Normally fluid volume measuring method is used for compression ratio measurement. 通常使用液体体积法测量压缩比。
Adequate selection of high-low pressure volume ratio of double-stage refrigeration compression system 合理选择双级制冷压缩的高低压容积比
A novel fast algorithm for real time SAR imaging is presented to decrease the volume of compression computation. 此算法在并行多处理器上实现了合成孔径雷达实时成像,提高了成像处理速度,减少了成像迟延。
In order to reduce the volume of IC test data, an index coding compression scheme based on test data partition merging is proposed. 为降低集成电路的测试数据量,提出一种分组合并的索引编码压缩方案。
An Efficient Algorithm for Large-Scale Volume Data Compression and Its Application in Seismic Data Processing 一种高效体数据压缩算法及其在地震数据处理中的应用
Displacement indicates engine size, and compression ratio compares the total cylinder volume to compression chamber volume. 位移表明发动机的大小,和压缩比比较气缸总容积压缩室容积。
Compression process: With the rotor rotation, compression chamber volume decreases, the gas compressed with the compression chamber until the exhaust port to the forefront. 压缩过程:随着转子旋转,压缩腔容积不断减小,气体随压缩直至压缩腔前沿转至排气口。
It is indicated that the coefficient of fullness not only depends on the clearance volume coefficient and the ratio of the gas volume to the liquid volume, but also lies on the compression ratio ( the ratio of the discharge pressure to the sinking pressure). 这种方法充分考虑了余隙容积对充满系数的影响,指出抽油泵的充满系数不仅取决于余隙容积系数与泵吸入口的气液比,而且还取决于压缩比。
Variation of pore water pressure and volume strain of saturated clayey soil during high pressure compression test 饱水粘性土高压密实过程中孔压及体应变变化试验研究
The volume weight, the compression strength with grain, the tension strength with grain and the bend strength of the culm all increase with the age of bamboo, gradually reach the maximum at the age of 6& 7 years, and then decrease slightly. 竹材的公定容量、顺纹抗压强度、顺纹抗拉强度、抗弯强度都随竹龄增加而增加,至6~7年生达最大值,7年以后略有下降;
Welding practice indicates that the procedure used fulfills technical requirements of large volume MT-2 compression bumper. 实际应用表明,该工艺满足了MT&2型大容量缓冲器箱体技术要求。
The effects of volume fraction and concrete strength on ultimate compression strength of fiber concrete are studied experimentally. 根据试验结果,分析了钢纤维混凝土受压极限强度与钢纤维体积掺率、基体强度等级和纤维形状的关系。
Simulated volume compression and the equation of state for MgO are in good agreement with experimental values at 300 K. Therefore, the equation of state for MgO is further simulated at higher temperatures and higher pressure. 温度300K时模拟的MgO体积压缩率和实验值基本一致,且模拟的状态方程和实验值也吻合得很好,并进一步模拟了更高压强更高温度下MgO的状态方程。
In order to decline its power loss, volume and weight, the software filtering and the data compression are adopted. 为了降低功耗,减小重量和体积,采用了软件滤波,数据压缩存储等方法。
Six sorts of PZT/ PVDF composites are obtained with different PZT volume ratios by compression mould/ sintering technique. 在自制模具上采用模压/烧结工艺获得了六种含PZT不同体积含量的PZT/PVDF复合材料;
The principle of operation and the main points of design of magnetic pulse compression ( MPC) are briefed, and the effect of Bs, Br and core loss of magnetic material on the volume, efficiency and compression ratio of the saturable reactor has been discussed. 本文简述了脉冲磁压缩工作原理和设计要点,重点介绍了非晶态合金及超微晶合金铁芯的损耗只饱和磁感P,及剩磁Br对磁压缩电感器的体积、效率及压缩效果的影响。
Direct rendering of large-scale volume data based on vector quantization compression 基于矢量量化压缩的大规模体数据直接绘制
Several kinds of resin/ flexible graphite composites were prepared. The influences of the type and amount of resin on properties of composites were investigated in terms of volume density, shore hardness, specific resistance, compression ratio and rebound resilience ratio of the composite products. 采用热压法制备出不同种类树脂&柔性石墨复合材料,研究了树脂种类与用量对复合材料的体积密度、肖氏硬度、电阻率、压缩率及回弹率等性能的影响;
The dilatation process of coal mass is depicted by 3 characteristic quantities, namely, volume compression, steady dilatation and dilatation mutation. 用3个特征量描述了煤体扩容变化的过程,即体积压缩、稳定扩容及扩容突变。
In addition, the volume compression data of MgSiO_3 perovskite is simulated up to 120 GPa at 300, 900, 2000 and 3000 K, respectively. 另外,还分别计算了300、900、2000和3000K压强上升到120GPa时MgSiO3的体积压缩率。
Therefore, regarding the effect of sensitivity of stress state and plastic deformation of volume, the materials with different behavior in tension and compression cannot be simplified as the ideal materials. 因此,对于拉压性能不同材料,考虑到其对应力状态及塑性体积变形敏感时,是不能将其简化成拉压性能相同、体积不可压缩、强化曲线唯一的理想材料。
Because of the man-made cracks existing, the volume expansion values of the frozen cracked-rock sample under uniaxial compression are large than those of the frozen intact rock sample. 预制裂纹的存在导致冻结裂隙砂岩试样的扩容量大于完整冻结试样破坏时的扩容量。
Effects of strain rate, liquid volume fraction and liquid viscosity on deformation force of semi-solid compression of metals 应变速率、液体体积分数和液体粘度对金属半固态成形变形力的影响
The volume compression of α-LiIO_3 has been studied by X-ray diffraction in a diamond anvil cell up to 23.0 GPa at room temperature. 用金刚石压砧高压X射线衍射技术研究了α-LilO3在室温高压下的压缩行为,压力达23.0GPa。
Some indicators of law, such as the method of calculation of volume compression coefficient matrix need to use density values, so the density of the strike will also affect the skeleton to the method and its application. 体积压缩系数法需要用到骨架密度值,因此骨架密度的求取也会影响到该方法的应用效果。
Variable experimental parameters include steel fiber volume ratio, column axial compression ratio and range of steel fiber concrete in the beam. 试验的变化参数包括节点核心区所掺加的钢纤维的体积率、柱端的轴压比以及钢纤维伸入梁内的范围。
In the entire process of elastoplastic deformation of the medium dense sand, the volume strain changes from compression to expansion before failure, called as dilatancy. 在中密砂整个的弹塑性变形过程中,体积从压缩到临近破坏时转变为膨胀,即出现了剪胀。
Furthermore, the volume of remote sensing data is huge, images compression system demands more efficiency. 再加上遥感图像数据通常都很庞大,对于图像压缩系统的有效性就提出了更高的要求。