对燃料喷入时的燃烧室温度、压力及推进剂余氧系数等工作参数进行了试验研究。
The effect of the combustor temperature, pressure and coefficient of residual oxygen was experimentally investigated when the fuel was injected into the combustor.
论述了钛设备在国内的应用,介绍了现行的钛容器制造技术标准及各种钛材的最高设计压力、设计温度和安全系数。
The application of titanium vessel in domestic, the active manufacture standard and the titanium's design pressure, design temperature and safety factor were discussed.
实验结果表明:复合材料具有明显的渗滤效应及正温度系数效应。
The results showed that the composites exhibited percolation threshold effect and positive temperature coefficient effect.
通过计算获得了界面温度、速度、溶质浓度及非平衡分配系数随界面位置的变化。
The interface temperature, velocity, solute concentration and non-equilibrium partition coefficient varying with interface location are calculated.
简要介绍了自限温型PTC(正温度系数)电热带的结构、工作原理及性能特点;
The construction, work principle and characteristics of the temperature limited PTC(positive temperature coefficient) heating cable are briefly presented.
主要研究了PT C材料的开关温度、样品的室温电阻及耗散系数等特性参数对发热体功率的影响。
The influences of the PTCR's characteristic parameters such as switching temperature, room resistance of samples, and dissipation coefficient, etc. on the thermal power of heaters are investigated.
由材料的失效温度及铸件的壁厚,直接找到该材料的失效距离,从而计算其损耗系数。
Based on the clay degradation temperature and casting section thickness, the degradation region can be determined directly, and the consumption coefficient can be calculated.
研究了某些无机铅盐和氧化铝对燃速压力指数及温度敏感系数的影响。
Effect of some inorganic lead salt and aluminium oxide on burning rate pressure exponent and temperature sensitive coefficient of polyurethane composite solid propellant have been investigated.
结果表明,传热系数与表面温度密切相关,但相关程度取决于颗粒粒径及筛分范围。
It has been shown that the heat transfer factor is closely related to the surface temperature, but the degree of correlation depends on the particle diameter and sieve range adopted.
本文分析了非平衡电桥的测量原理及灵敏度,提出了一种测量电阻温度系数的方法,实测结果说明该方法是正确的。
Measuring principle and sensitivity of non-balanced bridge is analyzed. A method of measuring temperature coefficient of resistance by this bridge has been discussed in this paper result is accurate.
高分子自恢复保险丝是一种新型正温度系数的过流保护元件,其使用及选用都有一定的规则。
The macromolecules self-healing fuse-wire is a new excess current protection component of plus temperature coefficient. Its application and choice should comply with a certain rule.
本文研究了引发剂浓度、反应温度及反应时间对表观接枝率(g_a)和抗收缩系数(ase)值的影响。
In this paper, the concentration of initiators, reaction temperature, reaction time and their effects on apparent grafting efficiency (G_a) and anti-shrinkage efficiency (ASE) value have been studied.
同时还测定了上述物质直至接近临界点的蒸气压及饱和液体密度,并提供了与温度关联式的系数值。
Vapor pressures and saturated liquid densities for all above compounds were also determined near the critical points, and the coefficients of correlation to temperature are provided.
研究了两个不同温度的圆柱体在相互热压时,其间的接触热传导系数与热工件的初始温度及压力之间的关系。
The purpose of this article is to study the relation of the interface heat transfer coefficient with initial temperature of specimen and pressure as two non-isothermal cylinders contact each other.
当刹车比压和能载增加时,经过不同温度处理的四种试样干态及湿态平均动摩擦系数均相应下降。
The average dynamic FC of four kinds of samples treated under different temperatures was reduced in dry and damp condition as brake pressure and energy were raised.
结果表明,温度、平均电流密度、频率、逆向脉冲系数及占空比对镀层性能和微观形貌有较大影响。
The results showed that the temperature, average current density, frequency, reverse pulse coefficient and duty cycle had great impact on the microstructure of coatings.
统计结果和实测资料的比较以及统计分析的相关系数结果表明,高原地区的气温、地面温度和它的年较差与经度、纬度及海拔高度具有很好的相关性。
It is demonstrated that the air temperature, ground temperature and their annual ranges in the Tibetan Plateau are highly correlated with corresponding latitude, longitude and elevation.
结果表明,换热系数是影响淬火结果的主要因素,淬火介质的温度及零件的预热温度对于零件淬火后的性能影响很小;
The effects of technical parameters to quenching result are researched, heat transfer coefficient, preheat temperature and quenchant temperature are regarded as the object variable.
笔者运用吴宏鑫提出的全系数自适应控制方法及经验公式,对啤酒发酵温度进行控制。
By means of the all-coefficient adaptive control method presented in literature and an empirical formula, the authors are capable of controlling the fermentation temperature of beer brewery.
测得材料的基准温度电阻,电阻温度系数及能够确定传感器工作范围的临界温度。
The resistance at reference temperature, its temperature coefficient, and the critical temperature of the material that the operating range of the sensor depended on have been obtained.
实验研究了不同操作温度对分离系数及渗透通量的影响,并考察了该复合膜在丙酮水溶液中的耐久性。
The permeation rate of water and the separation factor were examined at several operation temperature. The acetone-tolerant property of the composite membrane was investigated experimentally.
在经典岩石力学和弹性力学基础上,考虑压裂液渗滤、井壁岩石温度降低及围岩系数等影响,建立了水平井破裂压力计算模型。
Considering fracturing fluid filtration, wall temperature drops and coefficient-wall rock, established the fracturing pressure model based on classic rock mechanics and elastic.
多种温度系数,适用于谐振回路及温度补偿效应的电路。
Designed from all series TC series TC suits for oscillation and temperature compensate compensate circuit.
研究了铝合金及不同成分复合材料在不同温度及载荷下的摩擦系数和磨损率;
The friction coefficients and wear rates of the aluminum alloy and composites reinforced with ceramics of different volume fractions were measured at various temperatures and loads.
电光系数随温度变化及应力双折射引入的最大退偏损耗分别为2.38%和4.04%。
The largest depolarized loss induced by variation of electro-optic coefficient and stress birefringence is correspondingly 2.38%, 4.04%.
研究了可膨胀石墨含量和温度对复合保护渣导热系数的影响规律。研究结果可用于:计算钢锭模帽口散热及帽口内钢水凝固时间;
The effect of expanding graphite content and temperature on the thermal conductivity of compound mold flux is studied through laboratorial measures.
研究了可膨胀石墨含量和温度对复合保护渣导热系数的影响规律。研究结果可用于:计算钢锭模帽口散热及帽口内钢水凝固时间;
The effect of expanding graphite content and temperature on the thermal conductivity of compound mold flux is studied through laboratorial measures.
应用推荐