So far, the FDA has not cleared any influenza vaccine for jet injection. 到目前为止,FDA已经不允许任何喷射注射流感疫苗。
The shock induced total pressure losses decrease with decreasing jet incidence angle and injection pressure, where the largest losses are incurred by the 90 degrees, circular injector. 激波总压损失随射流角和动压比的减小而减小,最大损失发生在90°圆形和菱形喷射器。
Trajectory of Jet Axis During Horizontal Injection of Air into Water 空气水平喷入水时射流轴的轨迹
Indirect ELISA showed that the levels of anti-preS IgG were in the following sequence from high to low: jet gun, intramuscular injection, and epidermal groups. 间接ELISA检测结果表明:抗preS的IgG抗体水平为基因枪>正常肌肉组>皮下注射组。
For high power laser of low cavity pressure, a new type of aerodynamic window using jet injection is researched and produced. 针对大功率低腔压激光器研制了利用喷流引射原理形成低气压密封的引射式气动窗口,并进行了密封性能实验和光束质量测试。
Influence of Pressure Pulse in High Pressure Pure Water Jet Injection Noise 压力脉动对高压纯水射流喷射噪声的影响
Numerical Simulation on Viscous Supersonic Crossflow with Jet Injection 喷流与超声速主流粘性干扰流场的数值模拟
Analysis of gas jet diffused feature in gas-assisted injection molding 气辅成型中高压气体射流扩散特征分析
The diameter of jet pipe, injection velocity, air flow velocity and the throttle opening had fundamental effects on the diffusion of the natural gas jet. 喷管直径、喷射速度、空气流量和节气门开度对控制天然气喷流的扩散有重要影响。
Development of a jet mixer for polymer injection. The impinging jet injection device improves combustion efficiency. 注聚射流混合器的研制与两股燃气射流向外喷射相比,两股燃气射流向内喷射的燃烧效率明显高;
The system includes ejection rocket test motor with strut free jet gas supply system, liquid fuel injection system and data acquisition system. 实验系统包括以支板为特征结构形式的引射火箭试验发动机、自由射流气路系统、燃料喷注系统和压强推力数据采集系统。
The Design and Application of the Jet Injection of Plastic Jetting-moulding Machine 塑料注塑机快速注射部分设计与应用
Pilot Study of Needle-free Powder Jet Injection Drug Delivery System 粉末无针注射给药系统试验性研究
Mechanism of grinding jet uesd for slit to increase yield and injection in oil well 油井中磨料射流割缝增产增注机理
Characteristics of using a jet pump for a boron injection system in nuclear heating reactors 核供热堆注硼系统喷射泵的特性研究
Study of annular La jet ignition and burning properties in regenerative injection process 液体药再生喷射燃烧特性的实验研究
This article used a method, which established shrinkage pipe at the jet flow outlet, so as to enhance the jet fans outlet injection velocity. 本文采用在射流风机出口设置收缩管以提高射流速度的方法。
The Design Characteristics of CO_2 Needle-Free Jet Injection Devices and their Applications CO2无针喷射注射装置的设计特点与应用
The results are as follows, the initial jet velocity and droplet size are dependent upon injection pressure drop, surface tension and viscosity of li-quid. 结果表明:液滴的初始速度和直径主要受喷射压降、液体表面张力和粘度的影响;
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。
Some parameters affecting the supersonic flowfield, including the total pressure ratio of jet to freestream, slot width of injection, and the angle of injection were studied in more detail. 探讨了射流/主流总压比、射流宽度、以及射流与来流夹角对射流穿透深度、分离距离等影响,揭示了二次射流推力矢量控制干扰流场的控制机理。
The effects of jet diameter, injection orientation, interior structures, and enclosure aspect ratio on heat transfer augmentation are illustrated with analysis of experimental results. 通过对实验结果的分析阐明了喷射直径、喷射方向、内部构件和腔体比例对传热增长的影响。
But relying on the traditional mechanical control fuel injection system has been unable to meet fuel injection volume, pressure and jet fuel injection is the best time in light of the requirements of operating conditions. 然而依靠传统的机械控制喷油系统已无法满足喷油量、喷油压力和喷射正时完全按最佳工况运转的要求。
Choosing suitable filter material and effective dust-cleaning mode were key factors for successful bag filter. Filter material directly determined life-span of filter-bag. Dust-cleaning technique affected the stability of bag filter. Chamber type jet injection bag filter was a new pattern. 选择适宜的滤料和有效的清灰方式是袋式除尘器应用是否成功的两项关键因素,滤料直接决定滤袋的使用寿命和过滤性能,清灰技术则关系到除尘器的长期稳定运行。
The grinder is designed based on machining polishing devices, for jet system respectively for pressure module, injection module and material feeding module design, and analyses the working principle of the jet system and the key technology. 设计了基于外圆磨床实现加工的抛光装置,对射流系统中供压模块、喷射模块和供料模块进行了分模块设计,并分析了射流系统的工作原理和关键技术。