冷作

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展方向作了简略概述；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具进行了设计：大直径三通管冲压复合模设计解决了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,代写医学论文,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展方向作了简略概述；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具入行了设计：大直径三通管冲压复合模设计盖世了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

Mian colors achieving high speed single way rainbow and scrolling effect 0-100% mechanical linear dimming (tunable from full blanking to full opening effect) Mechanical linear DIMMER and 1-10 times/s high speed STROBE effect Horizontal 450°and vertical 250°scanning range, smooth scanning action and accurate orientation Precise adjustment on horizontal and vertical position Precise speed adjustment on horizontal and vertical position Pattern internal light rotating function,freely adjusting fast , low speed , clockwise and anticlockwise GOBO position adustment Automatic focusing function 3 Prism effect, prism colorwise and anticolorwise rotating Built-in over heat protection and high voltage protection 2 convection cooling-fan,optimize internal air duct way, heat elimination rapidely Compatible with DMX512 international digital singal PFC power factor compensation According to various kinds of safety standards, IP20 protect grades, The cable accords to the CE20/22 standard

PERFORMANCE TRAIT 8种主色彩，同时可作高速单向滚动效果 0-100%机械线性调光（可控制全遮光到全开光效果） 1-10次/秒超高速频闪调整效果水平540度，垂直250度扫描范围，动作平滑、流畅、定位准确水平、垂直运动位置可精确调整位置水平、垂直运动位置速度可调功能旋转图案可正反、快慢自由调节旋转图案角度可单独调整采用电子自动对焦，图案远近均清晰度可自由调整三棱镜及棱镜正、反自由旋转功能二只对流风扇致冷，内部优化风路设计，散热充分良好内置过热保护、触发高压保护接受DMX512国际标准数码信号 PFC功率因素补偿符合各种安全标准，IP20保护等级，电源线符合CE20/22标准

Loose baggy pants should be rolled up to avoid resistance to the current, but the legs need protection from very cold glacial runoff; wool long johns are good.

应该将宽松的裤子卷起来以避免对水流的抗力，但需要作好脚的保温，因为冰河的溶雪非常冷，羊毛制的全身式内衣是很好的选择。

Most of them are cold mineral springs with over ten minerals good to people's health It is generally called heavy-carbonate mineral water which can either be used for drinking or bathing, and can cure gastric diseases, neurasthenic,skin diseases and hypertension, etc.

在这里，游客们可以拾一两块形状奇特的熔岩留作纪念。二是这里有丰富的矿泉资源，很多地方都有矿泉水涌出。这些矿泉多为冷矿泉，水温低，含有十几种对人体有益的元素，统称为重碳酸矿水。

An infectious disease characterized by cycles of chills, fever, and sweating, caused by the parasitic infection of red blood cells by a protozoan of the genus Plasmodium, which is transmitted by the bite of an infected female anopheles mosquito. Also called paludism, swamp fever

疟疾：一种传染性疾病，症状为周期性地感到冷、热和发汗，病因是寄生于红血球的一种疟原虫属原生动物，这种动物通过已感染病菌的雌性疟蚊传播也作 paludism， swamp fever

Lastly, with the operation data of the practical power unit, the analysis and diagnosis are conducted, which verifies the former theory developed in this thesis successfully.

最后，以实际机组冷端系统的运行数据为例，进行了实例分析和诊断，对前面的理论研究作进一步的说明和验证。

Methods: Erucic acid from rape oil was extracted with cooling crystallization, and compared with lead salt method.

采用冷结晶法提取芥酸，并与铅盐法提取芥酸作了比较。

In this thesis, some realization of laser cooling and trapping of rubidium atoms is introduced.The technique path of laser cooling and trapping 87Rb is explained.

本学位论文围绕87Rb原子的激光冷却与俘获，先对冷却与俘获中性原子的各种方案作了介绍，然后描述了我们实验中获得87Rb冷原子的技术途径。

Furthermore, a cDNA library was constructed and prepareto scan for the full length of this cDNA squence.

此外，构建了沙冬青冷诱导叶片的cDNA文库，以筛选全长cDNA序列作进一步的结构及功能分析。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。