参数曲线

In a simplified condition of constant parameters, the analytical solution of the model is obtained and applied to analyze the transient flow rate in an injecting test of some granite, then the transmissivity, storage coefficient and parameter of flow across factures are determined.

在假设参数恒定的情况下，得到简化模型的解析解，并用于分析某花岗岩压水试验中的流量动态曲线，求出了裂隙导水系数、贮水系数和隙间串流参数。

Based on this assumption the author derives the mathematical model of which intercepting pitch-down target attacking our ship and friend ship, using this model,quickly and correctly computes the target curved motion parameters, pitch-down linearmotion parameters and projectile firing data.

在这个假设的基础上，推导出拦截俯冲目标攻击我舰和友舰的数学模型。较准确的快速计算出目标曲线运动参数。俯冲直线运动参数和弹丸发射诸元。

Firstly, with the analysis of electric characteristics of a condensate gas reservoir, we find that there are some differences between Tri\|porosity logging amplitude, Deep Investigation Laterolog, Shallow Investigation Laterolog, and Microlaterolog, etc; secondly, in view of the feature of the condensate gas reservoir, the log interpretation model is built on the basis of the correlation of four reservoir parameters, and the reservoir grade scale is completed using conventional logging techniques combined with cross plot technique and the result of well testing; finally, according to the feature of Qiketai Formation and Sanjianfang Formation in the Hongtai oil field, we set up the reservoir classification criteria and divide the reservoir parameters into four types.

以吐哈盆地红台地区为例，对凝析气层的电性特征进行了分析，认为凝析气层在三孔隙度测井曲线幅度和深、浅、微电阻率等方面存在差异。针对研究区凝析气藏特点，在关键井&四性&关系研究的基础上，建立了储层参数测井解释模型，采用交汇图技术和实际试油、试气资料相结合的方法，对研究区目的层常规测井储集层的分类标准进行了分析，并结合红台气田七克台组和三间房组凝析气藏特点，建立了研究区储层参数分类评价标准，依据该标准将红台地区储集层划分为4类。

Making use of this model I have a taste in Yan Shan Reservoir watershed in He Nan Province: I start on the information of the surface in this area, give every grid cell the proper parameters by distilling them from the map of how the people use soil and the map of soil type in this area; In order to get the topographical information, I add numerical value to a abundant of contour lines and points in topographical map, use the software Arc View of GIS to create Digital Elevation Models automatically, get every volume of the reservoir from the water level 99m to 117m. By using a special module of the software, I distill triumphantly the grid cells elevation value, slope value, flow direction, flow accumulation, watershed, stream network, isochrones and so on.

本文在分布式水文模型的基础上，对河南省燕山水库流域洪水入库计算模拟方面作了一些研究：从燕山水库流域的下垫信息开始着手，依据流域的土地使用类型图、土壤分布图确定每个栅格单元的土壤特性和土地利用方式，进行下垫信息的参数化，得到单元模型所需的参数值；为了提取地形信息，本文通过对流域地形图海量数据加载高程值，利用GIS软件自动生成流域内的数字高程模型，提取了流域水文模型所需要的库容曲线；通过栅格自动划分，提取栅格单元的高程、坡度、栅格流向、流域边界、虚拟河网、流量积累、等时流线面积分布等分布式水文模型的流域特征。

Based on the detailed analyzing of impact system working process, the differential eguation of the system was got, and the mathematical model of the hydraulic impact system was builted, on basis of the mathematical model, By using of dynamic simulation function of Matlab ,the author has built the simulation model of the impact system based on software Simulink and run it after inputting the parameter ,the dynamic graph curve of impact velocity and presser of oil and position of knife rest were got, and the dynamic characteristic of impact system was analyzed,the simulated results are accorded with the fact,and some rational parameters can be found.

在对冲击式采煤机液压冲击系统工作过程进行详细分析的基础上，运用微分方程建模方法，建立了液压冲击系统的数学模型即系统的动态方程，并在该数学模型的基础上，采用Matlab中的Simulink动态仿真功能，建立了基于Simulink的冲击系统仿真模型，通过给定冲击式采煤机冲击系统的相关参数，对该系统进行仿真，得到了冲击式采煤机工作过程中冲击速度和油液压力以及刀架位移的变化曲线，进而对冲击系统的动态特性进行了分析，结果与实际情况较为吻合，并由此得出某些合理的参数。

For cutting the composite lock gear with unequal tooth thickness, a study is made on the design method of gear sharper cutter with nonstandard parameter involute tooth profile and noninvolute tooth profile. The cutter tooth arrangement, the choice of teeth number of the cutter and the basic method of cutter design are discussed; and a new method of choosing deflection factor by using limited area is presented.

研究加工不等齿厚的非标准参数渐开线齿形，与非渐开线齿形复合的锁闭齿轮插齿刀刀齿的排列、刀具齿数的选择以及刀具设计的基本方法，介绍用限制区域选择插齿刀变位系数的新方法，并给出刀具齿顶后角与侧螺旋角的关系曲线，为插齿刀参数的选择提供依据。

Afterwards, dynamic tests to machining center were processed by using sine wave excitation, pseudo random excitation and impact experiment methods.(3) The frequency-domain parameter identification method was used after the experiments, through which system mode parameters, system characteristic curve and system mode shape were obtained.

