synthesis material has shown great advantage.The attention has been paid to materials and shape of grinding media and its technique of manufactu- ring.The hardness and some other mechanical properties can be improved when pro- per material and pretreatment of heating are assigned and therefore the consumption of media will be eonsiderablly lowered. The computer application in mineral processing field of reseach,design,techno- logy development in industry and enterprise manegment is more pubic.The explicit programm must be orgnized and the strategy must be made to strengthen the research about computer technology and develop more systematically. The advance of slag and residue treatment and utilization has be gained.Gold and iron concentrate are recovered from slag of pyrite roasting process.The further recovery can be realized by processing dross from smelting furnace.

本文介绍了1986年中国选矿科技的主要进展,包括选矿理论研究、选前作业、选矿工艺、选矿设备、选矿药剂、耐磨材料、选矿数模及计算机应用、综合利用及环境保护等方面的进展情况。采用光电子能谱在无捕收剂浮选方铅精矿的矿物表面检测到了元素硫的存在,证实了方铅矿无捕收剂浮选的机理是在方铅矿表面氧化生成疏水性的元素硫。被铜离子活化的黄铁矿与辉铜矿浮选分离的研究表明,采用有机络合剂可以实现二者的有效分离。当采用酒石酸时,酒石酸在已活化的黄铁矿表面选择性吸附增加其亲水性,同时还生成比乙基黄酸亚铜更稳定的表面络合物,减少乙基黄药的吸附量,而这两种表面效应在辉铜矿表面均不明显。金川镍矿浮选矿浆中,存在大量的 Mg~(2+),矿浆呈碱性时,Mg~(2+)对镍黄铁矿浮选有抑制作用。电子能谱和顺磁共振技术研究表明,镍黄铁矿表面羟化镁晶态膜的形成是 Mg~(2+)抑制作用的本质。六偏磷酸钠可以溶解镍黄铁矿表面的羟化镁膜,硫酸铜预先与镍黄铁矿作用,使其表面失去对 OH-的吸附活性。黑钨矿的剪切絮凝浮选,强烈搅拌的主要作用是克服粒子间存在的斥力能峰,添加长烃链捕收剂,可显著提高粒子间的引力作用能,导致黑钨矿粒子间产生絮团,使粒度分布 d_(8...

