And the operating condition which is called "i" is the degree of allotting the full compress ratio.
4℃和90℃的系统蒸发、冷凝和发生温度下,计算了R141b、R134a、R123和R22四种制冷剂时系统性能系数与总压缩比的分配度i的变化关系,确定了不同制冷剂时系统总压缩比的最优分配;提出太阳能风冷喷射式制冷系统的总压缩比分配应采用最大制冷系数原则,而不能采用均匀分配原则;计算得到了不同制冷剂时喷射器的压缩比变化对喷射系数的不同影响程度;对于总压缩比在5。
And a new method of apportioning the full compress ratio was proposed which will change when the full compress ratio is bigger or smaller than 5.
建立了该系统的物理模型和数学模型,分析了系统的性能和工作特性;在给定的系统蒸发、冷凝和发生器温度下,计算了R141b、R134a、R123和R22四种制冷剂的COP与两级间压缩比的分配度i的变化关系;得到了该四种制冷剂的压缩比变化对喷射系数的不同影响程度;提出了系统总压缩比在5。
A multiobjective optimization for a two-stage axial-flow compressor design was performed for maximization of the overall adiabatic efficiency and the total pressure ratio.
针对一台两级轴流压气机,选定优化设计的目标是最大的总压比和最高的总绝热效率。
The ratio of the total number of bits in a block before compression to the total number of bits in the same block after compression.
压缩前一个信息组中的总比特数与压缩后该组中的总比特数之比。
Total number of bytes after compression. This number compared with the total bytes is the compression ratio.
在压缩后字节的总数。这个数字与所有字符总数的比为压缩比率。
The Research on the Intellignet Electrol-Hydraulic Roportional Vavle Controller Based on Fieldbus;
基于现场总线的智能液压比例阀控制器研究
Table2. Comparison of common carotid arterial IMT, D and I/ D between essential hypertensive group and control group.
表2.高血压组与对照组颈总动脉内膜-膜厚度、腔及壁/比值比较.
China's population continues to grow, the proportion of the aged is getting larger, and the pressure on employment and social security is mounting.
人口总量继续增加,老龄人口比重上升,就业和社会保障压力增大;
The Contrast Investigation Between the Two Method of Sealed Digestion Speediness and High Temperature and Pressure by the Disinfector of Pressure and Steam in the Mensurement of Total Phosphorus;
总磷测定中快速密闭消解与压力蒸汽消毒器消解的对比研究
Effects of Three Different Extracts of Rhodomyrtus tomentosa (Ait) Hassk on Common Carotid Artery Pressure in Normal Animals
山菍不同提取物对正常动物颈总动脉血压影响的比较研究
diffuser assembly
扩压器总成扩散器总成
Total Debt to Total Assets
总债务与总资产比率
-Better her than me...
-杀她总比杀我好...
Percent of population
(占总)人口百分比
An open letter to President Habibie
致哈比比总统的公开信
high supercharged engine of low compression ratio
低压缩比高增压发动机
Aeration porosity is more sensitive than total and capillary porosity to reflect soil compaction degree.
与总孔隙度和毛管孔隙度相比,通气孔隙度在反映土壤压实时更为敏感。
debt ratio: Ratio of total liabilities to total assets.
债务比率:总负债对总资产的比率。
joint contact surface
连接接触面总压紧载荷
comb pitot
总压梳状管, 梳状皮托管