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The aroma components of pumelo peel tea and white tea were studied in this paper, and the scenting effect of pumelo peel tea was compared and evaluated;both the style of aroma in white tea and the changes of the aroma components of white tea during preservation were discussed.

本文在研究了柚子皮茶和白茶香气成分的基础上，探讨了4种柚子皮茶的窨制效果；分析了白茶的香气特征和在存放过程中白茶香气成分的变化。

The carbon atoms of the components may have different hybrid bonding orbitals to create quite different carbon components.

零部件的碳原子可能有不同的混合的压焊orbitals创建十分不同的碳零部件。

Results show that the convergence is improved evidently.(3). The hybrid model which combines three-dimensional simulation in turbine and zero-dimensional simulation in the other engine components is built in the present paper after learning the zooming technique from NASA. The matching between components in a single-shaft turbojet engine after the turbine retrofitting is studied.

在对以上三种不同层次的数学模型及其解法进行了研究的基础上，鉴于NASA的部件一维仿真与总体零维仿真相结合的ZOOMING技术，本文采用将涡轮的全三维仿真与发动机总体的零维仿真相结合的方案，对某单轴涡喷发动机在涡轮改型后的匹配问题进行了研究。

Bellows sealed valve shut-off valves, and its key components - metal bellows, the lower end of stem components with the introduction of automatic welding roll, roll the top and连接板automatic welding, in the fluid medium and the atmosphere to form a metal barrier between the to ensure zero leakage valve stem.

阀门中波纹管密封截止阀，其关键部件——金属波纹管，下端与阀杆组件采用自动滚焊焊接，上端与连接板自动滚焊焊接，在流体介质和大气之间形成一个金属屏障，确保阀杆零泄漏。

The invention relates to an electric machine (10) which can be operated as a motor or a generator. Said machine comprises a rotor (26a, 26b) rotatably mounted in a housing (12), a rotor shaft (24) which extends beyond the housing (12) and a plurality of electromagnet components (28) that are statically arranged in the housing at a distance from the axis of rotation of the rotor in evenly distributed angular distances. Said electromagnet components have each a wire-wound coil (30) consisting of a coil core (32) which carries one or more conductors.

本发明涉及一种可作为电动机或发电机工作的电机(10)，它包括一个可旋转地安装在外壳(12)内带一根伸出外壳(12)的转子轴(24)的转子(26a、26b)，以及包括多个离转子旋转轴线一定距离处按均匀的角向间距位置固定地布置在外壳内并各有一个支承着由一根或多根导线组成的线圈绕组(30)的线圈芯(32)的电磁构件(28)。

Tempotec Optics Co., Ltd is a professional manufacturer of optical components. We can provide many kinds of optical components such as optical window, mirror, waveplate, filter, beamsplitter, prism, lens, etc.

福州惠宝光学有限公司公司位於福州市洪山科技园，专业生产高品质的精密光学元件，包括窗片、滤波片、反射镜、波片、分光片、棱镜、透镜等。

The key component "four-way value"used in air-conditioners,the control valve used in gas heaters and stoves,the water feeding regulating valve used in the clothes washer,the hydraulic air operated valve core and automobile components and devices for fuel jetting ,feedback and baking,etc,all require a large amount of fixed valve cores and sliding core components made of free-cuting,stainless and sofe magnetic alloys.

空调机内的关键部件&四通阀&、燃气热水器及灶具的控制阀、洗衣机中输水调节阀、液压气动阀芯及汽车电子燃料喷射反馈刹车用元器件等需要大量由易切削不锈软磁合金加工成的定阀芯和动滑芯元件。

With the application of theory and technology of programmable logic controller -PLC, the control system of transplanting potted seedlings manipulator was developed. First, the hardware of control system for transplanting seedlings manipulator was designed in detail, including the implement components, electrical control components and sensors. Then the design and selection of cylinder, solenoid valve and travel switch, configuration of I/O interface and wiring of PLC were completed and ladder chart and repertoire were drawn up.

应用PLC技术设计开发了穴盘苗自动移栽机械手的控制系统详细地介绍了硬件结构即电气系统的设计，包括气缸、电磁阀及行程开关的选择、IO接点的分配及PLC接线图的设计，编制出机械手运动过程梯形图和指令表程序，完成了控制系统的安装和调试。

After many year endeavors, our product already covered the tool kit, the tool valve, the work table, the cutting tool cabinet/cabinet, the cutting tool vehicle, to store up the cabinet, the components cabinet, the efficiency cabinet, the filing cabinet, the components box, the wheel slide, the material frame, mold, the skillful solid frame, the warehouse cage, the turnover box, the flexible line stick and each kind of warehousing shelf at present and so on, is the modern enterprise raises the efficiency, the frugal space, manages the scene, standard flow, clean workshop, creation profit indispensable necessary production equipment.

经过多年的努力，目前我们的产品已经涵盖工具柜、工具车、工作台、刀具柜/橱、刀具车、储存柜、零件柜、效率柜、文件柜、零件盒、砂轮架、物料架、模具架、巧固架、仓库笼、周转箱、柔性线棒及各种仓储货架等，是现代企业提高效率、节约空间，管理现场，规范流程，清洁车间，创造利润不可或缺的配套生产设备。

Various types of catheter valve; valve seat ring; cylinders and components; valve and components

具备年产气门导管400万支、气门座圈360万支以上的能力。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。