1) compression ratio
压缩比
1.
Study of DME HCCI Engine Emission Characteristic with Different Compression Ratios;
变压缩比二甲醚均质充量压燃发动机排放特性的研究
2.
Investigation of geometric theory of double-arc modication of scroll compressor and its compression ratio;
涡旋压缩机双圆弧修正的几何理论和压缩比研究
3.
Study on the Compression Ratio Optimization of a LPG-Diesel Dual Fuel Engine;
LPG/柴油双燃料发动机压缩比优化研究
2) squeezing ratio
压缩比
1.
Based on the linear quantum theory and thermal reservoir model, we quantized the non-linear Schrdinger equation with fiber loss and derive the squeezing ratio formula.
基于线性量子化理论和热库模型量子化了含损耗的非线性Schrdinger方程并给出了孤子脉冲在含损耗的光纤中传输的压缩比计算式,用数值计算方法分析了不同光纤损耗对孤子最小压缩比的影响以及在此模型下不同输入振幅的孤子脉冲其最小压缩比与传输距离的关系。
2.
The changes of the squeezing ratio of soliton with the propagation are studied by the numerical simulation.
在线性近似条件下,求解了考虑光纤损耗的量子非线性Schr dinger方程,并用数值法计算了在光纤中孤子的压缩比随传输距离的变化。
3.
Based on the linearization approximation, nonlinear Schrdinger equation is quantized, the influences of the initial chirp on soliton squeezing ratio was studied by using back propagation method.
在线性近似条件下，量子化了非线性薛定谔方程，用后向传播法数值求解了初始啁啾对光孤子压缩比的影响。
3) compression rate
压缩比
1.
The main content of this paper is to reduce the emission by optimization of cam phase and compression rate of engine,emphasis on the 40s of cold start in the front of emission test cycle.
研究了汽油机为满足我国第3阶段排放法规而进行的本体优化,主要介绍了配气相位和压缩比的优化及优化后发动机排放的减少,重点分析了优化方案对发动机在整车排放测试循环中冷起动前40 s的排放影响。
2.
And then the constructing theories and basic algorithms for some indexes, such as compression rate, the quality of the compressed image, compression velocity, and complexity .
为了正确评价图像质量,首先给出了用于遥感图像压缩质量评价的主要评价指标和相关概念,并讨论了图像压缩比、压缩质量、压缩速率和复杂度等评价指标的构建原理和基本算法;然后在此基础上,开发了遥感图像数据压缩质量评价软件。
3.
In this study,the effects of compression rate on physical properties(hardness,springiness,chewiness,gumminess,cohesiveness and resilience) of tenderizated beef were investigated by means of TA-XT2i texture analyser.
本实验采用TA-XT2i质构仪研究嫩化牛肉在不同的压缩比条件下硬(脆)度、弹性、咀嚼性、胶着性、黏聚性以及回复性值的变化情况,然后进行相关性分析,以确定嫩化牛肉物性值的测定条件。
4) compress ratio
压缩比
1.
On the basis of discussing the positive effect of high compress ratio, high pressure injection, and other factors on diesel engine combustion process, the article puts foreword that utilizing high compress ratio and making use of high pressure common rail injection system to realize high pressure injection and b.
在讨论高压缩比与高压喷射等因素对柴油机燃烧过程积极影响的基础上,提出了使用高压缩比与利用高压共轨喷射系统实现“靴型”喷油率和高压喷射,以及使用其他措施改善柴油机燃烧过程的方案,来实现降低柴油机排放的目标。
5) compressing ratio
压缩比
1.
The paper discusses the choice of compressing ratio,the design of igniting system,other relevent techniques and existing problems in the conversion of diesel engine into CNG engine used in automobiles for urban public transportation It also makes a comparison of the functions between them through experiment
介绍了柴油发动机改为CNG发动机时压缩比的选择、点火系统的设计以及其它有关技术和存在的问题 ,并对城市公交柴油汽车的发动机改为CNG发动机前后的性能进行试验比较。
2.
In this paper,we analyze the bulk modulus of dough,compressing ratio,compressibility,and the function relationship between bulk modulus and compressing stress,compressing and compressing stress,bulk modulus and compressing ratio, compressibility and compressing stress are obtained after analyzing with SPASS and MATLAB.
本文通过对面团进行压缩试验,研究了在不同压应力下面团的体积模量、体积比、可压缩性等参数以及面团的体积模量与压应力、压缩比与压应力、体积模量与压缩比及面团的可压缩性与压应力等参数之间的关系,通过分析,获得了上述各参数之间的函数关系。
6) high compression ratio
高压缩比
1.
The test result shows that using EGR is an important approach to solve related difficulty for high compression ratio methanol engine.
试验结果初步说明利用废气再循环,是高压缩比甲醇发动机解决相关问题的重要途径。
补充资料：压缩比
内燃机气缸最大容积与压缩容积的比值，是内燃机的重要结构参数（见图）。活塞处于下止点时气缸有最大容积，用Va表示；活塞处于上止点时气缸内的容积称为压缩容积，用Vc表示。内燃机的压缩比ε为 ε 为几何压缩比，它表示活塞从下止点移动到上止点时气缸内气体被压缩的程度。活塞位于下止点时进气门或进、排气口尚未关闭，故有时须用有效压缩比ε0的概念。ε0指内燃机进、排气门(口)开始全部关闭瞬时的气缸容积与气缸压缩容积之比。凡未经特别指明的压缩比均指几何压缩比。压缩比对内燃机性能有多方面的影响。压缩比越高，热效率越高，但随压缩比的增高，热效率增长幅度越来越小。压缩比增高使压缩压力、最高燃烧压力均升高，故使内燃机机械效率下降。汽油机压缩比过高容易产生爆震。柴油机压缩比过低会使压缩终点温度变低，影响冷起动性能。压缩比能使内燃机排气中有害成分（如NOX、烃类、CO等）的含量发生变化。现代柴油机的压缩比一般在12～22之间，但超高增压柴油机的压缩比可低至8。现代汽油机压缩比为6～10。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条