This paper introduces the needle-free jet injection devices which adopt the liquid CO2 as power source, and describes their constructions, principles and design characteristics.
程云章，马琳，CO_2无针喷射注射装置的设计特点与应用介绍了以液态CO2为动力源的无针喷射注射装置的结构、原理及其设计特点。
To further illustrate the digital business card printing and membership card making is printing job of using RIP to convert any file format to be addressed when bit image stalls further output, which can contain a short version of the free version of quick print, such as laser printing, electromagnetic business card printing and membership card making, ink-jet business card printing and membership card production, Business card printing and membership card making computer to plate business card printing and membership card making machine and so on.
若给更进一步表明数字制卡和会员卡制息即是印刷息业解搁置RIP来变换任何档案方法增以办理后爆不收位图像档再息不输出，这可包含不幼版的无版飞迟打印，如雷射打印、电磁制卡和会员卡制息、喷不朱制卡和会员卡制息、制卡和会员卡制息机上间接制版制卡和会员卡制息机等等。
Results of the supersonic free jet and the supersonic impinging jet will be used to direct and optimize the cold spray experiments.
超音速自由射流和超音速冲击射流的计算结果将用于指导冷喷涂实验，对其进行优化。
In the beginning of this paper, the current status and achievements in the research field of Pelton turbine are introduced respectively by means of pipe flow, free jet and bucket flow.
本文在首先介绍了冲击式水轮机内部流动中管内流、自由射流以及水斗绕流等方面的研究现状和进展。
To investigate the influence of nozzle characteristic on Pelton turbine, the free jet flow of the nozzle was numerically simulated by CFD technique for multiphase flow on the base of experiment in this paper.
为了研究喷嘴特性对冲击式水轮机性能的影响，在试验的基础上，采用CFD技术对喷嘴自由射流进行多相流的数值模拟。
Simulations of thermal plasma flow and heat transferare conducted for various conditions and vast technical background, such as forplasma torch with pure argon or argon/hydrogen as the working gas, the plasma torchworking within the laminar or turbulent regime, the plasma torch with subsonic orsupsonic velocity at the exit, the laminar or turbulent plasma free jet or impinging jet, the argon plasma jet issuing into an air surroundings or the argon/hydrogen plasma jetissuing into an argon environment, the subsonic or supsonic plasma jet, the plasma jetat the LTE (Local Thermodynamic Equilibrium) or Non-LTE state, etc.
模拟中考虑了等离子体物性随温度的大幅度变化，考虑了不同的流动状态、不同的工质气体及环境气体，以及亚声速与超声速流动情形，模拟对象包括：以纯氩及氩一氢混合气体为工质的发生器，处于层流及湍流流动状况的发生器，亚声速及超声速电弧等离子体发生器，层流及湍流的等离子体自由射流及冲击射流，空气环境中的氩等离子体射流及氩气环境中的氩-氢混合气体为工质的等离子体射流，亚声速等离子体射流及超声速等离子体射流，LTE等离子体射流及化学非平衡等离子体射流，等等。
And the structure of free-vortex jet of FADW is studied using the methods of shadowgraph and LSI, respectively.
采用此窗口的壁面结构，重新加工了一套大口径 90mmx 30mm的气动窗口实验装置，并对其进行了初步的实验研究。
The movement of the piezo packet is transmitted friction-free, using no mechanical parts, to the rapidly switching jet needles.
该运动的压电包传送无摩擦的，没有用的机械零件，以快速切换喷气针头。
The company has a full set of international advanced textile equipment: Toyota JAT710, Japan Tsudakoma ZAX-N230, and the French history of pottery Bill electronic dobby Units 120 air-jet looms, Germany Zook Cotton Sizing Machine, Belgium Atlas Oil-free air compressor and generator sets, as well as imports of times to study machine, sub-section warping machine.
公司拥有国际先进全套纺织设备：日本丰田JAT710、日本津田驹ZAX-N230、及法国史陶比尔电子多臂喷气织机120余台，德国祖克棉浆纱机，比利时阿特拉斯无油空压机和发电机组，以及进口倍念机，分条整经机等。
My company's main products: jet tin plate, gold-plated plates, gold-plate, high-frequency board, blind, buried orifice, OSP (lead-free process), sprayed pure tin.