运用频域模态参数识别法，得到了系统的模态参数，绘制出了系统的特性曲线，并得到了系统的振型；对所得结果进行了模态拟合验证，较好地揭示了系统的系统特性，为动态优化设计奠定了基础。

The relationships between welding pool width, wire extension and welding parameters including welding current duty ratio, base current, peak current, welding speed and wire-feeding speed were studied. Through large numbers of welding experiments, aluminum alloy pulsed MIG welding dynamic process were identified by the curve fitting method, and the mathematical models between welding current duty ratio, base current, welding speed, wire-feeding speed and wire extension were obtained, succeeding the model between the above parameters and weld pool width.

介绍了铝合金MIG焊焊接电流占空比、基值电流、峰值电流、焊接速度、送丝速度对熔宽的影响规律，并在其基础上，通过平板堆焊试验研究了这些参数对焊接干伸长的影响规律；在铝合金机器人脉冲MIG焊平板堆焊过程各焊接参数与正面熔宽之间的传递函数的基础上，采用铝合金平板堆焊阶跃试验，利用曲线拟合法辨识了铝合金机器人脉冲MIG焊动态过程传递函数，建立了焊接电流占空比、基值电流、焊接速度、送丝速度与焊接干伸长之间的对象数学模型。

By field and indoor test, the paper measures soil physical property, soilmoisture constant and soil water movement parameter, provides the soil specificgravity , the soil apparent density, the soil fraction, the soil field moisturecapacity, the soil saturated moisture capacity, the soil percent moisture content ofcom germination and seedlings emergence, the corn wilting point, and alsoestablishes the equation of soil water retention curves, the equation of soil waterdispersion coefficient and the relationship between pressure and soil apparentdensity, and so those provides the parameter for numerical simulation.

通过田间和室内试验，测定了供试土壤的物理性质、土壤水分常数和土壤水分运动参数，得到了该土样的比重、容重、机械组成、田间持水率、饱和含水率、玉米种子发芽出苗土壤含水率、玉米凋萎系数，给出了土壤水分特征曲线方程、土壤水分扩散系数方程及土壤容重与土壤压紧力的关系，提供了数值模拟过程中所需的参数。

Abstract］ objective for the purpose of scientific evaluation and improvement on unreasonable parameter of viral inactivation,the dynamics curve of time corresponding to effect by given viral inactivation factor treated to blood plasma product were analyzed.methods aimed at vesicular stomatitis virus, sindbis virus, human immunodeficiency virus, polioviruses, pseudorabies virus,encephalon-yocarditis virus; validate data of viral inactivated on pasteurization of albumin, human rabies immunoglobulin with ph 4, human immunoglobulin and human hepatitis b immunoglobulin for intravenous injection with ph 4/pasteurization,treatment on human fibrinogen and human coagulation factor ⅷ with solvent/detergent and vapor heating at 100 ℃30 min were systemic regularized respectively.the mean and standard deviation also coefficient of variation for virus survival titer in different time were stated, dynamics curve of virus inactivation were made and analyzed.results human albumin pasteurization inactivated vsv and sindbis virus,hrig low ph inactivated vsv and sindbis virus,hrig low ph inactivated hiv virus,ivig low ph/pasteurization inactivated hiv virus,ivig low ph inactivated hiv virus,hbig low ph/pasteurization inactivated vsv,sindbis and polio virus.conclusion suggestion about improvement on unreasonable parameter and standard of virus inactivation is made,cultivate target virus directly from final product by appropriate cell or method to monitoring viral safety of blood plasma product is advanced.

目的 分析血液制品特定灭活因子的时效动力学曲线，科学性地评价与改进不合理的病毒灭活参数。方法系统性整理针对水疱性口炎病毒、黄热病毒、脊髓灰质炎病毒、伪狂犬病毒、脑心肌炎病毒、人类免疫缺陷病毒，人血白蛋白采用巴氏消毒法，狂犬病人免疫球蛋白采用低ph常温孵放法，静注人免疫球蛋白、静注人乙肝免疫球蛋白采用低ph/巴氏消毒法；人纤维蛋白原、人凝血因子ⅷ采用有机溶剂/去污剂与干热法灭活病毒的验证资料，统计3批样品多个取样点的残余病毒滴度均值、标准差与变异系数，制作灭活病毒动力曲线图并进行分析。结果人血白蛋白巴氏灭活vsv与sindbis病毒，hrig低ph灭活vsv和sindbis病毒，hrig低ph灭活hiv病毒，ivig低ph/巴氏灭活hiv病毒，ivig低ph灭活hiv病毒，hbig低ph/巴氏灭活vsv、sindbis与polio病毒。结论建议改进病毒灭活验证标准与不合理的灭活参数；采用终产品样品通过合适细胞或方法直接培养目标病毒来有效监测血液制品的病毒安全性。

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。