查询词典 temperature coefficient

The results showed that the residual yield point stress descended and cushion coefficient increased with the number of vibration and the acceleration increased. Cushion coefficient don't change much in the small stress stage; while in the large stress stage; cushion coefficient increases obviously.

结果表明，随着振动次数、振动加速度的增加，瓦楞纸板剩余屈服应力减小，缓冲系数增大，其中在小应力阶段缓冲系数变化不大，在大应力阶段，缓冲系数显著增大。

The effect of Gurney flap on double delta wing aerodynamics was conducted in low speed wind tunnel,the experimental results indicated that Gurney flap can promote the model s lift coefficient,maximum lift coefficient and lift-to-drag ratio at middle to high lift coefficient.

通过低速风洞实验研究了Gurney襟翼对双三角翼气动特性的影响，结果表明Gurney襟翼可以提高双三角翼的升力系数、最大升力系数以及中高升力系数情况下的升阻比。

Then a model to distinguish skin drag coefficient and form drag coefficient is established based on a floe drag experiment by using a wave-current tank in laboratory, and the quantitative relationship between skin/form drag coefficient and floe geometric parameters is established as a result.

水拖曳系数同海冰几何形态参数的关系才是提高拖曳系数适应性和准确性的最佳途径。

In traditional design for a wire-tube type condenser, the air's temperature around it is considered to be the ambient temperature. In fact, the air's temperature is affected by the distance between the refrigerator's back and the wall and is heated by the compressor and condenser, so its temperature is not equal to the ambient temperature. In this case, the traditional design method is not accurate.

传统的设计冷凝器的方法，是把丝管式冷凝器周围空气的温度当作环境温度，而实际上，由于受压缩机散热、冷凝器加热、冰箱后壁和墙壁之间的间距的影响，冷凝器周围空气的温度并不等于环境温度，因而传统的设计方法并不精确，为了保证设计的精确性，有必要对冷凝器周围空气的温度进行研究。

Many influential factors of this method were analyzed. The experimental results indicated: the mole ratio of urea, sodium hypochiorite and sodium hydroxide was controlled within the range of (1.10~1.12):1:(2.30~2.42), the temperature of low temperature reaction must be controlled under 20℃, the high temperature should intensify fast to backset current temperature while reacting and the time for raising temperature only within 5min, and the yield of hydrazine hydrate can be reach about 75.1%.

实验分析了尿素法生产水合肼的各种影响因素，实验表明，尿素、次氯酸钠与氢氧化钠的摩尔比为(1.10~1.12)：1：(2.30~2.42)，低温反应温度控制在20℃以下，高温反应阶段快速升温至回流后反应5min左右时，水合肼收率可达75.1%左右。

The proposed method has the merit that the numerical characteristics of stochastic temperature field response can be obtained by analyzing the random temperature field just in one time.3. Perturbed numerical algorithm of nonprobabilistic convex set theoretical models on the temperature fieldThe uncertain parameters of physical parameters and initial boundary conditions of heat conduction are described by the convex model. The perturbation formulas of the upper and lower bounds of temperature field response with unknown-but-bounded parameters are given via the combination of matrix perturbation theory and the convex set theory model.4. Numerical analysis for transient temperature field with interval parametersConsidering the uncertainties of the transient heat transfer, the physical parameters and initial boundary conditions are regarded as interval variables.

该方法具有只进行一次随机温度场分析便可以获得其响应的数字特征的优点。3、温度场的非概率凸集合理论模型的摄动数值解法将结构导热的物理参数、温度场的初始和边界条件等不确定性参数以凸模型加以描述，基于矩阵摄动理论和处理不确定问题的凸集合理论模型的结合，导出有界不确定参数瞬态温度场响应所在集合的上、下界摄动计算公式。4、具有区间参数的瞬态温度场数值分析考虑结构瞬态热传导问题的不确定性，将结构各物理参数和温度的初、边值条件均视为区间变量。

Because of the uneven temperature's distribution in the space,the detected temperature'value will vary with the different placement of the temperature sensor in detecting temperature and then need to know the distributing curve of temperature in the given space.

由于温度在空间中分布不均匀，在进行温度检测时会出现检出温度随着温度传感器放置位置的不同而不同的现象，这时就需要知道特定空间内的温度分布曲线。

Then, based on temperature prediction program and field study of the temperature on early-age characteristics of PCCP, and early-age temperature impact on the PCCP early and long-term performance and finally provide temperature on early-age of PCCP control methods and measures, detailedness as follows: 1、According to early-age of PCCP characteristics of heat exchange, Determine the the optimal models of factors of PCCP early-age temperature impacted.

本文首先基于有限差分数值分析研究了水泥混凝土路面早龄期温度场的预估方法；然后基于程序和现场试验研究了水泥混凝土路面早龄期温度场特征、早龄期温度场对路面早期和长期性能的影响，最后研究提出了改善路面性能的早龄期温度控制方法和措施。

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本公司具有完善的品管部门。