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综合指标

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The first step is to get an evaluation index information map series; the second step is to do quantitative analysis and evaluation to every evaluation index by using the GIS software; the third step is to comprehensively evaluate the regional ecological function; the fourth step is to regionalize the ecological function.

其步骤为:第一步获取评价指标信息图层,第二步利用GIS软件对各个评价指标进行定量分析评价,第三步区域生态功能综合评价,第四步生态功能分区。

Computer aid cotton field nutrients regionalize management based on nutrients spatial interpolating and fertilizer recommendation system based on GIS were studied.

以新疆生产建设兵团芳草湖农场、新湖农场和81、89团为基地,通过多点分散肥料试验建立了综合施肥模型并对几种施肥模型和模型参数进行了研究;应用反射仪测定棉株硝酸盐含量,建立了棉花快速营养诊断追肥指标;应用农田养分分析数据和相关农业技术资料,建立了芳草湖农场GIS数据库;建立了基于GIS、以综合施肥模型为核心的棉田养分分区管理和推荐施肥系统。

Comprehensive comparing the thickness of cuticle, the quantity of sclerenchyma and the density of vein-bundles of the leaves of 7 cultivars, a comprehensive index of rub-resistant character of leaf was gained as one of tramp- resistant character indexes.

综合比较7个品种叶片的角质层厚度、机械组织含量、维管束排列密度,得出叶片耐磨性综合指数,可作为耐践踏性的指标之一。

On this basis, according to historical data, apply ANN and differential simulation method to get the quantitatively correlative relations between each production and its own influence factors, and introduce the new methods of prediction for dynamic indexes with gas-field development (The combinatorial prediction method based on fuzzy comprehensive evaluation, the method of ANN to select optimally combinatorial prediction models and the ANN prediction method based on genetic algorithm).(2) Base on mathematical programming, combine with quantitative economics and techno-economics, introduce economical indexes to establish production"s distribution optimal model, production"s constitution optimal model and measured production"s constitution optimal model, including multi-objective models and five-years models. Upon this, the optimal project for all gas field and each gas-collected factory can be got. Also, introduce the time value of capitals to improve on these models.(3) Base on the optimal solution theory and algorithm theory for the nonlinear programming problem, introduce the SUMT algorithm and genetic algorithm to study how to solve the models, and on the basis of normal genetic algorithm, make use of auto-adaptively modulating method to improve on normal genetic algorithm; Base on algorithm"s convergence theory and calculation"s complexity theory to analyze seriatim SUMT algorithm"s convergence and genetic algorithms convergence, and compare performance with each other.

在此基础上,利用神经网络方法和微分模拟方法根据历史数据得到各分项产量与其影响因素之间的定量关联关系,并引入气田开发动态指标新的预测方法(基于模糊综合评判的组合预测方法、神经网络优选组合预测模型预测方法以及基于遗传优化的神经网络预测方法);(2)以数学规划为基础,结合数量经济学和技术经济学,引入经济指标建立产量分配优化模型、产量构成优化模型、措施产量构成优化模型、气田开发多目标规划模型以及五年规划模型,进而获得全气田及各采气厂的最优方案,并引入资金时间价值对五年规划模型进行改进;(3)以非线性规划问题的最优解及算法理论为基础,引入SUMT算法以及遗传算法对模型的求解进行研究,并在原有的遗传算法基础上,引入自适应调整方法对遗传算法进行改进;以算法的收敛性理论和计算复杂性理论为基础,逐一分析SUMT算法以及遗传算法的收敛性,并比较三种算法的优劣性。

Take consider of the comparison of the light efficiency and the color rendering index we can find that: one piece of 1000W plasma lamp can equivalence to 2 pieces of 1000W metal halide lamp( no considering the light declining in ceramics metal halide lamp running ), and the lifetime of plasma lamp is 2 times to the metal halide lamp, so as a total by considering the lifetime and light efficiency indexes the one shot cost of metal halide is : 2×6500×2=26000YRMB, So we can find that the plasma lamp can save us 20500YRMB in the one shot cost.

根据两款灯发光效率和显色性的工程照明指标相比较得出:1个1000W的等离子灯相当与2个1000W金卤灯的照明效果(不计陶瓷金卤灯的后期光衰),而等离子灯的寿命是金卤灯的2倍,综合寿命和照明效果两项指标,在一次性投入上,金卤灯是2×6500×2=2.6 万元,由此可见,等离子灯的一次性投入比金卤灯节省2.05 万元。

Stored under the condition of 8~10℃, relative humidity 90%~95% for 30 days, snap bean which had been dealed with coating had 5 class in sense organs index, and decreased its commodity value. While when snap bean was treated with the combi...

将油豆角置于8~10℃、相对湿度90%~95%的环境中贮存到30d,经涂膜处理的油豆角感官指标5级,降低了商品价值;经涂膜与臭氧杀菌综合处理的油豆角感官指标3级、外观良好,具有较高的商品价值。

Because of the uncertainty of indexes in the process of classifying solonchak soil,the entropy value theory is applied to combining the traditional fuzzy comprehensive evaluation method for salt-affected soil classification.

针对盐渍土分类中客观存在的模糊性与随机性,将信息论中的熵值理论引入盐渍土综合评价中,运用信息熵所反映数据本身的效用值计算盐渍土评价中各指标的权值,使得权值的分配有了一定的理论依据,并结合传统的模糊综合评判法对盐渍土做出评价。

Based on theory of fuzzy sets and method of confirming index weight in AHP model, we establish respectively the quality comprehensively evaluating fuzzy models of the condition monitoring system, condition monitoring and analysing system, condition monitoring and analysing and fault diagnostic system of large rotating machines. We propose and establish the calculating formulas to assess the confidence level about application of the maximum subordinative rule.

基于模糊综合评定理论并结合AHP模型理论中确定指标权重系数的方法,分别建立了机组状态监测系统、机组状态监测分析系统和机组状态监测分析及故障诊断系统品质的模糊评定模型,针对模糊综合评定理论中最大隶属度原则的不足,提出了验证实施最大隶属度原则置信度的方法,给出了相应的计算公式。

The comprehensive assessment model for navigation safety for oil tanks in the Singapore and Malacca Strait is put forward based on the fuzzy comprehensive assessment method- a relatively perfect mature quantity assessment method in recent years. Weights of each corresponding index and the subordinative degree of each assessment element is determined after extensive work with Delphi method.

借鉴了近年来比较成熟和理想的定量化评价方法,模糊综合评判,建立了新、马海峡水域油轮航行安全综合评判模型,通过广泛的专家调查,确立了各相应指标的权重以及各评价因素的隶属度。

Oxygen and carbon isotope of the carbonate sediments separately indicate lake waterδ~(18)O andδ~(13)C_,δ~(18)O indicates the volume of the input water which is a good index of Lake water level changes;δ~(13)C_ indicates the degree of the exchange between the lake and the atmosphere and indirectly indicates the ice cover time controlled by the temperature.3. Environmental changes in Lake Sugan drainage area during the past 2670 years reconstructed by mul-index synthesis analysis indicates that during

沉积物碳酸盐氧、碳同位素分别反应了湖水的δ~(18)O和δ~(13)C_,δ~(18)O指示湖水体积变化,是湖泊水位变化的良好指标;δ~(13)C_则指示了湖水和大气的交换程度以及入流水量的大小,间接指示了温度控制下的冰封时间长短。3、多指标综合分析重建的苏干湖流域晚全新世近2670年来的环境变化显示,苏干湖2670年来流域持续变干;出现截然不同的两个大的阶段,即

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。