因子模型

The model has overlay and index method as the basic, mathematical model and statistical method embedded to form an integrated model. The HYDRUS model is performed to obtain the rating system, and principal component analysis and factor analysis are used to get the weighting system.

该模型以参数系统法为基础，将数学模型和统计方法嵌入该综合模型中，通过HYDRUS模型进行数值模拟来建立评价因子的评分体系，权重体系由主成分－因子分析法得到。

E and Sirus red in supersaturated picric acid solution;the amount of HA in serum was measured with the method of radiative immunity;the quantitative expression of fibrosis factor—TGF、PDGF was measured with the method of immunity histochemistry.Results:Myocardial collagen in model group increased obviously compared with normal group from the results of electron microscope、H.E、Sirus red in supersaturated picric acid solution.

腹腔注射柯萨奇B3病毒建立病毒性心肌炎慢性期心肌纤维化小鼠模型，随机分为模型对照组、通心络低剂量组、中剂量组、高剂量组，并设正常对照组，用药四周后处死动物通过透射电镜观察心肌细胞超微结构；HE染色、苦味酸天狼星红染色观察心肌胶原数量；放免法测定血清透明质酸的含量；免疫组化染色观察致纤维化细胞因子—转化生长因子和血小板衍生生长因子的定量表达。

Methods:Establish the model of myocardial fibrosis in chronic stage of viral myocarditis by injecting CVB3 into Balb/c rats,divide these rats into model group、Tong xin luo low dose group、Tong xin luo medium dose group、Tong xin luo high dose group and set up normal group,after four weeks of giving medicine execute the animals and observe the ultrastructure of myocardial cell with tramission electron microscope,the quantity of myocardial collagen was observed by staining with H.E and Sirus red in supersaturated picric acid solution;the amount of HA in serum was measured with the method of radiative immunity;the quantitative expression of fibrosis factor—TGF、PDGF was measured with the method of immunity histochemistry.

腹腔注射柯萨奇B3病毒建立病毒性心肌炎慢性期心肌纤维化小鼠模型，随机分为模型对照组、通心络低剂量组、中剂量组、高剂量组，并设正常对照组，用药四周后处死动物通过透射电镜观察心肌细胞超微结构；HE染色、苦味酸天狼星红染色观察心肌胶原数量；放免法测定血清透明质酸的含量；免疫组化染色观察致纤维化细胞因子—转化生长因子和血小板衍生生长因子的定量表达。

Study on the driving forces of land use/cover temporal-spatial change. On the basis of the systematical study on natural and social-ecomic factors including climate, population, technology and affluence status etc. during the past 50 years in this area, the multivariate statistics simulation models of LUCC were developed for two periods of 1950's-1980's and 1986-2000 respectively. Then, the Thiesson polygon method was used to the spatial allocation of soci-economic factors, thereby the spatial relationship between land use degree change and socieconomic factor variation was detected within GIS. Based on the analysis of the integrative characters in different geographical divisions, the electivity index was employed to describe the possible impacts of the natural landscape structure on spatial differentiation of land use transition. At last, correlation analysis between major roads and the distribution of land use change was made.

分析近50年气候资料和人文因子在不同年代的变化特点，系统地研究了气温和降水等自然因子和人口、农牧业发展、经济状况等人文因子对区域土地利用变化的影响；从时间序列的角度分析了50年代至80年代初和80年代中期至2000年两个时段土地利用／土地覆被变化的驱动因子，在相关分析的基础上，分时段建立了区域土地利用／覆被变化的自然-人文影响统计诊断模型；针对不同经济类型区选择典型县，分析近15年土地利用变化外在人文驱动力的区域相似性和差异性；尝试以THIESSEN多边形方法进行社会经济统计数据的空间化处理，探讨了土地利用程度变化与人文因素变化的空间相关关系；以优先指数模型和土地利用类型转化率与距交通干线距离的相关模型分析了景观自然与人文结构对土地利用空间转化过程的影响。

Secondly, there are bigger value at risk by Historical Simulation Method of risk-factors free, represented investitive net value are NT 10,000,000, maximum loss of 5﹪probability will greater than NT 2,816,827 or NT 2,344,946. So used considering VAR－Bootstrap of risk factors were more appropriated model, because model of considering risk factors were able to accurate estimate reality value at risk.

二、以未考量风险因子之历史模拟法及GARCH－拔靴法所估计风险值较大，表示投资净值一千万，有5﹪的机率可能的最大损失会大於2，816，827元或2，344，946元，因此，考量风险因子之VAR模型－拔靴法为较适当之模型，因有考量影响风险之因子，较能准确估计出实际之风险值。

Methods: 5% propranolol emulsion was applied externally on the back of a guinea pig\' s ear to produce the psoriasis-like dermatitis model to observe the effects of Baibi ointment on the histopathological changes of the model.Radioimmunoassay was used to observe the levels of cytokines like IL-2、IL—6 and IL-8, and the effects of the ointment to the cytokines. MTT method was used to study the effects of the extracts of the Baibi Formula and the extracts of its main components Huangjing , Kushen , Dahuang ,Huangbai, to the multiplication of HaCaT cells—one of the Malpighian cell line with and without stimulation of TNF-α.

