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The partial least-squares regression model is built up to forecast crop leaf water potential of estival maize.Thirdly, atmosphere aspect, the low water age has been forecasting by R/S method of fractal theory in Si Chuan middle region. The chaotic behavior of agriculture meteorologic factors (average temperature, max temperature, min temperature, temperature of the earths surface, evaporators, precipitation, relative humidity, sunlight time) time series is investigated using the phase-space reconstruction technique, and the delay time and relation dimension and min embedding dimension and Lyapunov exponent and Kolmogrov entropy is calculated. The atmosphere water potential is calculated by surveyed data, and the day change law of atmosphere water potential and the relation between it and sun radiation has been discussed.

第三，关于大气方面，利用分形理论中R/S分析法对川中丘陵区的枯水年进行了预测；利用混沌理论的重构相空间技术，确定了农业气象因子(旬平均气温、最高气温、最低气温、地表温度、蒸发量、降水量、相对湿度、日照时数)的延时、关联维数、最小嵌入维数、Lyapunov指数、Kolmogrov熵，从而证明了以上各农业气象因子的时间序列具有混沌特性，为利用混沌理论预测各气象因子提供了科学依据；利用田间自动气象站的数据计算了大气水势并探讨了大气水势的日变化规律以及大气水势与太阳辐射的关系。

Theoretical analyses indicate that the reduction of internal relative humidity or so_called self_desiccation of HPC may be mainly caused by the increase in the mole concentration of soluble ions in HPC and the fractions of gel water, absorbed water and interlayer water in the total amount of evaporable water.

理论分析表明，混凝土中可溶离子浓度的增大，及凝胶孔水、吸附水、层间水在总可蒸发水量中的比例增大是导致HPC自收缩或自干燥的主要机理。

Although the theory of water and soil loss law and the echniques of integrated soil and water conservation measure of primary geomorphy have become quite mature by scientists' effort over several decades in the world, study to water and soil loss in constructional project is slow to developed country. Among researchers, there are many opinions on the model of water and soil loss caused by constructional project because it is serious shortage of data from observation or test in construction projects.

原生地貌水土流失规律和综合治理技术措施经过几十年的研究与探索，基本形成了较为成熟的理论体系和技术措施体系，但我国对开发建设项目水土保持的研究起步较晚，对水土流失预测的概念、内容还存在着不同的理解，特别是目前开发建设项目水土流失定位观测和动态监测数据十分缺乏，水土流失预测模式中的参数缺乏实验值，都是凭经验估计或参照坡面或流域水土流失预报方程中的参数取值，由此预测出的水土流失量误差极大，从而影响到水土保持措施的优化配置。

To effectively control the spread of halobios by discharging ballast water, in February of this year, the IMO issued the Vessel Ballast Water and Sediment Control and Management Conventions with strict criteria for discharging ballast water. Many major shipping countries also strengthen their management over ballast water.

为了有效控制船舶压载水排放导致的海洋生物入侵性传播灾害，国际海事组织于今年2月通过了《船舶压载水及沉淀物控制和管理国际公约》，制定了严格的压载水排放标准，许多航运大国也加强了对压载水的监管力度。

Building-type air cooled cool water and hot water unit is central air-conditioning system using the air as the refrigeration source , the water as the refrigeration agent . As the equipment integrating the refrigeration and hearting generation , the air cooled water and hot waterunit omits the cooling tower and its corresponding tube system , its structure is simple and economizes much installation space , the maintenance and management is very convenient , the utilization is wide .

户式风冷冷热水机组是以空气为冷源，以水为供冷介质的中央空调机组，作为冷热兼用型的一体化设备，户式风冷冷热水机组省却了冷却塔及相应管道系统等许多附件，系统结构简单，安装空间节省，维护管理方便且节约能源，适用广泛。

Experts'research on the stability of water-based ink and process has been a preliminary study. Femandez and other matozoa of the discovery of water-based ink by electrostatic repulsion stability and space steric 's. Aromtics and gecol, and so on the surface of the plastic film studies indicate that water-based inks, join different types of surfactants can be effective removal of water-based inks, and Canadians zephiramine hexadecyl alkyltrimethylammonium can make the surface charge of carbon black particles.

国际学者差火性油墨的稳不退性和脱除工艺已举行了开端查究。femandez等发掘火性油墨的胶体稳不退性是由静电排不引力和不满答位阻效应成群不决的。gecol等差脱除塑料薄膜暗不天的火性油墨查究后暗示，参加差别种类暗不天活性剂均可灵验去除火性油墨，而且加人阳离子暗不天活性剂十六烷基不一甲基溴化铵可以使炭暗粒子暗不天电荷逆转。

However, the water quality simulation results by CE-QUAL-W2 model revealed that the hydrologically induced density currents in winter together with the external loads of P were the main cause of the surface water quality deterioration, even though the bottom water carrying abundant P internal loads might be lifted to the middle layer by the water momentum force by the density current.

然而以CE-QUAL-W2二维水理水质模式模拟结果，翡翠水库年初表水总磷浓度突增主要是受到冬季冷水密度流造成的水体抬升及前一年停留在中层水之磷外部负荷联合贡献结果，相对地磷内部负荷虽可被抬升至中层水处，对表水的贡献有限。

However, the water quality simulation results by CE-QUAL-W2 model revealed that the hydrologically induced density currents in winter together with the external loads of P were the main cause of the surface water quality deterioration, even though the bottom water carrying abundant P internal loads might be lifted to the middle layer by the water momentum force by the density current.

模拟之底泥溶解总磷负荷和溶解总磷外部负荷相当。然而以CE-QUAL-W2二维水理水质模式模拟结果，翡翠水库年初表水总磷浓度突增主要是受到冬季冷水密度流造成的水体抬升及前一年停留在中层水之磷外部负荷联合贡献结果，相对地磷内部负荷虽可被抬升至中层水处，对表水的贡献有限。

Dividing the overall water environment quality into 4 parts-water quality, bottom gyttja quality, hydrophily zoology quality and eutrophic state, choosing 7 spots" monitoring data to assess each spots" water environment quality, then assess their synthesize water environment quality and achieve their optimum order. Thus, this paper proves the availability of Fuzzy Synthesize Assessment.

共选了7个测点分别评价各群体质量，再对其进行综合评价，得到各点综合质量并排序，使该水库水环境质量空间变化一目了然，从而证明该理论的实用性。

When drinking purified water or mineral spring water from , except enjoying the convenience brought by them, we also want to possess health brought by purified water. But is this way to drink water really healthy and hygeian?

人们用饮水机畅饮纯净水或者矿泉水的时候，除了想享受饮水机为生活带来的便捷外，也想享受纯净的水质所带来的健康但是，这样的饮水方式是否真的健康、卫生？

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。