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In this paper, use the method of the orthogonal experiment study urea and potassium hydrate pulping of bagasse technical parameters,and then through two single factor optimize experiments,at last get the optimal technical parameters for the urea and potassium hydrate pulping of bagasse: urea charge 13%, potassium hydrate charge 5%, sulphidity 6%,liquor ratio 1 : 4,maximum temperature is 150℃,time at maximum temperature is 45min.

本论文用正交实验方法研究了碳酰胺和氢氧化钾蒸煮蔗渣的工艺条件，然后通过两次单因素优化实验，最终得到了碳酰胺和氢氧化钾蒸煮蔗渣的最佳工艺条件：尿素用量13％，氢氧化钾用量5％，硫化钾用量为6％，液比1：4，最高温度150℃，保温时间45min。

It was found that electrical field strength and potential around the the sample changed less in the fully insulated chamber than in conducting material phytotron, so it is closer the real condition. Based on the design, the first fully insulated large artificial climate chamber in China, in which temperature , humidity, and atmospheric pressure can be regulated, has been built in our laboratory. The paper developed an insulation parameters automatic test system of high voltage capacitive equipment based on LabVIEW. In the chamber, On-line tanδmeasurements of the capacitive transformer bushings were completed. The effects of environmental factors on tanδwere analyzed, and the curves between the tanδand the environment parameters were acquired. Then, a grey relational model to analyze the effects of main environmental factors on tanδwas built, and the grey relational grade between them was gained in this paper.

完成的主要工作和取得的主要研究成果如下：提出了全绝缘型人工气候室设计方案，计算分析了气候室内悬挂绝缘子和套管时的空间电场分布情况，并和金属材质气候室相比较，论证了该方案的优越性，据此方案研制的全绝缘人工气候室可调节温度、湿度和压力等参数，满足了人工气候试验的要求；开发了基于虚拟仪器技术的高压电容型设备绝缘特性自动测试系统，完成了人工气候室内变压器套管tanδ的在线测量试验，以此为基础分析了环境因素对电容型设备tanδ的影响情况，获得了tanδ与环境参数的关系曲线，建立了环境因素对tanδ影响的灰关联分析模型，得到了主要环境参数与电容型设备tanδ的灰关联度。

Systematic investigations were made on relationship between 31P nuclear magnetic resonance of chemical shifts of 291 phosphines and their molecular structure parameters of phosphorus atoms, such as ionicity index and stereoscopic effect parameters.

摘 要 采用离子性指数、立体效应参数对291个膦化合物中磷原子进行结构表征，并与其核磁共振磷谱(31P NMR)建立定量结构波谱关系模型。

Systematic investigations were made on relationship between nuclear magnetic resonance of chemical shifts of 291 phosphines and their molecular structure parameters of phosphorus atoms, such as ionicity index and stereoscopic effect parameters ε(subscript i.

采用离子性指数、立体效应参数ε(下标 i对291个膦化合物中磷原子进行结构表征，并与其核磁共振磷谱(31P NMR)建立定量结构波谱关系模型。

Pump efficiency is not an independent performance parameters, it can from other performance parameters such as flow, head and shaft power obtained by the formula.

泵的效率不是一个独立性能参数，它可以由别的性能参数例如流量、扬程和轴功率按公式计算求得。

Further, based on the method of pre-elimination of parameters, the formulae of the partly-weigthed least squares estimation with constraints on parts of the parameters are derived to include a prior information.

在顾及电离层加权模型的情况下，利用参数消去法，推导了加权最小二乘法估计模糊度实数解的公式。

First, the least square method is used to pre-estimate these parameters, and then modified one-dimensional Whittaker graduation is applied to obtain the graduation parameters.

即先用最小二乘法对各个群体死力函数的参数进行粗估计，再利用一维Whittaker修匀。

Then the algorithm was used to get the seven parameters of viscosity model of W-Ni-Fe heavy alloy and 316L stainless steel feedstock, which provide the necessary material data for quality forecast of mold core part made of stainless steel and heavy alloy tungsten ball, and for optimal design of mold and process parameters, which establishes the foundation of material database of MIM. In the research of visual simulation software development, in order to build the software system model and flow analysis algorithm based on Cross-WLF viscosity model, and realize functions such as pre-processor, solver, parameter regress, data management, graph operations, some advanced software methods as OOSE (Object Oriented Software Engineering) and UML were applied to set up user model, static model and dynamic model of MIM simulation software. These models describe system function, event flow, structure and relation of classes, object interaction, structure of database and I/O file format.

在MIM可视化仿真软件开发方面，为了建立软件系统模型及基于Cross-WLF粘度模型的流动分析算法，实现软件的前处理、求解器、参数拟合、数据管理和图形操作等功能，将面向对象软件工程与统一建模语言技术首次引入到MIM仿真软件的设计开发中，建立了软件的用户模型、静态模型和动态模型，描述了系统的功能需求、事件流程、类的结构与关系、对象之间的通信、数据库结构和输入输出文件格式等，用Visual C++与Delphi开发工具编码实现了2维MIM充模流动过程仿真软件，方便了对薄壁零件的质量预测以及模具和工艺参数的优化设计。

The initial values of adjustment parameters are obtained by using iteration algorithm , the cutter profile is simulated with computer, and the profile error is corrected by iterative process, then the optimum values of adjustment parameters can be achieved.

研究了加工螺旋槽用盘形成形铣刀调整参数的计算机算法，利用迭代算法得出调整参数的初值，利用计算机模拟刀具廓形，对廓形误差进行迭代修正，从而可获得调整参数的最优值。

We have analysed the relations among the mechanism and effect of the discharge driven catalysis, the parameters and the operating characterisic of our system and the plasma process in it, founded its mathematical model, made program and simulated numerally the distribution of plasma parameters in positive volume of discharge tube as well as the connection with operation of our device.

分析了将单质金作为催化剂，直接置入封离轴向放电型CO〓激光器正柱区毛细管内，充分利用器件工作时产生的短寿命高能态活性氧，在放电激励工作区中就近实时高效催化促复的优越性，肯定了其保持工作物质的浓度，减少有害组分的产生，勿需额外驱动、加热激活乃至排换工作气体。

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。