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The reference crop evapotranspiration(ET0) in Guanzhong region was calculated with the Penman-Monteith equation. The change characteristics of meteorological factors and ET0 over year were analyzed. The regressing relation between ET0 and geography factors was established. Space distribution of ET0 based digital elevation model was obtained. The water consumption model of main cropes was established using the crop cofficient method. The irrigation water requirement of main crop and it's space distribution based DEM under the different precipitation probability was obtained, which advanced the calculation precision of ET0 from spot scal to regional scal. The concept of water consumption under the irrigational scal was proposed. The water consumption model of different water user and model of groundwater balance based on the water consumption of Baojixia irrigation district was established. Which can refects the relation between water utilization, water consumption and change amount of groundwater resouces.

深入分析了关中地区气象要素的变化趋势,用Penman-Montainth 公式计算了参考作物蒸发蒸腾量(ET0),建立了ET0与地理要素的多元回归关系,获得了基于数字高程模型DEM的关中地区ET0的空间分布图;用作物系数法建立了关中主要作物生育期耗水模型,获得了主要作物在不同降雨条件下的灌溉需水,以及基于DEM的主要作物灌溉需水空间分布图,提高了作物蒸发蒸腾量由点到面尺度转换过程中的估算精度;界定了灌区尺度的耗水量的概念,包括用水耗水和非用水耗水,建立了灌区耗水量计算模型及基于耗水量变化的浅层地下水均衡模型,能较好地反映灌区引水量、耗水量及地下水蓄变量之间的内在关系。

Then, in the viscous fields, based on reference enthalpy theory and semi-empirical formulas, using the boundary layer edge conditions and classic methods, calculated the heating rates and the temperature on the heads of projectile in different Mach number and different angle of attack.

在粘性主导区内,在理论与半经验公式的基础上,利用参考焓方法,将无粘数值求解得到的边界层外缘参数代入经典的热流计算公式,从而得到不同马赫数、不同攻角时弹丸头部的表面热流和温度。

The adopt the analytical method announced by environmental protection administration NIEA A715.12B "volatile organic compounds detection method at air - stainless steel canister/analyze mass spectrograph of gaseous phase ", to effectively analyze the air samples inside the station, to find out the space distribution and concentration of volatile organic compounds at the service station.

研究分析方法采用环保署公告NIEA A715.12B「空气中挥发性有机物检测方法-不袗采样筒/气相层析质谱仪法」,期望有效分析加油站内空气样品,对站内空气中各挥发性有机物物种进行定性与定量分析,以了解站内挥发性有机物空间分布与浓度分布情况,提供国内相关资料库与相关立法规范参考。

Machine study for arithmetic multi-layer perceptron, it can recognize 2D dot matric graph, it is a good reference for p...

机器学习及人工智能中的多层感机的算法,可识别复杂的二维点阵图形,在实际的模式识别中很有参考价值。

The authors present a targets detection method based on the hierarchical clustering which constructs the similarity measuring function according the movement rule of stars and targets,finds the optimal separating hyperplane and classified amount by means of finding the inflexion of error square sum function,then distinguish the targets from stars and noises by two level hierarchical clustering.

提出了基于层次聚类的空间弱小目标检测算法,以星点到参考恒星之间的距离变化为依据,根据恒星和目标的运动特性构造相似性度量函数,通过寻找误差平方和曲线拐点的方法寻找最优分类曲面和分类个数,最后以两层复合分类将恒星、噪声和目标分离。

This paper presents the seismic evaluation and fortification effect analysis for a multistory masonry building and puts forward amendment to seismic evaluation of cracked structure, which can be referred to by designers.

以一多层砖房为例介绍了对其进行抗震鉴定及设防效果分析的情况,并提出了对开裂房屋在进行鉴定时应给予修正的建议,供工程设计人员参考。

The death rate grew by 37%. Chinese previously did not need security door. But by now, to some place, security window has been set at seventh floor. For there are too many gangster every where, no company in China would arrange with their workwomen to go home at night. No body knows what really are the food every one have everyday. Neoteny has take place on children. Then we can imagine the situation of our health in the future. There are about 20 million girls in China are pursuing sexual work. That creates 6% of GDP aggregate, which is as much as 1000 billion RMB. This kind of activity had never appeared in the history of human being except Japan. The height of Chinese people is 2.5cm lower than that of Japanese. We can no longer see them by looking down. The small Japan became big Japan. We create 0.1 billions GDP with the payment of 1 person's life, reported by reference news. The number of death in 2003 is 136 thousands. So the number of industrial injury will be 200 thousands. It is true that our GDP is bloody. Actually, this number is a small part of the true number. The numbers which can be accounted are in nationalized business or in a big accident. In personalized business or overseas-funded enterprise, the owner do not pay attention on the death of workers. So the data can not pass to the statistical department. However, the number of death there is much more than that of the first ones. If we add this in account, the number,annually can be compared with the massacre in Nanjing.

