Bearing parts in the process of hardening cooling by internal stress due to the formation of quenching cracks crack said.
轴承零件在淬火冷却过程中因内应力所形成的裂纹称淬火裂纹。
The paper describes the feature, mechanism of formation, research methods and possible applications of jet halo of mobile heavy metal above oil bearing formation.
叙述了石油层上方重金属元素的射流晕分布特点、形成机制、研究方法及其可能的应用。
This paper presents the methods to distinguish abnormal vibrational noise for rolling bearing of motor, analyzes the cause of formation, and presents the method to remove it.
提出了电动机滚动轴承引起异常振动噪声的识别方法,分析了异常振动噪声形成的原因,提出了消除异常振动噪声的方法。
Jurassic coal-bearing formation scatters over the northwestern China. The low-permeability sandstone reservoir occurs as the main reservoir type.
侏罗系煤系地层广泛分布于我国西北地区,低渗透砂岩储集层是其主要的储集层类型。
This paper analyzes and explains its theoretical foundation, the formation and operation principle of common-rotary bearing.
本文对其理论基础、共转轴承形成和工作原理、均载原理进行了理论分析和阐述。
The gypsum formation causes the expansion of materials based on cement exposed to sulfate bearing solutions.
石膏的形成导致硫酸盐侵蚀水泥基材料产生膨胀开裂。
The key to produce this shallow gas is to use a set of negative suction technique besides that a series of measures for protecting the shallow gas-bearing formation must be adapted while drilling.
要把这类浅层气开采出来,除必须实施保护浅气层的钻井措施外,关键在于采用一套负压抽汲采气技术。
Tectonic group patterns of coal seam depended on tectonic stress field, mechanical properties of rock of coal-bearing formation and surrounding environments.
煤层的构造组合型式在很大程度上取决于构造应力作用、含煤地层的岩石力学性质和应变环境等。
Upper Permian coal-bearing formation in Xinhua coal-mine is a set of coal-bearing formation of marine carbonate rock and clastic rock in Liuzhi, Guizhou.
贵州六枝特区新华煤矿上二叠统含煤岩系属于一套海陆交互相含煤建造。
On background of warship formation on sea, bearing location of aerial target with multi-platform cooperative reconnaissance is discussed in this paper.
以海面舰艇编队为背景,研究多平台舰载雷达侦察设备在协同侦察情况下对空中目标测向定位与跟踪问题。
The oil-bearing formation of Yan 2 block of Benbutu oil field is Jurassic Sangong River group, which is low porosity and low permeability.
本布图油田投入开发的焉2区块,含油层位为侏罗系三工河组,属低孔低渗储层。
But Gold ore bearing formation is a poweless deformability strata rocks that ore metals of Gold et al were activated and relocation and concentration by shears.
金碎屑岩含金矿层属非能干性岩层,以成矿物质剪切变形活化、迁移富集为特征。
There are complicated reasons for problems in resources and resource prices, but they, to a large extent, have bearing on the fact that basis for pricing formation has not been established.
形成资源与资源价格问题的原因虽然错综复杂,但在很大程度上与资源价格形成基础迄今仍未解决有关。
Guan Jiapu area beach sea oil field main oil-bearing formation location whether last the third take town group, Guantao group and lay the third Shahe street group tomorrow.
关家堡地区滩海油田主要含油层位是上第三系明化镇组、馆陶组和下第三系沙河街组。
The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods.
云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积,地层中产有丰富的鱼类、植物和双壳类化石;
Abnormal formation fluid pressure often exists in oil-gas bearing basin.
地层流体压力异常是含油气盆地存在的一个普遍现象。
Permian Longtan Formation coal-bearing measures under detachment structure and Cretaceous red-bed was newly discovered in Matouling well field, Hunan province.
在马头岭井田新发现一个滑覆构造和白垩系红层掩盖下的二叠系上统龙潭组含煤构造。
According to geological age, it may be divided into Upper Triassic coal-bearing formation and Lower-Middle Jurassic clastic rock formation.
根据它的地质时代,划分为上三叠统含煤建造和中下侏罗统碎屑岩建造。
Interpretation accuracy of oil saturation in oil bearing formation, especially in thin reservoir, is greatly improved as resistivity is corrected by formation thickness.
电阻率经厚度因素校正后,含油饱和度解释取得了比较理想的效果,尤其是薄油层的解释精度有了很大提高。
Cambrian Taiyangding Group, located in the northern part of Ruoergai in Sichuan province, is an important gold-bearing formation.
四川若尔盖北部寒武系太阳顶群为金矿矿源层,硅质岩为其中的主要组成部分。
The main oil-bearing layer is Shahejie Formation.
主要含油层位为沙河街组。
This paper mainly describes division and correlation of unique fossil-bearing horizons of the Jiufotang Formation in DapingfangMeileyingzi Basin.
本文重点论述了辽西大平房—梅勒营子盆地九佛堂组含珍稀化石的地层划分与对比。
A wrapping method is used to indicate oil-bearing characteristic of the formation.
利用重叠的方法来指示地层的含油性。
According to hydrodynamic conditions, Binzhou line and its north are the favorable oil-gas accumulation areas of Fuyang oil-bearing formation in Binbei region.
从水动力条件来看,滨州线及以北地区是滨北地区扶杨油层油气的有利聚集区。
The Feixianguan Formation of evaporative carbonate platform is a set of sulfate-bearing evaporative tidal sediments with aboundant dolomite.
飞仙关组蒸发台地为一套含硫酸盐的富白云岩的蒸发潮坪沉积层系。
Thickness of gas bearing formation acts definitely on producibility of lower permeability sandstones with same petrophysical properties and same gas saturation.
对于低渗透岩性气层,在物性和含气饱和度相同背景下,气层厚度的大小对产能的高低起决定性作用。
Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.
通过对济宁唐阳井煤田晚古生代含煤岩系中的孢粉化石的研究,共鉴定出孢粉化石71属177种。
Conclusion the fine strata classification and correlation of Chang 6 oil-bearing formation has a deep significance to the development of the Oilfield.
结论长6油层组精细地层划分与对比对油田开发具有重要意义。
Conclusion the fine strata classification and correlation of Chang 6 oil-bearing formation has a deep significance to the development of the Oilfield.
结论长6油层组精细地层划分与对比对油田开发具有重要意义。
应用推荐