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The tested parameters included: the effect of preculture duration for explants, the type of microcarriers, density of microcarrier particles used for DNA preparation, the effects of osmotic treatments, and plasmids with various constructions. Parameters of biolistic device including the flight distance of microcarriers (6 and 9 cm) and macrocarriers (4, 8, and 12 mm) were investigated.

评估之因子包括：培植体预培养天数、微载体种类及用量、高渗透压处理及转殖质体对转殖之影响；基因鎗测试之条件有：微载体至射击目標之飞行距离(6、9 cm)，大载片至挡片之距离（4、8及12 mm）。

It's very difficult to accurately determine the mechanics parameters of the caves, the boundary and initial conditions, the best construction scheme and support parameters before the caves are excavated, so there are a lot of blindness, diseconomy and hidden risks in the predesign of the caves.

由于在地下洞室开挖之前较准确地确定围岩的地质条件及相关的基本参数往往是很难的，故开挖方案和支护参数初步设计也存在许多盲目性，不经济性或安全隐患。

The random errors of main factors in flood regulation process are identified; and combining flood forecast, the randomnesses of main parameters such as initial reservoir level, inflow flood, outflow flood, etc., are analyzed. By using the first order second moment method and theoretic distribution, the random distributions of parameters are described then the routing process of a certain preflood limit water level is random, which can well reflect the random preflood influences in actual regulation.

对防洪调度过程各主要相关参数进行了随机误差识别，结合洪水预报对起始水位、人库洪水、泄流等主要参数的随机性进行分析，应用一次二阶矩法和相应的理论分布函数描述事件的随机分布，对应某一汛限水位的调洪过程不再是一确定过程，而是具有随机分布特性，反映了实际防洪调度中各随机因素的影响作用。

In this paper, I studied the present methods for analyzing the optical parameters of thin film purposively to solve the problem of semiconductor thin film. Among so many methods, I pick up the reflection method to combine with the genetic algorithm, which is entitled the modern optimizing algorithm. And a new method of simultaneous determination the multi-parameters of semiconductor thin film has been presented.

本文针对半导体薄膜光学参数的测定问题，对目前分析薄膜光学参数的方法进行了较为详细、系统的研究，从众多方法中选取反射光谱法与现代优化算法——遗传算法相结合，提出一种可以同时确定半导体薄膜多个光学参数的新方法。

Secondly, the mathematical models for VE type three eccentric chaotic exciter and forrame rum oil system of chaotic vibratory roller are built. The numerical simulation and chaos identification are finished under different parameters of the exciter. The relationships between the chaotic characteristics of the exciter as well as the rame rum oil system and the parameters of the exciter are investigated.

其次，建立了& CVE—2型三偏心混沌激振器&和混沌振动压路机&机架—振动轮—土&系统的数学模型，并在激振器的不同参数条件下，对数学模型进行了数值仿真和混沌识别；研究了&混沌激振器&和&机架—振动轮—土&系统的混沌特征与激振器参数之间的关系。

In order to research on the square cyclone's structure parameters influence on its performance, gas flow in square cyclones with different parameters was predicted using Reynold stress model.

为了研究结构参数对方形分离器性能的影响，采用雷诺应力模型计算了不同结构参数的方形分离器内气相流场。

Keywords : solubility parameters apparent solubility parameters chromatographic fingerprint total quantum geometrical average retention time aloe-emodin rheic acid archen physcione HPLC compatibility rule reform t of the single flavor TCMM.

cm-3/2。结论：HPLC指纹图谱总量几何平均保留时间法能同时测定多个成分及总量的表观溶度参数，这对研究中药的配伍溶解规律，单味中药剂改工艺研究奠定理论基础。

Finally, simulation software was developed with Visual C++ and Delphi for 2D molding analysis of MIM, which affords facilities for the quality forecast of 2D thin wall parts and optimal design of mold and process parameters. In the research of molding performance of MIM feedstock, for the shortcoming of capillary rheometry, it was propounded that using spiral mold test molding performance of feedstock, and a set of spiral mold was creatively designed with quickly exchange gates and closed mold cavity. With the spiral mold, an orthogonal experiment was made on getting regress equation of flow length L〓 of the heavy alloy feedstock. Then the rule of L〓 varying with Q〓, P〓, and ΔT〓 was discovered. Q〓 ranks first in the influence on process parameters of molding performance, P〓 and Δ T〓 second. Therefore the injection rate Q〓 should be controlled primarily to improve the flow performance of feedstock.

在MIM喂料注射成形性能研究方面，针对毛细管流变仪测试法衡量流动性能的不足，提出使用螺旋线模具测试喂料熔体的注射成形性能，创造性地设计了一套可快换浇口，模腔封闭的螺旋测试模，并在螺旋测试模上采用正交实验设计，得出了高密度重合金喂料流动长度L〓的回归公式，揭示了L〓随Q〓、P〓、△T〓和S〓的变化规律，并得出工艺参数对成形性能影响的强度顺序为Q〓最大，P〓与△T〓其次，因而改善喂料流动性能应优先控制注射速率Q〓。

The reconstruction problem is ill-posed, so two optimal criterions, the least module and the smoothness criterion base on Tikhonov regularization technique, are introduced into reconstruction algorithm. Many regularization parameters choice strategies are investigated, and the TPA(Two—Parameter Algorithm) strategy which is based on the Morozov discrepancy principles, is implemented in two regularization reconstruction algorithms.Numerical experiment results show that the nonnegative and smoothness constraint condition can overcome the difficulty of iteration semiconvergent, preconditioned technique can improve convergence rate and reconstruction accuracy, smoothness regularization criterion can meliorate ill-posed problem of reconstruction and enhance iteration stability, and the TPA is an effective strategy of regularization parameters choice.

数值试验表明：在共轭梯度法中引入非负约束和光滑约束改善了迭代的&半收敛&性，非负约束保证了解的非负性，光滑约束抑制了重建解的振荡现象，约束算法的重建精度与无约束算法相比大幅度提高；在约束共轭梯度重建算法中引入预优技术，可以加快算法的收敛速度，提高迭代的稳定性和重建精度；引入光滑准则的正则化技术可以有效改善图像重建问题的不适定性，加快迭代的收敛速度，提高迭代的稳定性和图像重建质量，计算正则参数的TPA算法在闪光照相图像重建中是有效的。

Comparing with SEQUEST search results using the data generated by five types of mass spectrometers and the results obtained by different Mascot search parameters, it is found that SEQUEST and Mascot get different results when dataset and search parameters changed.

同时对由五种不同质谱仪产生的质谱数据的SEQUEST搜索结果，及不同参数条件下的Mascot搜索结果进行对比，发现在不同条件下得到的结果相差较大，并且在所有的结果中存在大量的错误匹配。

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。