变变

How to establish creep model of under change loads are unfathomed contents in theory studies and applications of wood rheology.

如何建立木材在变载荷下蠕变的数学模型，是木材流变学在理论研究和生产应用中迄今尚未解决的问题。

Effect of austenitizing temperature and air cooling rate on microstructure and properties of the CFB/M steel;2. Discussion on the feasibility and economy of 1000MW ultra-supercritical direct air cooling unit;3. Metal transformation temperature under air cooling condition was actually measured.

实测了空冷条件下金属的温度，分析了相变潜热释放引起的温降速度变化规律，并通过冷却速度曲线畸变特征点对实际工况下的金属相变开始温度和结束温度以及相变持续时间进行了判定。

According to the full model of the whole process obtained through simulation, this paper emulated varied cases and analyzed sensitivities under the different feed flow, H_2S content, shifted gas/unshifted gas ratio, liquid/vapour ratio, N_2 flow used to stripping, H_2O concentrate in loan methanol, and calculated hydraulics of every columns.

根据模拟得到的整个工艺流程的完整模型，本文对变工况条件进行了仿真计算，对处理原料气负荷、进口原料气H_2S含量、变换气与未变换气负荷比、液气比、气提N_2量、贫甲醇水份的变化进行了工况研究与敏感性分析，并对各塔进行了水力学模拟计算分析。

It is equivalent to solve differential equation for under water explosion. The modes of velocity potential function and movable boundary are chosen, then, a variational equation system is derived by REDUCE procedure on computer.

在此基础上，选取了流场及运动边界的模态，将泛函对选定的自变函数变分，并取驻值；用REDUCE语言由计算机推出变分方程组。

To avoid the trouble to construct the basis functions, we introduce a Lagrange multiplier into the variational formulation to replace the constraint condition for the basis.

本文采用同样的思路用Galerkin 边界元方法求解带有约束条件的与第一类Fredholm 间接边界积分方程等价的变分方程，为避免构造基函数时约束条件的限制，我们采用Lagrange 乘子法，把约束条件放入变分方程中去，形成扩展的变分方程，用线形单元离散后求解。

The existence of the solution is also demonstrated according to the sufficient conditions for the solution of the elliptic variational inequality.

首先证明了所构造泛函的强制性，从而证明了所构造的等价变分不等式解的惟一性，并根据椭圆型变分不等式解存在的充分条件论证了弹塑性接触问题解的存在性，为该问题的变分极值原理的建立莫定了数学理论基础。

This paper introduces current development and trends of ducted fan flying robot which takes advantages of VTOL(Vertical Take-Off and Landing) techniques.

文中介绍了基于涵道风扇技术变姿飞行机器人的发展现状及趋势，还分析了变姿飞行机器人变姿的方式及关键技术。

Research on Coal-forming Environment and Sequence Stratigraphy in Coal Measures Strata;2. The results show:1, there were the differences between the characteristics of the coalification between the Taiyuan Formation vitrain and the Shanxi Formation vitrain which were formed in differencial coal-forming environment s, and the differ.

结果表明：在高煤级煤早期阶段，形成于不同成煤环境的太原组煤与山西组煤的煤化特征仍有差异，在第三次煤化作用跃变之后这种差异逐渐缩小消失；高煤级煤分别以第三次和第四次煤化作用跃变为界，呈现出阶段性演化的特征，每阶段的演化机理有所不同；第三次煤化作用跃变中大分子结构的演化以芳构化作用主为，第四次煤化作用跃变则以强烈的环缩合作用占优势。

Mathematical analysis and experimental results show that this adaptive total variation denoising algorithm can solve the problem that Euler-Lagrange equation of the traditional total variation is not well posed, improve the deficiencies of the slow denosing speed, and reduce the step effect and noise leaving out resulting from using the traditional total variation.

数学分析和实验证明，论文提出的变分去噪模型克服了传统的总体变分模型的欧拉-拉格朗日方程非适定问题，改善了传统总体变分模型去噪速度慢、有阶梯效应、噪声遗漏等缺陷。

The reason Dr de Quervain suspected the variants might work differently is that the rarer one looks like the commoner one when the latter has a memory-enhancing drug called yohimbine attached to it.

de Quervain 博士认为不同变体起到不同作用是因为当较少见的变体有提高记忆力的药物育亨宾组合时就会和较普遍的变体非常相似。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。