open tube
英 [ˈəʊpən tjuːb]
美 [ˈoʊpən tuːb]
空心管；开口管
双语例句
- The chorionic villi cannot be used to test for open neural tube defects.
但绒毛膜绒毛不能够被用于检测开放性神经管缺损。 - The Value and Analytic Comparison of Amniotic Fluid TChE and AChE for Prenatal Diagnosis of Open Neural Tube Defects
测定羊水总胆碱酯酶及真性胆碱酯酶活性产前诊断神经管缺损的分析和比较 - A gland bush flange connected to the bearing cap flange is arranged at the bottom of the open tube shaft.
在空心管轴底端有与轴承盖法兰连接的压盖法兰。 - Objective: Two intravenous solutions, the open system with tube and the plastic bag system were compared to determine the microbes and particle contamination.
目的：对开放式和封闭式输液的微生物和微粒污染状态进行对照比较。方法：按中国药典不溶性微粒和微生物法进行测定。 - For example, if an open test tube with some water in the bottom is placed in a room in which the air is relatively dry, water vapor will diffuse out through the column of air in the test tube.
例如，当一支底部有水的开口试管被放置在一间空气相对干燥的房间里，水蒸气就会通过试管中的空气柱散布出来。 - Open Tube Zn Diffusion Available for the Production of GaAs lR LEDs
适用于GaAs红外发光二极管生产的开管Zn扩散 - Zn-diffusion in GaAs Open Tube and Its Diffusion Model
砷化镓开管锌扩散及其扩散模型 - Therefore, longitudinal closed finned tube is superior to the open finned tube with the same structure parameters.
因此在结构参数一定时，封闭式纵向翅片管要优于开放式翅片管。 - The Study of Local Pressure of Open Steel Tube Confined Concrete Column and Iterative Steel Tube Confined Concrete Column
开口钢管混凝土柱及叠合开口钢管混凝土柱的局部受压试验研究 - The growth of Epitaxial films of Mercury Cadmium Tellurid ( MCT) with various x values from Te-rich solution in an open tube sliding system is studied.
用开管水平液相外延系统从富Te溶剂中生长了不同x值的MCT薄膜。 - Protective effects of skin transplantation on the open neural tube defects of spinal cord in chick embryos
皮肤移植对鸡胚脊髓开放性神经管缺损的保护作用 - The theory of the technics of open tube gallium diffusion and gallium diffusion are set forth, and the relationship between gallium diffusion and electric parameters of device is studied, and the mechanism to improve device performance is analyzed.
叙述了SiO2/Si系开管扩镓工艺和镓掺杂原理，研究了镓掺杂与器件电参数的关系，并分析了改善器件性能的机理。 - Results The difference of open pressure method of auditory tube and displacement method of pressure point of tympanic cavity were great, and coincidence rate between those with bad results through two methods above and those through pressure cabin method were respectively 23.4% and 28.0%;
结果咽鼓管开放压力测定法及鼓室压峰点位移法误差均较大，尤其是评定为不良者与气压舱法符合率分别为23.4%、28.0%； - AIM: To investigate pathologic procedures and protective effects of skin transplantation on the open neural tube defects ( ONTDs) model of spinal cord in chick embryos at different stages of embryogenesis.
目的：探讨皮肤移植对鸡胚脊髓开放性神经管缺损（openneuraltubede-fects，ONTDs）模型不同胚胎发育时期的病理演变过程及其保护作用。 - Doping Mechanism of Gallium Aluminium Diffusion of Open Tube
开管铝镓扩散的掺杂机制 - The principal muscle to open the eustachian tube and the cause of the incidence of otitis media changing with age was analysed.
分析了对咽鼓管开放起主要作用肌肉的功能和中耳炎发病率因年龄而变化的原因。 - As a calculational example, the shock diffraction propagation near the open end of a cylindrical tube has been simulated numerically, and the elaborate patterns of the complex flow field have been obtained which are in better agreement with the experimental shadowgraphs than that by TVD scheme.
以轴对称管端出口处激波绕射传播为例，作了数值模拟，得到与实验结果吻合很好的流场精细结构。 - Application of Open Tube Ga Diffusion System in Power Semiconductor Devices
开管镓扩散系统的研究及在电力半导体器件中的应用 - In this paper, starting with the equilibrium equations of curved open tube and using the method of fictitious distributing loading, we have obtained a system of ordinary differential equations with variable coefficients which can be used to calculate critical loads of structures.
本文从薄壁开口曲杆的平衡方程出发，应用假想分布载荷法，导出一组关于曲杆稳定性的变系数常微分方程。 - Research on an Open Tube Gallium-Aluminium Diffusion Technology
一种开管铝镓扩散工艺的研究 - The technique of open tube Zn diffusion is described in detail.
详细叙述了开管Zn扩散的方法。 - Because the technique of prefabricating and heat treatment after welding for the first ring skin plate with open slot welded tube in large crude oil tank is difficulty to master, it~, s been used to imported abroad.
大型储油罐底圈开口接管壁板预制与焊后热处理技术难度大，以前主要是从国外引进。 - The free diffractions of a weak shock wave issuing from an open end of a shock tube and the formation and development of a vortex ring from the end of the tube are observed by a schlieren method.
观测了弱激波自管口出射后的自由绕射和涡环的形成与发展； - In this paper the lost of Hg and its affections and control in open tube sliding LEP system are analysed theoretically.
在理论上对开管滑动系统中汞损失的影响作了分析和计算，提出了准平衡汞压的方法。 - The application of qualitative analysis of amniotic acetylcholinesterase in the diagnosis of open neural tube defects
定性分析羊水乙酰胆碱酯酶在早期诊断开放性神经管缺陷胎儿中的应用 - Open tube diffusive technique of semiconductor device
半导体器件开管扩散工艺 - As a result, heat dissipating capacity, metal thermal intensity and free convection heat transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube.
结果表明，封闭式纵向翅片管的散热量、金属热强度以及自然对流换热系数都要高于开放式翅片管。 - Test study and theory analysis on the single web stay member of open concrete filled steel tube with two main elements
钢管混凝土双肢柱单腹板肩梁的试验研究和理论分析