| 1. | They varied both chamber pressure and mixture ratio, making use of a stepfunction change in the oxidizer injection rate . 他们通过用氧化剂喷射速率阶跃函数变化的方法来改变气室压力和混合比。 |
| 2. | The theory of the expansion volume pressure rise is predicted 说明了膨胀室压力上升的机理。 |
| 3. | Calculation of the pressure of the internal trajectory and the gas - operated chamber of the heavy caliber machine gun 大口径机枪内弹道及导气室压力的计算 |
| 4. | A graph of temperature against time also shows the plot of the chamber pressure throughout the experiment 温度与时间图也显示实验过程中腔室压力的曲线。 |
| 5. | Room pressurization test . this test is to verify that there is a proper amount of positive / negative room air pressure 洁净室压力测试。该项试验用于检验洁净室正/负气压的合适性。 |
| 6. | The pressure can now be controlled by the new linkam vc94 motorized valve . simply type a chamber pressure and observe the new stable vacuum in less than a minute 压力可以由新研制的vc94自动阀控制。简单的输入腔室压力,一分钟之内可以看到新的稳定的真空。 |
| 7. | Furthermore rev of motor of regulation mode is altered the original strap transmission mechanism for changing frequency mode , which can be avoid error that is caused by mechanism 本控制系统主要模拟回转式密封环的工况,并根据所采集的油室压力的性能曲线判断回转式密封环性能的好坏。 |
| 8. | The influence of various factors , including lowest pressure of the vacuum chamber , water content and size of the sample in three states of solid , lidquid or syrup , on cooling rate and on final sample temperature in self - freezing by vacuum pumping , was studied 摘要以液态、浆态和固态三种不同类型的物料为对象,通过大量实验研究了真空室压力、物料含水量和尺寸对抽真空自冻结的降温速率和对冻结最终温度的影响规律。 |
| 9. | The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves , the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined 具体方法为:由动力学测量系统测得活动件速度和气室压力;分析活动件的受力,建立动力学模型;以运动总阻力代替水平方向上的摩擦阻力和水阻力,获得各运动阶段的阻力速度关系曲线;利用气室压力经验公式和阻力速度关系曲线,对水下突击步枪进行初步的动力学分析,确定其构造型式及主要参数。 |
| 10. | Larger growth pressure of buffer layer led to the dramatic increase of structural and optical quality of gan epilayer , and the improvement in quality was attributed to the transition of growth mode from 3d to quasi 2d , which was revealed by scanning electron microscope 发现缓冲层的生长压力变化对退火后缓冲层表面的状态影响极大,增大缓冲层生长时的反应室压力可以明显提高外延gan的晶体质量和光学质量。通过sem分析,发现提高缓冲层生长压力时,高温gan生长明显经历了从三维生长到二维生长的过渡,晶体质量明显提高。 |