查询词典 variable compression ratio

The main results of the study are obtained as follows:1 In order to analyze and study the physical and mechanical characteristics of Lianyungang marine soft clay deeply, large numbers of basic mechanical characteristics tests and tri-axial shear tests are completed.2 In order to investigate the loaded and failure characteristics of the cement-soil, the cement-soils for the different ratio and different cure time are studied in the laboratory, and their unconfined compression tests and tri-axial shear tests are performed.3 Based on the solution of one-dimension consolidation, the one-dimension consolidation of the double-layered foundation is solved for two-grade loading in virtue of transcendental equation; Simultaneously, the one-dimension consolidation of the double-layered foundation is solved by means of Laplace transform for two-grade loading, and Stehfest numerical transform is applied in Laplace's inverse transformation; Furthermore, according to the practical foundation shapes, the consolidation models of the soil between piles and the substratum are built and solved respectively.4 The effect of each parameters on the consolidation of the double-layered foundation is discussed, and the solution of load transfer method for double-layered foundation is applied in A1-A4 section of Lian-Xu expressway. The results of calculating settlement of the double-layered consolidation theory are basic agreement with the measuring settlement results.

取得了以下几方面的研究成果：1针对连云港海相软土进行一维固结和三轴剪切试验，深入分析连云港海相软土的物理力学特性。2模拟水泥土搅拌桩施工，在室内制备不同配比、不同龄期的水泥土试样，并进行无侧限抗压试验和三轴剪切试验，揭示水泥土的受力特性及破坏特性。3运用超越方程，以双层地基一维固结解析解为基础，推导出二级加荷条件下双层地基的固结解析解；同时，通过荷载传递法并借助Laplace变换对双层地基的固结问题进行了数值求解；此外，根据实际的地基结构，建立了桩间土和下卧层的固结模型并分别进行求解分析。4分析探讨了双层地基中各参数对双层地基固结的影响程度，并运用荷载传递法的解答计算了连-徐高速公路A1-A4标水泥土搅拌桩处理段的六个断面，计算结果与实测数据有较好的一致性。

It has the best compression ratio and speed among free lossless video codecs.

它拥有最佳的压缩比率和速度之间的免费的无损视频编解码器。

Its compression ratio is 3 to 5 times as large as netCDFg and is close to the lower limit in theory.

该方案具有极高的压缩比，并能保证在有效精度内数据完全无损。

Therefore by lowering the compression ratio and increasing boost the engine power and Mean Effective Pressure can be proportional increased without exceeding peak cylinder pressures.

因此在超过汽缸上限压力情况之下，降低压缩比以及加大增压，可以增加引擎马力以及燃气爆炸后的有效压力。

Then hemorrhage of puncturing site, postoperative compression time of puncture point, incidence of postoperative urine retention and one time achievement ratio of artery puncture of the two group cases were observed and compared.

观察并比较两组病人穿刺部位出血情况、术后穿刺点压迫时间、术后尿潴留发生率、一次动脉穿刺成功率。

The real yield criterion under the condition of consideration of poisson ratio or different properties of tension and compression is discussed.

分别探讨了在考虑泊松比μ的影响和材料拉压强度不相等的条件下的实际屈服准则。

Because flexo are elastic, compression distortion occurs, leading to the actual print area ratio ideal value.

因为柔性版是有不塑性的，受不抬后会爆发变形，导致本质着不朱背积比抱负值给不小。

Experimental results showed that, compared with traditional wavelet-based image compression algorithms, this algorithm could alleviate the blur of image edge and improve the recognizability of the compressed images and peak signal to-noise ratio.

实验结果表明，和基于小波的传统编码方法相比，在低比特率下，该算法能减少图像的边缘模糊，提高压缩图像的识别度和峰值信噪比。

Two different measuring methods of compression ratio are compared and discussed for different applied limits, merits and defects of each are analyzed relevantly.

本文还对两种不同测量压缩比的方法进行了比较研究，提出了两种方法的使用范围，对各自的优缺点进行了相应的分析。

The DVCAM format uses 8-bit digital component recording with a 5:1 compression ratio and a sampling rate of 4:1:1 / 4:2:0.

DVCAM格式采用8 -bit比特数位分量记录，压缩比为5：1，采样频率为4：1：1(for 525/60 NTSC) 4：2：0(for 625/50 PAL)。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。