| 1. | Application of technology on augmentation of heat transfer in the grinding contact zone with radial jet impinging in creep feed grinding
缓进给磨削时磨削弧区径向射流冲击强化换热技术的应用 |
| 2. | Laiwu hydrothermal metasomatic iron deposit is located at contact zone of ordovician carbon - ate rock ( majiagou formation ) and late yanshanian diorite or nearby
摘要莱芜接触交代热液铁矿赋存于奥陶系马家沟组碳酸盐岩与燕山晚期闪长岩的接触带及其附近。 |
| 3. | The hongqiling cu - ni ore deposit is located to the northern flank of a contacting zone ( the huifahe fault systems ) between the north china platform and the jilin - heilongjiang syncline system
摘要红旗岭铜镍矿床地处华北地台与吉黑地槽系接触带辉发河断裂北侧。 |
| 4. | Abstract : calculation of the module of a 45 pressure angle involute profile for a tapered splined shaft substituting for a delta profile is studied in this article . the formula of calculation is deduced and the influence of unsuitable module on contact zone is also analysed
文摘:讨论了锥三角齿花键轴用45压力角渐开线齿花键轴代替时，如何计算模数的问题，并推导出相应的计算公式，分析了模数选择不当对接触区的影响 |
| 5. | ( 4 ) the trace elements and ree geochemistry of the tongchang granodiorite porphyry indicate , there exists the reaction between the porphyry and the hydrothermal fluid . the hydrothermal fluid was cl - enriched solution , and flowed from the porphyry center to contact zone
( 4 )德兴铜厂斑岩体微量元素和稀土元素地球化学特征表明，该岩体发生了流体?熔体作用，分异出来的流体是一种相对富氯的流体，同时成矿流体的流向是从岩体中心向接触带方向流动。 |
| 6. | K - ar age of an illite from alteration rock in the contact zone around lianhuashan porphyry is 38 . 6ma . with referencing to the main metallogenic period of yulong copper metallogenic zone and of ailaoshan gold metallogenic zone , it is suggested that the time of formation of deposits in the district studied is probably in a period of time from 38 . 6ma at earliest to 20ma at latest . this time is equivalent to the origination time of two important tectonic events , i . e . , lanping movement and the turning point when ailaoshan - red river fault turned from sinisteral into dextral
获得了莲花山岩体周围接触带蚀变岩中伊利石k - ar年龄38 . 6ma ，参考玉龙铜矿带和哀牢山金矿带的主要成矿期(分别为30ma左右及26ma ) ，厘定本矿集区成矿年龄下限为38 . 6ma ，上限为20ma ，与两次重要的构造事件?兰坪运动的起始时间及哀牢山?红河断裂由左旋转为右旋的时间相当。 |
| 7. | The fault controlled the magmatism and metallization relevant to the contact zone , and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene . the fault zone deformed right - laterally under ne - sw striking transtention , and new joints zone was produced at the end of the two main faults because of local stress concentration . the fault produced inchoative cataclastic rocks , and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks , which was during the himalayan movement
其后的继承性活动在断裂带内形成碎裂程度最强达到碎裂岩的碎裂岩系列构造岩，变形带两侧发育两组典型的共轭剪节理；第二次在晚白垩世?始新世，断裂在北东?南西向近水平挤压作用下右行张扭性活动，断裂带两主断裂在斜列重叠的端部由于局部应力集中进一步扩展形成节理带，而断裂在岩体区也发育两组典型的共轭剪节理，断裂内形成初碎裂岩为主的构造岩；第三次是喜山期以西侧抬升、东侧下降的强烈升降为主的活动，在基岩中，主断层两侧围岩出现微破裂。 |
| 8. | In order to predict high - strength bolts pretension and contact - friction in contact zone , status nonlinear in contact zone is adopted in fem model . the computation and analysis on the behavior of beam - to - column rigidity joints subjected to constant axial pressure on the top of column and cyclical load at tip of beam is carried out
实体模型的建立，考虑了接触区的状态非线性，以模拟高强螺栓的预拉力、螺栓连接区的摩擦接触，对承受轴力的梁柱刚性连接方式在循环荷载作用下的滞回性能进行了计算分析。 |
| 9. | In order to analysis the contact problem between elasticity roller and rigid plane , another iterative process is raised . supposing the right contact point has been known , the left contact point has to be found and the distribution of stick zone and slip one have to be determined in each iterative process . the outer load is evaluated according to the solved force distribution in contact zone
针对弹性滚柱与刚性平面的稳态滚动接触问题，采用已知接触区右端点来搜索接触区左端点以及区内粘连区、滑移区分布的迭代搜索方法，并根据搜索得到的接触区内分布压力反求出外部载荷。 |
| 10. | Abstract : to the principle and project that tu guangazhi proposed in 1990 , the gold ore deposits in qinling ( shaanxi ) may be classified into fouowing types : archean high - grade gneiss type , fine grained fragmental rock - carbonate rock - silicilith type , metamorphic fragmental rock type , volcanic rock type , explosive breccia type , intrusive rock exo - and endo - contact zone type . inthis paper , the geological characteristics , metallogenic geological setting , the source of ore - forming materials , digenic mechanism and metallogenetic epoch of gold ore deposits are also discussed
文摘:参照涂光炽先生( 1990 )提出的矿床类型划分原则与金矿分类方案，将陕西秦岭地区原生金矿划分为太古界绿岩建造型、细碎屑岩-碳酸盐岩-硅质岩建造型、变质碎屑岩型、火山岩建造型、隐爆角砾岩型和侵入岩内外接触型金矿，并对各类型金矿的地质特征、成矿地质背景、成矿物质来源、矿床形成机制及形成时代等问题进行了论述和讨论。 |