中国人从原来不知道防盗门窗为何物,到现在防盗窗已安装到了楼房的七层以上;由于流氓遍地防不胜防,全国企业早已不再安排女工上下夜班;有毒食品已经100%的覆盖了全部行业,每天人们咽进肚子里的食物究竟是什么,只有天知晓;性早熟现象已经蔓延到了学龄前儿童,未来的身体和寿命可想而知;约2000万少女被迫卖淫,创造的收入占GDP总量的6%,相当于一万多亿人民币,这种肉体积累是世界历史上除日本之外绝无仅有的现象;中国人的平均身高比日本人低了2.5公分,由以前低头看日本人到现在抬头看日本人,小日本真的成了"大日本";《参考消息》报道,中国每亿元GDP工伤死亡1人,2003年死亡达13.6万人,以此推算,今年工伤死亡人数将达到20万,"是名副其实的带血GDP",其实这个死亡数字不过是冰山一角,能够统计到的死亡数字,要么是国有企业,要么是死人较多的特大事故,私企和外企平常死个把人根本到不了统计部门,而私企和外企用工数量远远超过国有企业,如果考虑到这个因素,每年死亡人数至少相当于一场南京大屠杀。

Centrifugal pump ; reference separation point ; analysis on two phase flow boundary layer ; contrast test

离心泵;分离参考点;两相流边界层分析;对比试验

The piratical significance of one household one water and out home water meter in municipal water supply is introduced.

介绍了城市供水一户一表、水表出户的现实意义,同时结合晋城市城市供水系统的改造情况,分别就六层以上单元住户及庭院居民户的水表出户的技术标准进行了探讨,以供参考。

The influence of different assembled condition such as assembly method, concentration of zirconium source and pH value on the effectiveness of assembly were evaluated via DSC-TG, FT-IR, Uv-vis and SAXRD et al. It showed that the assembly effectivness of uncalcined 3 Si/Zr_10# sample was best.c The optical characteristic, which including light-conduction in infrared band and polarity in visible band, of dip-coating film and membrane assembled zirconia after processing parameters of assembly optimized were observed via FT-IR and Uv-vis. The polarity was characterized by polarizing angle through calculation from light-transmittance, light-reflectance and fresnel coefficient. qualitative analysis showed that the polarity of Si/Zr_10 # dip-coating film assembled was best.d Adopting zirconium oxychloride as zirconium source, CTAB as template, employing different CTAB adding sequence, two mesoporous zirconia samples were prepared. The template effect of two samples was discussed. It showed that the effect of the sample which CTAB adding sequence was same as mesoporous silica film was better. The light-conduction in infrared band of these samples was also studied, which offered comparison to the polarity of zirconium dioxide assembled within mesopore.

结果显示:组装条件优化后的uncalcined 3 Si/Zr_10#厚膜样组装效果最好,其组装液对应的pH值最利于该锆源离子模板交换组装; c选用FT-IR、Uv-vis对组装条件优化后纳米氧化锆/介孔氧化硅厚膜、纳米氧化锆/介孔氧化硅薄膜包括红外导光性、可见光区内的偏光性在内的光学特性进行了分析,其中偏光性以膜层透光性、反光性及菲涅耳系数计算出的偏振角即布儒斯特角表征,定性分析显示,Si/Zr_10#ZrO_2/介孔氧化硅厚膜偏光性最好; d以氧氯化锆ZrOCl_2·8H_2O为锆源,CTAB为模板剂,采用不同的模板剂加入顺序,探索性地制备两介孔氧化锆样,分析了两介孔氧化锆样的模板效果,得出模板剂加入顺序同介孔氧化硅薄膜时介孔氧化锆样的模板效果较好,并分析了所得样品的导光性,为锆氧粒子引起的附加光学特性分析提供了参考和对比。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。