实验采用5%心得安乳剂建立豚鼠银屑病样皮炎模型，观察白疙软膏对豚鼠银屑病样皮炎模型组织病理改变的影响；采用放射免疫法检测豚鼠银屑病样皮炎模型皮损中细胞因子IL-2、IL-6、IL-8的水平，观察白疕软膏对豚鼠银屑病样皮炎模型皮损中细胞因子的影响；采用MTT法研究了中药白疕方提取液及白疕方主要组成药物大黄、黄柏、黄精、苦参提取液对角质形成细胞系HaCaT细胞增殖的影响及对TNF-α刺激后的角质形成细胞系HaCaT细胞增殖的影响。

The harm extent of Dendrolimus tabulaeformis and D. spectabilis were analyzed by fourteen forest factors, from which four significant ones were selected: crown density, altitude, average diameter at breast height and MLP. MLP is a new parameter suggested in this paper. It is better than diversity index to the harm extent, and it can indicate some information on not only the under story plant species diversity but the forest environment. Using the four key factors a multiphase linear regression model was made for risk analysis of the harm extent of pine caterpillar.

该文首次提出了林下植物喜湿度参数MLP(Moisture-Loving Parameter)，并用包括MLP在内的14个林分因子与松毛虫危害程度进行逐步回归分析，从中筛选出主林层郁闭度、海拔高度、油松平均胸径和林下植物喜湿度参数4个关键因子，与松毛虫危害程度之间均呈显著的负相关关系，并进一步用这4个因子与松毛虫危害程度建立多元线性回归模型，该模型可对松毛虫危害程度进行风险评估。

The main research tasks and results are as follows:(1) Through comparing the stress intensity factor of compact tension specimen calculated by finite element software with the theoretical value, the feasibility of calculating fracture parameters of crack tip in ABAQUS software was verified.(2) The relationship between the elastic modulus of the material and research scale was studied based on deriving the cohesive stress theory and other relevant theories. And the elastic modulus of the material on meso-scale was determined.(3) Global model and sub-model of the finite element were built in th...e macro-scale, and stress-strain field nearby the crack tip was analyzed, and the results show that the detailed stress-strain in the crack tip could be obtained by using the sub-model technique.(4) In meso-scale, the crack growth model was also established by assuming the crack propagating along the grain boundary, and the detailed stress-strain field in the crack tip was obtained.(5) The effect of crack length on Von Mises stress, and maximum principal stress and strain was analyzed in meso-scale when equivalent KI equals 30MPa.m1/2. And the results show that except for crack tip area, the stress-strain distribution in whole specimen is not affected.

主要完成研究内容和取得成果如下：(1)利用有限元软件计算出紧凑拉伸试样的裂纹尖端应力强度因子KI值，其结果与理论值一致，从而验证了利用ABAQUS计算裂纹尖端相关断裂参量的可行性；(2)在研究内聚应力等相关理论的基础上，推导出了研究尺度与材料弹性模量的近似关系，并确定了介观尺度上的弹性模量；(3)在宏观尺度上建立了全局有限元计算模型和子模型，得到了裂纹尖端应力应变场分布，结果表明利用子模型技术获得比较准确的裂纹尖端应力应变场分布是可行的；(4)在介观尺度上利用平均晶粒尺度的方式建立了裂纹沿晶扩展模型，得到了裂纹尖端断裂过程区的微观应力应变场；(5)当应力强度因子为30MPa.m1/2时，分析了介观尺度上在裂纹沿晶扩展过程中裂纹长度对Mises应力、最大主应力和应变的影响，结果表明，裂纹扩展长度对试样整体应力应变分布影响不大，而对裂纹尖端区域有较大影响；(6)介。。。

Following successful modeling, rats of bFGF group were intratracheally injected with 400 U bFGF and rats of VEGF group with 2 μg VEGF, once a week for three times. MSCs group was injected 1 mL suspension of 4×109/L MSCs into tail vein. MSCs+VEGF group was injected MSCs into tail vein and intratracheally injected VEGF (2 ug, three times) at the same time. Model control and normal control groups were intratracheally injected with equal volume of sodium chloride.

成功造模后，碱性成纤维细胞生长因子组气管内注入400 U碱性成纤维细胞生长因子，血管内皮生长因子组气管内注入2 μg血管内皮生长因子，1次/周，共3次；单纯细胞移植组于尾静脉注入4×109 L-1骨髓间充质干细胞悬液1 mL；血管内皮生长因子+细胞移植组气管内注入血管内皮生长因子的同时，尾静脉注入骨髓间充质干细胞；模型对照组、正常对照组给予相同体积的生理盐水。

The system implemented forest fire model selection automatically and intelligently. BP artificial neural network model of forest fire model selection was build by treating forest fire environment data as inputting variable and treating appropriate forest fire model as outputting variable. At the same time, we studied the methods of acquiring and calculating data of inputting and outputting. The system implemented machine of model selection automatically based on dynamic data driven technology. We selected 72 items experimental data from historical forest fire records in Beijing to experiment and confirm the validity of model selection. It turned out that the reliability of model selection is more than 80 percent.

3基于BP人工神经网络方法设计了林火模型适宜性选择技术框架结构，通过神经网络形成林火模型选择知识，实现了林火模型的自动化和智能化选择；以火场环境因子为输入变量，以适宜火场环境模拟的林火蔓延模型作为输出变量，构建了林火模型选择神经网络模型；研究了输入、输出因子数据的获取与计算方式，实现了动态数据驱动的林火模型自动选择机制；以本京市为例，选择了有详细火场情况记录的72场林火作为实验样本，其中60条记录作为学习样本集，12条记录作为验证样本，对神经网络进行了学习和验证，实验结果表明，模型选择精度可达到80%以上。

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。