本文介绍了1986年中国选矿科技的主要进展,包括选矿理论研究、选前作业、选矿工艺、选矿设备、选矿药剂、耐磨材料、选矿数模及计算机应用、综合利用及环境保护等方面的进展情况。采用光电子能谱在无捕收剂浮选方铅精矿的矿物表面检测到了元素硫的存在,证实了方铅矿无捕收剂浮选的机理是在方铅矿表面氧化生成疏水性的元素硫。被铜离子活化的黄铁矿与辉铜矿浮选分离的研究表明,采用有机络合剂可以实现二者的有效分离。当采用酒石酸时,酒石酸在已活化的黄铁矿表面选择性吸附增加其亲水性,同时还生成比乙基黄酸亚铜更稳定的表面络合物,减少乙基黄药的吸附量,而这两种表面效应在辉铜矿表面均不明显。金川镍矿浮选矿浆中,存在大量的 Mg~(2+),矿浆呈碱性时,Mg~(2+)对镍黄铁矿浮选有抑制作用。电子能谱和顺磁共振技术研究表明,镍黄铁矿表面羟化镁晶态膜的形成是 Mg~(2+)抑制作用的本质。六偏磷酸钠可以溶解镍黄铁矿表面的羟化镁膜,硫酸铜预先与镍黄铁矿作用,使其表面失去对 OH-的吸附活性。黑钨矿的剪切絮凝浮选,强烈搅拌的主要作用是克服粒子间存在的斥力能峰,添加长烃链捕收剂,可显著提高粒子间的引力作用能,导致黑钨矿粒子间产生絮团,使粒度分布 d_(80)由4.1微米增加到8.5微米,并使浮选速度增加4.1倍。微细粒磁铁矿具有天然磁性,其周围细粒赤铁矿在磁力的作用下产生磁团聚。应用这一理论,较好的解释了包头氧化矿细磨后实现选择性团聚脱泥的工艺现象。提出了矿物浮选速度模型新见解,认为速率方程的积分形式与槽内欲浮物料的速率常数初始分布是——对应的。由 K 值分布概念导出平均 K 值随时间变化的规律、即平均 K 值的下降速率与K 值分布的方差成正比研制新设备、采用新工艺提高选前作业效率,介绍了宜春钽铌矿采用振动给矿筛洗工艺,使矿石在输送过程中实现筛分和脱泥,解决了碎矿堵塞难题。分支串流浮选工艺在生产中得到应用。德兴铜选厂采用该工艺,药耗降低29.2%,铜精矿品位提高2.41%。复杂多金属铅锌硫化矿石采用阶段细磨,苯胺黑药优先选铅,锌硫混选而后分离新工艺,使铅、银回收率提高30%以上。黄金选冶工艺获重大进展,建成两个全泥炭浆法提金厂,金浸出率可达95~98%。低品位含金矿石采用堆浸法提金工艺,浸出率为70%左右,氰化钠耗量为0.6公斤/吨。介绍了重选新设备,包括24米~2大型跳汰机、LX-2000毫米双转鼓离心选矿机和振动皮带溜槽。浮选机、加药机、磁选机、过滤机均有新产品推出,受到用户欢迎。生产实践表明,异羟肟酸钠与丁黄药混用浮选氧化铜矿石,精矿品位及回收率均显著提高,且药费降低。研究结果表明,Z-200和酯105这两种含硫非离子型极性捕收剂从氧化铁矿石中浮选氧化铜,其指标明显优于黄药。以胺盐作为捕收剂浮选异极矿,获得了好的结果。一种以两性化合物为基础的混合药剂,从含钙脉石矿物中浮选白钨矿,显示出良好的选择性。SG 型田菁胶及其衍生物是一种新型絮凝剂,该类药剂具有溶解水温范围宽、节能、无毒、不会造成二次污染、用量少等优点。某些药剂经γ射线辐照,可以提高捕收性能。以钴60辐照 Aerosol-22的水溶液,可使溶液中的磺酸盐含量增加,能使锡石回收率提高20~30%。衬胶耐磨材料正在选厂推广,聚氨酯合成材料在试用中显示出更大的优越性。磨矿介质的材质,加工工艺及介质形状均已引起注意,选用适宜的材料,恰当的进行热处理,可提高钢球的硬计算机在选矿科研、设计、生产技术和生产管理等领域的应用日益普及。目前,急需在自发、分散、单项研究的基础上进行统筹规划,明确奋斗目标,制定发展策略,有计划的安排力量,进行系统的研究和开发。废渣的治理和利用取得了进展,从黄铁矿烧渣中回收了黄金和铁精矿。从高炉渣中,可进一步回收铁。

Based on the operation practice of the local gold mill of Jilin Province, the author of this paper cites numerous problems existed in giving full play to productive capacity of concentration plant and make a concrete analysis on the possibilities and necessities of tapping the latent power.The author also points out that there is a great latent power,to which, we should pay great attention.Through a series of measures, we are possibie to achieve the following beneficial result: putting into less; producing more;taking...

Based on the operation practice of the local gold mill of Jilin Province, the author of this paper cites numerous problems existed in giving full play to productive capacity of concentration plant and make a concrete analysis on the possibilities and necessities of tapping the latent power.The author also points out that there is a great latent power,to which, we should pay great attention.Through a series of measures, we are possibie to achieve the following beneficial result: putting into less; producing more;taking effect quickly. Thus we can enhance the productive capacity of the concentration plant until surpassing designed capacity.

本文结合吉林省吉林地区地方采金的生产实践,从几个方面列举了选厂在发挥生产能力上存在的问题,具体地分析了挖潜的可能性与必要性,指出其潜力很大,应予重视,通过一定的工作,可以做到投入少、产出多、见效快,从而提高选厂的处理量,直至达产甚至超过设计生产能力.

 
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