响应比

The experiment shows that the method can not only shorten the step input response time, but also have stronger adaptive capability to the unknown external disturbance,parameter time variable character and nonlinear of the system.

实验结果表明：该方法与传统方法比，不仅能够缩短系统输入阶跃的响应时间，而且对系统未知的外加干扰、系统参数时变特性和非线性有较强的自适应能力。

Besides of retaining most functions of the old software, the new one has higher data acquistion rate up to the maximum of 25μs/point for determining Fo and Fi etc. more accurately. This fluorometer has reached the advanced level of the same kind in the world.

新荧光计从软、硬件两方面进行了彻底地更新，具有高信噪比、高响应、高精度、低功耗等优点，其性能已达到国际同类产品的先进水平。

And each from of frequency respond to the curve are compared.

完全设计方法中我们利用函数直接设计出低通、高通、带通和带阻滤波器，并分别用巴特沃斯滤波器、切比雪夫滤波器、椭圆滤波器来实现，并比较了各自的频率响应曲线。

The technology for extraction of glutelin from corn gluten meal was optimized by mono-factor experiment and response surface method.

通过单因素试验和响应曲面法，优化了玉米黄粉中谷蛋白的提取工艺，玉米谷蛋白提取的最佳工艺条件为：料液比1∶14、时间113 min、NaOH质量分数0。

These data suggest that in response to smoke exposure, TNF-alpha-mediated down-regulation of PGC-1alpha may be a key step leading to vascular and myocyte dysfunction, effects that are more evident in oxidative than glycolytic skeletal muscles.

这些数据表明，响应吸烟暴露，肿瘤坏死因子-α介导的PGC-1α下调可能是导致血管和心肌功能障碍的关键一步，这种作用在氧化型肌肉比在糖酵解骨骼肌更明显。

Using Chebyshev approximation method,we designed a FIRlowpass differentiator suit for airborne gravimetry application,and simulate a mathematical model to test the reliability of this filter.

根据契比雪夫逼近理论，设计了适用于航空重力测量应用的有限冲激响应低通差分器，利用模拟模型对滤波器的性能进行了验证。

The results are as follows:Defatted wheat germ was micronized useing both hammer mill and colloid mill to increase the extraction rate of protein, followed by alkali extraction and ultrafiltration, respectively. A quadratic mathematical model was statistically constructed by using of Box-Behnken central composite design and response surface methodology. Under the optimized processing parameters of 23μm particle sizes, pH 9.5 and 51℃, a maximum extraction rate, 68.6%, was achieved, which is 30.63% higher than that of non- micronized wheat germ (passing through 80 mesh sieve).

首先采用锤式粉碎与胶体粉碎相结合的方法对脱脂麦胚进行微细化处理，然后利用碱提、超滤浓缩法提取制备麦胚蛋白，并通过Box-Behnken中心组合设计及响应面分析建立预测麦胚蛋白提取率的二次多项数学模型，优化蛋白质的提取工艺，在麦胚粒度为23μm、pH值9.5、提取温度51℃的条件下，经微细化处理的蛋白提取率为68.6％，比未经微细化处理的(过80目筛)提高30.63％。2。

The results showed that the pressure and pressure derivative of non-newtonian fluid is higher than newtonian one;The power index is more smaller,the pressure and pressure derivative is more higher;The effect of skin factor on transient was different from that of power index;The storativity ratio and inter-porosity flow factor is just same as the newtonian fluid,and the effect of outer-boundary on transient pressure is different from that of newtonian fluid.

结果表明，非牛顿流体的压力及压力导数都明显高于牛顿流体；幂律流指数越小则压力和压力导数越大；表皮系数和非牛顿流体幂律流指数对压力响应的影响有着明显的不同；而弹性储容比和窜流系数的影响和普通三重介质相同，只是由于非牛顿流体的影响其"凹陷"的位置升高；外边界的影响也和牛顿流体的情况明显不同。

The main results of the investigation are as following:(1) Some important criteria for the design of multi-layer structure are acquired: the ratio of the layer thickness to the contact diameter should be controlled to a value about 0.8; increasing the number of the gradient layers and elasticity modulus of the top layer would benefit to the yield strength and the stress status at the interface.（2）By means of molecular dynamics simulations for a indentation and sliding process, it is discovered that dislocations of 45 direction to the surface occur in the surfaces layer, which is correspond to the direction of the plastic flows observed in the macroscopic continuous medium. The irreversible deformation caused by the dislocation and the atom piles at the surface are responsible for the irreversibility of the force response. They are also the main factors for the friction generation. The temperature and the indentation velocity have significant effects on the deformation behaviors of the material of the surface layer. The yield strength would increase obviously if the indentation velocity is greater than 10 m/s.（3）A method to evaluate the fracture toughness of coating by estimating the crack-density functionβof a Wicker''s indentation was proposed. Meanwhile a new surface treatment technology was developed using non-equilibrium plasma.（4）A MD-FE hybrid method and corresponding software was developed to analysis the tribological behaviors for multiplayer system.

研究主要内容和结果有：（1）得到指导梯度膜设计的几个准则：控制膜层厚度与接触半径比在0.8左右为宜；适当增加梯度层层数和顶层弹性模量，有利于提高抗屈服能力和改善界面处的应力状态；（2）通过对嵌入和滑动摩擦过程的分子动力学模拟，发现表层产生一个与宏观连续介质的塑性流动方向观测一致的45 方向位错；位错造成的不可逆变形和表面的原子堆积，是力的响应不可逆性的原因，也是构成摩擦力的主要因素；温度和嵌入速度对材料变形特性有显著的影响，当嵌入速度大于10 m/s时，屈服强度明显增加；（3）提出压痕裂纹密度系数β半定量判定膜层断裂韧性的方法；并开发出表面强化新工艺；（4）开发出分析表面摩擦学特性的MD-FE复合模拟方法和相应模拟软件。

The analysis shows that this method makes full use of the measured data of the impulse response from start to finish.

该方法充分利用了脉冲响应从早期到后期的所有测量数据，降低了信噪比和积分上限对混响时间估值结果的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。