半线性的

The sufficient conditions for the existence of the local bifurcations of two semi-trivial solutions (θr,0) and(0,θd) are proved,and stability of the local bifurcate solution from semi-trivial solution(θr,0) is obtained.

利用局部分歧理论及线性稳定理论，证明了两个半平凡解(rθ，0)和(0，θd)局部分歧解存在的充分条件，并且证明了半平凡解(rθ，0)产生的局部分歧解是无条件稳定的。

Among the 10 descriptors, the coplanarity of three phenyl substituents with the imidazole ring, the hydrogen-bond acceptance, the molecular weight and logP are the most important factors for the modulation efficacy.

借助半经验分子轨道法AM1和从头计算法RHF/6-31G计算得到分子的多种描述因子，采用多元线性回归方法进行了结构药效分析，基于分子的结构参数、接受氢键的能力、脂水分配系数等对药物分子半有效剂量的影响提出一套拟合效果比较理想的构效关系方程，其复相关系数和标准偏差分别为0.897和0.323。

Recently, bas ed on Spitz's work, Porsani(1999) presented a half-step prediction filtering te chnique which simplified the two original prolix complex linear equation systems for calculating coefficients of prediction filter as a more simplex one so as t o reduce computational cost greatly.

最近，在Spitz工作的基础上， Porsani(1999年)提出了一种半步长预测滤波技术，它可以将原来用于求解预测滤波器系数的两组复杂的复线性系统方程简化为一组更为简单的复线性系统方程，从而大大降低了运算工作量。

Symmetry group is semisimple, the system has a fine cascade decomposition that is a qasi-parallel decomposition, which is corresponding to the decomposition of linear systems under the semisimple symmetry algebra.

由于对称代数对线性系统的结构有重要作用，特别是当该代数半单时，系统可分解为多个独立的子系统，因此如何就给定的线性控制系统构造出其对称代数具有重要意义。

Robust programming is, as stochastic programming, an attempt to capture uncertainty in the data underlying the optimization problem.

半定规划是一个子字段的凸优化的基本变量半矩阵。这是泛化的线性和凸二次规划。

In order to analyze and correct this effect, the method to calculate turn-off time is given. According to theoretical TEM response of multiturn loop source, TEM response affected by linear and half-sine turn-off current was calculated, and Taylor's series expansion was used by calculating TEM response of half-sine turn-off current. The two mode's responses, linear mode's response and half-sine mode's response, were analyzed in turn-off time 2μs-100μs.

为了分析和校正这种影响，文中给出了关断时间的计算方法，根据多匝回线源产生的瞬变场理论解析式，计算了线性和半正弦关断电流影响下瞬变场表达式，计算半正弦关断电流产生的瞬变场时将正弦函数进行泰勒展开；分析了关断时间在2 μs~100 μs之间两种关断模式产生的瞬变响应。

Electron donating substituent CH〓, OCH〓 and 4, 5-benzo make λ〓 red shift, electron with -drawing substituent F, Cl and CF〓 make λ〓 hypsochromic shift; b The W〓 is bigger than relative symmetrical carbocyanines, and the ratio of 0-1＇ and 0-0＇ transition intensity increase with the increase of σ〓; c The absorption and the fluorescence spectra are mirror image, and the λ〓 have a good linear relationship; d The Stokes shift △λ〓 and the Hammett σ〓 constant have a good linear relationship.

研究了染料的光物理性质，①苯环上取代基影响染料的λ〓和摩尔消光系数，相对于H，给电子取代基CH〓、OCH〓、4，5-benzo使λ〓红移，摩尔消光系数减小，吸电子取代基F、Cl、CF〓使λ〓蓝移，摩尔消光系数减小；②化合物吸收峰的半峰宽较相应的对称染料的大，且振动肩部与最大吸收峰的强度比随σ〓增大而增大；③吸收光谱与荧光光谱呈镜像关系，且λ〓与λ〓呈良好的线性关系；④化合物的Stokes位移△λ〓与取代基的Hammett σ〓常数呈线性关系。

In this paper,a new method is proposed for synthesizing arbitrarily desired pattern for linear geometry array with nonisotropic elements, and with nonuniform spacing between elements.

提出一种综合具有任意需要方向图的包含非各向同性和非均匀间隔的线性阵列的新方法。该方法的基本思想在于将综合问题转变为一个半无穷维二次优化模型：在一组线性泛约束条件下使权矢量的范数最小。

This paper set up a hardware in the loop and real-time simulate test system of 1/4 vehicle suspension.

摘要本文构建了1／4汽车半主动悬架的硬件在环实时仿真试验系统，将S函数编程实现的线性滤波和谐波叠加模拟产生的随机路面激励用于该试验系统中，进行了时间域内路面不平度、磁流变阻尼器、被动悬架和半主动悬架的仿真及试验，采用性能评价指标对悬架性能进行评价，比较优劣。

This paper set up a hardware in the loop and real-time simulate test system of 1/4 vehicle suspension.

本文构建了1／4汽车半主动悬架的硬件在环实时仿真试验系统，将S函数编程实现的线性滤波和谐波叠加模拟产生的随机路面激励用于该试验系统中，进行了时间域内路面不平度、磁流变阻尼器、被动悬架和半主动悬架的仿真及试验，采用性能评价指标对悬架性能进行评价，比较优劣。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。