我公司主要产品：喷锡板、镀金板、沉金板、高频板、盲、埋孔板、OSP、喷纯锡。
Based on the theory of free projectile, this paper discusses the computation method of the horizontal jet distance for the aerated flow splitter piers.
依据自由抛射理论，探讨了掺气分流墩水舌射距的计算方法。
By changing the characteristic parameters, an upward or downward jet can be formed under the combined action of the Bjerkness force of the free surface and the buoyancy, which means that the motion direction of the jet is controllable and it is instructive for exploring new weapons.
研究发现，通过改变特征参数，气泡在自由面的Bjerknes力和浮力的共同作用下，可能形成向上或向下的射流，即射流方向的可控性，这对研究新型武器具有参考意义。
Both of experimental and numerical results show that the cloud cavitating area consists of two parts:attached vapor in the foreside of the cavity, and unsteady two-phase mixture in the rear region; the velocity in the two-phase mixture region is noticeably lower than the free stream level, and th...更多at in the vapor region the velocity approaches the free stream level. The increasing of a local pressure is a main factor to induce future of a cloud cavity; An interaction between the re-entrant jet and the cavity interface in the closure region leading to the increasing of the local pressure.还原水利图文0Gk~_#jl%hbS9Z
结果表明：云状空穴可以分为两个区域，在前一部分是以基本稳定的附着区域，其内部的压强基本上为汽化压强，内部充满了水蒸汽，而后部的大部分区域是准周期性非定常汽液两相运动区域；云状空穴的脱落的直接原因是由于在水翼中部形成的高压区，而后部反向流动和前部的高速流动相互作用导致了高压区的产生；云状空化条件下，在前部对应于附着空穴区具有和单相流动相同的速度分布，而在后部则形成了大的速度梯度变化。
Based on sandblast working principle and structural characters of blast gun, free jet model was developed in eject sect.
根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。
A modified k-ε model, a k-ε-kp gas-particle model and a EBU-Arrhenius model is applied in the simulation of turbulent free jet flow of pulverised coal combustion in different load cases.
采用修正的k-ε湍流模型，利用k-ε-kp气固两相模型和EBU-Arrhenius燃烧模型模拟了不同工况下煤粉气固两相自由射流燃烧的过程。
The structure of Mach shock disk is analysed emphatically by constructing free jet model, adopting compressible liquid axial symmetric N-S equation and RNG k-ε model.
建立了自由射流模型，采用了可压缩流体轴对称N-S方程和RNG k-ε模型，重点分析了出流为欠膨胀波时的马赫盘结构。
Aim To acquire key parameters of needle-free powder jet injection and to establish a needle-free powder jet injection system.
目的获得粉末无针注射的优化技术参数，初步建立粉末无针注射给药系统技术平台。
It is the first time that gelatin gel has been used as a target to investigate needle-free powder jet injection, and the gel is practical and convenient.
以模拟人皮凝胶作为实用、便捷的注射靶标，可大大简化实验步骤，并得出具有参考价值的结果。
Based on Mie scattering theory, the basic principle and test method to evaluate air solid two phase particle distribution and mean concentration is presented. A series of experiments have been made to prove the theory with the powder of aluminum oxide in an air particle free jet.
根据Mie散射理论，论述了气固两相流颗粒相粒度分布和平均浓度测量的基本原理和试验方法，利用氧化铝粉末气固两相自由射流试验台，进行了一系列实际测量。
The principle of free jet density flowfield measurement using an acetone planar laser-induced fluorescence (PLIF) technique was introduced, and then the density flowfield structure of under-expanded free jet adulterated with acetone vapor was visualized by the PLIF technique under the two injection stagnation pressure conditions.
介绍了利用丙酮平面激光诱导荧光（PLIF）技术测量自由射流密度场的原理，并对两种射流总压下含有丙酮蒸气示踪剂的欠膨胀自由射流的密度场结构进行了显示。