中分

The hydroisomerization process involves introducing the paraffin-containing feed (39) into a fractionator (40) where it is separated into a 350 DEG F- lighter fraction and a 350 DEG F heavier fraction.

加氢异构化方法包括将含烃进料（39）引入分馏塔（40）中，其中，它被分离成350°F－的轻馏分和350°F＋的重馏分。

The variational problems of the complete functional in calculus of variations are studied deperding on the arbitrary arguments,arbitrary multivariable functions and arbitrary-order partial derivatives of multivariable functions.

研究变分法中依赖于任意个自变量、任意个多元函数和任意阶多元函数偏导数的完全泛函的变分问题；提出并证明了完全泛函的变分问题的定理，采用偏微分算子，给出了完全欧拉方程组。

Remove row and column' and 'put a big number' have been used for the first boundary;a continuous Regional Identification Function is used on the basis of non-variant nodal virtual flux method for the free surface boundary;Gauss formula is used to make the curved surface integral of the free surface boundary transformed as the difference between volumn integral and other curved surface integral to calculate the integral item on boundaries, which avoiding finding the position of free surface, while the continuous Regional Identification Function is applied to calculate volumn integral and surface integral;Crout and PCG method is used for solusion.

对于已知水头边界，采用"去行去列法"和"置大数法"进行处理；对于自由面穿过的单元，在固定网格节点虚流量法的基础上，引入连续的区域识别函数；对于非稳定渗流中自由面边界积分项，采用高斯公式将求自由面的面积分转化为求体积分与其他面积分之差，避免了求自由面的具体位置，同时在计算体积分和面积分时采用连续的区域识别函数；在解法上，采用直接解法和PCG法。

By analyzing the bode diagram of HAPF system and minimizing the capacity of HAPF, the paper presents a frequency dividing control method based on fuzzy-PI. In this mean generalized integrator is used for frequency dividing integral and fuzzy arithmetic is for adjusting PI coefficients timely. Compare with other kinds of control methods, the proposed one is more simple and easier realization.

该文由常用的并联型HAPF的结构特点分析出发，从容量和幅频特性2个方面探讨HAPF控制中进行有效分频的必要性，根据HAPF对控制方法的要求，文章提出一种基于广义积分的模糊自整定PI控制方法，即通过广义积分实施对周期量的分频积分，同时由模糊算法进行比例和积分系数的在线调整，从而有效实现对HAPF的分频控制。

In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme.

本文利用摄动差分思想，对定常对流扩散方程中的空间微商系数进行摄动展开，展开幂级数系数通过消去摄动格式修正微分方程的截断误差项求出，由此获得方程的隐式摄动差分格式，将此方法应用于非定常对流扩散方程，并加以修正，得到该方程的修正隐式摄动差分格式。

In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme. Firstly, we use the steady convection diffusion equation, the constant coefficients of this equation are expanded to power series of grid-spacings, then the high-order Perturbation Finite Difference scheme is obtained by determining the coefficients of the power series. Put this scheme on unsteady convection diffusion equations and modified it, the IPFD scheme is constructed.

本文利用摄动差分思想，对定常对流扩散方程中的空间微商系数进行摄动展开，展开幂级数系数通过消去摄动格式修正微分方程的截断误差项求出，由此获得方程的隐式摄动差分格式，将此方法应用于非定常对流扩散方程，并加以修正，得到该方程的修正隐式摄动差分格式。

Results The median duration of actie treatment was 7.4 months. The 1167 patients receiing rofecoxib and the 1160 patients receiing placebo were well matched, with a median follow-up period of 33.0 months (interquartile range, 27.6 to 40.1) and 33.4 months (27.7 to 40.4), respectiely.

结果积极治疗的平均时间是7.4个月。1167名接受罗非考昔和1160名接受安慰剂的患者在各方面条件都是匹配的，他们的随访期限中位数分别是33.0个月（四分位距，27.6 ～ 40.1）以及33.4个月（四分位距，27.7～ 40.4）。

This paper studies a completely generalized nonlinear quasi-variation-like inclusions problem in the setting of locally convex topological vector space s and proves the existence its solutions.

似变分不等式和广义拟似变分包含问题是研究非凸最优化问题、非凸和不可微最优化问题的重要工具。在局部凸的拓扑向量空间中研究了完全广义非线性拟似变分包含问题，并证明了其解的存在性

Risk ratios for coronary heart disease per 1-SD higher loge CRP concentration (three-fold higher) were 163 (95% CI 151—176) when initially adjusted for age and sex only, and 137 (127—148) when adjusted further for conventional risk factors; 144 (132—157) and 127 (115—140) for ischaemic stroke; 171 (153—191) and 155 (137—176) for vascular mortality; and 155 (141—169) and 154 (140—168) for non-vascular mortality.

当初期仅对年龄和性别进行校准后，冠心病与1-SD更高浓度（3至4倍）的厢式CRP之间的危险比率是1.63（95％可信区间1.51-1.76），而对常规的危险因素进行进一步校准后，该危险比率是1.37；对缺血性卒中来说，分别是1.44（1.32-1.57）和1.27（1.15-1.40）；对血管性死亡率来说分别是1.71 (1.53—1.91)和1.55 (1.37—1.76)；对非血管性死亡率来说分别是1.55 (1.41—1.69)和1.54 (1.40—1.68)。

Then, the computer program CCP1 was edited to study synthetically the influence of 5 factors (i. e. CV value of seed, number of compartment, resident time distribution of massecuite in the compartments as well as vacuum, the height of massecuite) on CV value and MA value of products of multicompartment continuous crystallizer.

依据上述理论模型及其解法，本论文作者进一步编译了能综合考察晶种性状、分室数目、糖膏在各分室中的停留时间分布以及真空度、糖膏高度等五个因素对卧式多分室连续结晶设备产品CV值和MA值影响情况的计算机程度CCP1。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。