n this paper, the curve equation of the laval nozzle′s inner shape is erected, and the application software which contains the laval nozzle′s CAD and CAM is designed.
建立了拉伐尔喷管内部形状曲线方程，开发了集计算机辅助设计与制造于一体的应用软件，为提高喷射式真空泵工作性能提供了工具与指导。
This nozzle has been pro-ved by actual measurements to be similar to the Laval nozzle as far as the characteristies of theoxygen jet are concerned.
实验研究证实,这种喷管和拉伐尔喷管的氧气射流的特性基本相同。
THE EFFECT OF RATE OF EXPANSICN ON THE CONDENSATION OF SUPERSONIC WET STEAM FLOW IN A LAVAL·NOZZLE
膨胀率对拉伐尔喷管超音速湿蒸汽流动凝结过程的影响
Making use of these results, we obtained an exact solution for the incompressible potential flow through a two-dimensional Laval nozzle.
利用这些结果得到了二元拉伐尔喷管内不可压缩位势流动的精确解。
Study on the Microstructure and Capability of the HVOF Spraying and Designing of the Laval Nozzle;
超音速火焰喷涂陶瓷涂层的组织与性能研究及拉伐尔管的设计
Design analysis and realisation of Laval nozzle for laser cutting
激光切割用拉伐尔喷嘴的设计分析与实现
De Laval extractor
德-拉伐尔离心萃取器
THE FEASIBILITY ANALYSIS OF LAVAL NOZZLE APPLIED TO THE COMPLEX ROCKET MOTOR
复合发动机选用拉瓦尔喷管的可行性分析
Improvement of Laval nozzle calculation model and simulative verification in aero-engine performance calculation
拉瓦尔喷管计算模型的改进及其整机仿真验证
Study of Dense Phase Pneumatic Conveying Mechanism & Application Study Adjustable Throat Area Laval Nozzle;
密相气力输送机理研究及可调拉伐尔管应用研究
THEORETICAL DERIVATION OF BIOT SAVART LAPLACE LAW
毕奥-萨伐尔-拉普拉斯定律的理论推导
Thrust Determination of an Engine with Laval Nozzle with Large Simulated Ambient Pressure Deviation
环境压力大偏差条件下拉瓦尔喷管发动机高空推力的确定
Martin Heidegger Searches Heraclitus “Truth of Being”-Interpretation s Limitation on Heidegger s “Pace of Return”;
海德格尔探访赫拉克利特的“无蔽”——海德格尔“回归步伐”的解释限度
The Laval Nozzle Design and Numerical Simulation of Flow Field for A Supersonic Arc-spraying Gun
超音速电弧喷枪的拉瓦尔喷嘴设计及流场的数值模拟
Headband with Jet Metallic Silver Crystal Mesh on Alcantara; rhodium-plated details; adjustable elastic band.
头带与金属喷银水晶网对阿尔坎塔拉;铑镀细节;可调橡皮筋。
Using the Biot Savart law calculate the magnetic field on a cylindrical solenoid of arbitrary area.
利用毕奥－萨伐尔定律，导出任意截面螺线管的磁场．
tractor for afforestation and timber-log collection
林用采伐集材拖拉机
You insulted Ralph when you called him a pig.
你管拉尔夫叫猪，你侮辱了他。
College de formation professionnelle administrative at Balbala [Djibouti]
巴尔巴拉专业管理人员训练学院