查询词典 step cone

Research on cone/bit speed ratio simulation model of tri-cone bit s;2. In this paper, the kinematics simulation model of tri-cone bit s was established according to the roller cone bit geometry and kinematics.

根据钻头几何学和运动学建立起了随钻运动的三牙轮钻头的计算机运动学仿真模型，该仿真模型既表示出了钻头上各牙齿的形状、大小和在钻头上的分布情况，又可真实反映钻头钻进过程中各牙齿的瞬时位置和相互关系。

I am company mainly produces V-cone-pulley, 105 cone-pulley, Cone sets to connect disk, Gezhongfeibiao cone hole, straight-set pulley and connectivity.

目前我公司主要生产V型锥孔皮带轮，105锥孔皮带轮，锥套，连接盘，各种非标锥孔、直孔皮带轮和连接盘。

Chi Chun oil Shandong Machinery Co., Ltd., located in China's second largest oilfield Shengli Oil Field in Dongying City, Shandong location, the main tool for petroleum products for the manufacture and sale of the company for the China University of Petroleum relying on scientific research bases, leading products include: the use of the rigs Efficient wear shoes, duplex milling Cone, Cone window milling, Xitou sets, sets milling extinguishers, the mother Cone Cone, screw drill, screw pump drives, production efficiency devices, with oil production by pumping leakproof , Feng Jing, tubing collar, the collar rod, such as wellhead valves.

采油增效装置等。山东骏驰石油机械有限公司，位于中国第二大油田胜利油田所在地山东东营市，主营产品为石油专用工具制造及销售，公司依托中国石油大学为科研基地，主导产品包括：各型修井用高效磨鞋，复式铣锥，开窗铣锥，套铣头，套铣筒，公锥母锥，螺杆钻具，螺杆泵驱动装置，采油增效装置，采油增抽防漏器，封井器，油管接箍，抽油杆接箍，井口阀门等。

To find the best relationship of a cone angle,solid retention period and its speed to match,we conducted a different cone to cone to cone angle and speed simulation.

应用以上的理论、方法和仿真结果，自主研制了ZKR-200A型生物质闪速热解液化制油装置，并进行了实车实验。

A variable-step modified Euler time integration method is proposed and analyzed. Four major factors that affect the efficiency of the variable-step modified Euler time integration method are discussed. These include stability and accuracy analysis for the damped fix-step modified Euler integration formula, adjustment method of the fix-step basic integration formula to accommodate step-size changes, suitable range of the step-size selection strategy based on truncation error concept and development of the step-size selection strategy based on apparent frequency concept to satisfied the specified error bound and stability condition.

提出了变步长修正Euler时间积分法，详细讨论了影响变步长修正Euler时间积分算法效率的四个主要因素，它们包括：有阻尼问题的修正Euler法的稳定性和精度分析，调整固定步长的基本积分公式使之容纳步长大小变化的研究，基于截断误差概念的步长大小选择策略适用范围的讨论，同时满足规定误差界和稳定性条件的、基于表观频率概念的步长大小选择策略的建立。

For example, an objective polyester can be produced in a method of producing an ester comprising, a first step wherein a diol is reacted with an ester produced beforehand from a dibasic acid and a monofunctional alcohol, or an ester produced beforehand from a monofunctional alcohol and diol, a second step wherein unreacted ester is separated from the product produced in the first step to obtain another ester, and a third step wherein unreacted ester separated in the second step is recycled to the first step, 0.05-5 millimoles of the catalyst relative to one mole of acid being used in said first step.

例如，可以应用制备酯的方法制备目的聚酯，包括，第一步，使二醇与产生的酯反应，该酯由二元酸和单官能团醇预先制得，或由单官能团醇和二醇预先制得；第二步，将未反应的酯与第一步所制得的产物分离，得到另一种酯；第三步，将第二步中分离出的未反应的酯循环回到第一步中，在第一步中相对于1摩尔酸来说，应用了0.05-5毫摩尔所述的催化剂。

One of the methods for estimating the vanishing point from the image of the invention includes: a dividing step for dividing the image into snippets; a first detecting step for detecting a local direction of each snippet; a combining step for combining lines of directional pencil of lines according to the local direction detected in the first detecting step; and a first calculating step for calculating at least one vanishing point according to the combined lines of directional pencil of lines in the combining step.

根据本发明的用于从图像检测消失点的方法之一包括：用于将图像划分成小片的划分步骤；用于检测每片的局部方向的第一检测步骤；用于根据在第一检测步骤中检测出的局部方向组合方向线束的直线的组合步骤；和用于根据在所述组合步骤中组合的方向线束的直线计算至少一个消失点的第一计算步骤。

Through the actual design experience of Xuhui Campus general plan of Shanghai Jiaotong University, it makes the conclusion of exterior space design steps for hisoried campuses. Step 1: research the buildings in campus and analysis in grade. Step 2: make the function distribution area. Step 3: make out the buildings distribution plan. Step 4: design the campus general plot plan. Step 5: finish the exterior space plan of historied campus. Step 6: set up the evaluation standard of historied campus exterior space.

以上海交通大学徐汇校区总体规划实际项目为例，总结出老校园建筑外部空间的设计步骤——第一步：调研校园建筑并分级研究；第二步：确定校园功能分区；第三步：完成校园房产资源配置方案；第四步：完成校园总体规划方案；第五步：完成校园建筑外部空间设计；第六步：建立校园建筑外部空间评价标准。

The invention concerns a burner comprising a premix designed to produce a flammable air-fuel mixture, said burner including a vortex generator, wherein are provided two complementary burner shells forming a passage body, having each a first half-cone burner shell section (1) and delimiting together a turbulence chamber, widening in the axis in the form of a cone, as well as tangential air intake slots in the axial longitudinal direction of the cone.

描述了一种用于产生可点燃的燃料-空气混合物的预混燃烧器，该预混燃烧器具有涡流发生器，该涡流发生器设置了至少两个对穿流本体进行补充的燃烧器壳，所述燃烧器壳分别具有构造为分锥形状的第一燃烧器壳区段(1)并且共同限定着在轴向上按锥形方式扩展的涡流室并且限制着所述沿轴向的锥体纵向伸展方向相互相切的进气缝隙。

The inner diameter of b-CD cone is 0.65nm and the extra is 1.53nm. The hydroxyl groups of C(6)(the sixth carbon atoms of glucose unit and the same as follows) are located on the smaller opening of the cone with counterclockwise direction, while the hydroxyl groups of C(2) and C(3) are located on the larger opening of the cone with reverse direction.

环糊精外型是内空的圆台形，其中β-环糊精内空腔的直径为0.65 nm，外径为1.53nm.C(6)(葡萄糖单元上第六个碳，下同)上的羟基位于空腔的细口端指向逆时针方向，C(2)、C(3)上的羟基位于空腔的宽口端指向相反的方向。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。