Determination of Criterion Condition for Replacing Curve by Straight Line of High-pier Continuum Curved Bridge 高墩连续曲线梁桥以直代曲判别条件的确定
But when the flow rate increased the influences of the bed structure, the way of loading bed material and the operating condition on the curve of pressure drop-velocity were relatively great. 上行程曲线受床体结构、物料装填方式和运行状况的影响很大。实验测定初始流化速度应采用下行程曲线。
Uses the distribution function transfering method, finds the condition probability curve of geheyan reservoir, and tests the feasibility of the condition probability curve. 应用分布函数转换法分析计算了隔河岩水库条件频率曲线,并对条件分布函数进行了可行性检验。
Introduced is a kind of space uniform rational spline curve, which possesses tension parameters and is based on hyperbolic spline functions. A necessary and sufficient condition for the curve being torsion curve in every sub-interval is given. 引入了基于双曲样条函数的、具有张力参数的空间有理等距节点样条参数曲线,给出了这种曲线在每个样条子区间上为挠曲线段(即非平面曲线)的充分必要条件;
The author analysed international study condition on diameter-height curve. 分析了国内外在树高曲线模型方面研究情况。
We projected the temperature pressure parameters of the bottom interface of the first sedimentary layer into the hydrate formation condition curve, we found that they are in the area of gas hydrate existence. 将这些地方海底第一层沉积底界面处的温度压力参数投于甲烷形成天然气水合物的温度压力图上,发现它们均出现于水合物存在之区域中。
A Judging Condition for Planar Irregular Curve Matching 平面非规则曲线匹配的一个判定条件
Assumption uniform sectional temperature and empirical formula elevated temperature in large space fire boundary condition the temperature-time curve of steel member can be derived from the solution of heat equilibrium equation which bases on the lumped differential formulation. 假定钢构件截面温度均匀分布,将高大空间建筑火灾中的实用空气升温曲线作为构件升温边界条件,对集总热容法建立的热平衡方程求解,得出钢构件在火灾下的温度-时间曲线。
With regards to this practical problem, a predictive control model is designed base on the WSACS under the constrained condition of critical dew curve which is found under the condition of temperature and humidity of the environment. 针对这一实际问题,首先寻求环境温度、湿度条件下的制冷临界结露曲线。在临界结露曲线的约束条件下,设计了基于水源热泵空调系统的预测控制模型。
Then, multi-resolution edit the curve and discuss the continuity join of curve, a C1 or C2 continuity join condition of curve segments is given after local multi-resolution edition. 然后,对此曲线进行多分辨编辑,给出了局部多分辨编辑后各曲线段C1或C2连续性拼接条件。最后给出了图例。
The research focus on the product technology and effect factors of additional enzyme brewing dry beer. The best technology condition and operation curve in producing 10 ° Bx dry beer are discussed. 本文研究了外加酶糖化法酿造干啤酒的生产工艺和影响因素,对生产10°Bx干啤酒的最佳工艺条件和操作曲线进行了探讨。
Under the optimal condition, the calibration curve of the pH sensitive polymer covered the range of pH 0-3.0 with good reproduction and reversibility. 在最佳实验条件下,pH敏感功能聚合物对pH的响应范围为0~3.0,并且具有较好的可逆性和重现性。
In this paper we prove that the global attractor for the Sine-Gordon system without capacitance effect under Neumann boundary condition is an invariant curve. The behavior of the system on the curve is like the orientation preserving homeomorphism on a circle. 证明当扩散系数适当大时Neumann边条件下无电容效应的SineGordon系统全局吸引子是一条不变曲线,系统在其上的行为类似于圆周上的保向同胚。
Result of numerical experiment shows that the concept of equivalent condition curve is convenient for evaluating the effect of cylinder efficiency on turbine economy as well as simplify the heat rate model. 数值试验结果表明:使用当量汽态线的概念不仅可以简化热耗率计算模型,而且便于评价汽轮机各缸相对内效率变化对机组经济性的影响。
Monitoring and Evaluation of Grinding Chatter Condition in Curve Grinder 曲线磨床磨削中颤振状态的在线监测与评估
In this paper, a method of determining the optimal fixed discount rate is studied under the condition of linear demand curve when monopolist implements second price discrimination. 在线性需求函数的条件下,研究了垄断厂商实行二度价格歧视时确定最优固定折扣率的方法。
This paper based on the cavity mold theory to the circular microstrip antennas far field determination, in assigns the parameter under the condition, obtains the curve by simulation software. 本文基于腔模理论对圆形微带天线远区场的确定,在给定参数的条件下,通过仿真软件得到曲线。
The function of damage and plasticity strain is given, and the coefficients used in the model can be determined by the condition of the curve on the characteristic points and method of optimization. 提出一类损伤函数和不可逆变形表达式,利用应力-应变曲线特征条件和优化算法确定模型参数;
Smooth Conjunctive Condition of Cubic Controlling Curve 三次可控曲线的几种光滑连接
The paper analyses the features of the effects of fiscal and monetary policy and the opening of China's securities market under the condition that BP curve has a negatively slope. 在负斜率BP曲线状态下,财政、货币政策效应会呈现新的特点。
Turbine Equivalent Condition Curve and Its Effect on Economy 汽轮机当量汽态线及其变化对经济性的影响
Differential Geometry Characteristics of Optimal Process Condition Curve for the Reaction/ Separation/ Recycle System 反应/分离/再循环系统最佳工艺条件方程曲线的微分几何特性
The results show that under the same condition of machined curve surface, parameter line machining has better machining surface quality, sectional line machining has higher efficiency, projecting machining is easy to programme and possesses comprehensive superiority. 研究结果表明:在相同加工曲面和工艺条件下,参数线加工的加工表面质量较高,截面线加工的加工效率较高,投影加工编程方便且具有较大的综合优势。
The formulas for setting angle and entrance angle of disc cutters are derived by using the contact condition of space curve. 利用空间曲线相切条件导出了用于计算盘形刀具安装角和切入角的条件;
With the Lagrange multiplier method, the minimum distance of the center of a circle and a quadric surface was provided and the tangency condition of curve and surface was given. 利用拉格朗日乘子法求解二次曲线和二次曲面之间的最小距离,给出了曲线与曲面相切的条件。
By use of the Finite Element Analysis method, the needed exothermic coefficients and temperature field to fit the ideal cooling condition curve are found, which provides the needed parameters for personal computer control in the process of heat treatment. 采用有限元分析方法求出曲轴热处理过程中按理想降温曲线所需要的放热系数及温度场,为对其热处理过程实行微机控制提供了必要的参数。
Adopting the definition of indicated relative internal efficiency, the concept of equivalent condition curve was proposed and corresponding turbine heat rate model was derived. 采用指示性相对内效率的定义,提出当量汽态线的概念,并据此推导出相应的汽轮机热耗计算模型。
Based on analysis of three phases, this work built minimum energy consumption as objective function and simplified optimization strategy with spouting as main limiting condition, acquired optimized power curve. 在对三个阶段分析基础上,以喷炉压力为主要限制条件,建立以能耗最小化为目标函数的优化模型和简化的优化策略,获得了优化的功率曲线。
In order to examine the feasibility and accuracy of our coupling simulation model, the experiments were designed to test the acceleration of spool under the laboratory condition, and acceleration curve was surveyed and drew. 最后,在现有实验条件,设计了测试阀芯加速度的实验以验证所得到的磁-结构耦合仿真模型的可行性与准确性,并测绘了加速度曲线图。