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During the experiment, the control group was trained in the Morris water maze with the visual signals while all the visual reference objects of Morris water maze were removed when the test group was trained.
In addition, other factors such as age, sex, water temperature, mood, environment, and smell may also affect test scores of animals in Morris water maze [3-8].
For these reasons the reference system should keep consistent during the experiments, including the constant water temperature, fixed markers around the water maze and so on.
The water maze system consisted of a metal circular pool (diameter 100 cm, height 60 cm), in which a circular platform (diameter 5 cm, height 15 cm) was hidden one to two centimeter below the surface of the water (20 to 22℃) The conditions of the water maze was kept constant during the experiment.
The data analysis was carried out with the statistical software Sigma Plot 9.0 Professional.

All papers had undergone the careful peer-review by expert referees to the professional and scientific standards before it is selected for publications in these volumes.
Studies presented in this book cover these topics: Environmental Analysis, Monitoring and Pollution Control Project, Environmental Chemistry and Biological Researches, Environmental Safety and Health, Environmental Restoration and Purification Engineering, Ecological and Environmental Protection, Waste Disposal and Recycling, Disaster Prevention and Mitigation, Hydrology, Water Resources Engineering and Water Supply, Forest Cultivation and Plant Protection, Biomedical Engineering, Geographic Information Science and Remote Sensing, Geology and Geoscience, Prospecting and Exploration of Mineral Resources, Mining Engineering, Technologies of Mineral Processing, Technology of Oil and Gas Extraction, Urban and Rural Planning and Design, Sustainable Development, Circulary and Low-Carbon Economy, etc.

Some scholars have made a research about the phenomenon of water bloom and have established exploratory water bloom outbreak evaluative function.
u Resolving the model to obtain the optimal weight vector of attributes: Main Factor Analysis and Modeling Method for Water Bloom Analyzing Main factor of water-bloom Although it is not clear for critical factor and mechanism of occurrence of water bloom, some researches show that occurrence of water bloom is influenced by oxygen content and nitrogen, microbial species, temperature, illumination condition and intensity of waves in water body.
Water-bloom evaluation standard for river water system Water-bloom degree Content of Chl- a Phenomenon in water surface No water-bloom ≤0.02mg/L No algae accumulate in water surface, water body is clear and transparent Low-degree water-bloom 0.02～0.03mg/L Low quantity of algae accumulate in water surface, water body is relatively clear and transparent Moderate-degree water-bloom 0.03～0.05mg/L A great amount of algae accumulate in water surface, transparency of water body is low High-degree water-bloom ≥0.05mg/L Algae accumulative thickness increases in water surface, transparency of water body is almost high When modeling, parameters and factors, which have critical influential factors to water environment in every professional field, should be taken into consideration as comprehensive as possible.
In this way, it will be very vital for accurate prediction when influential factors such as water environment, water body eutrophication or change of water-bloom are taken into consideration.
Weighing other principal components, Chlorophyll a (Chl-a ) is a comprehensive index which not only reflects biomass of floating plant in water body, but also represents one of the most important indicators for water bloom phenomenon and degree in water body.

By professional, scientific and timely monitoring, reliable monitoring data and information on security incidents that may occur can be provided timely.
Zhou Xianglian etc. studied the foundation pit of circulating water pump-house of Beilun Electric Power Plant, and made real-time monitoring on the deformation of diaphragm walls, steel stresses, soil pressures and settlements during excavation process.
One layer of groundwater had been measured from the drilling during the geotechnical engineering investigation period, with the static water depth of 25.80m and elevation of 22.92~22.96m, defined as phreatic water.
The maximum elevation of groundwater level in recent 3-5years was around 25.70m, without the consideration of perched water. 2.2 Supporting design The supporting for foundation pit slope is divided into five areas.

A professional manufacturer of cotton based fabric (123.4g/m2) selected was supplied by Jingqiu Textile Co.
Reactive Red 84 was supplied by Huntsman (Shanghai, China), a professional manufacturer of dye.
Water: 8 L of water with hardness of 130 ppm Ca.
Neutralized fabric samples were then thoroughly rinsed in deionised water.

Water resources demand indicator.Pressure of the groundwater environment mainly comes from human’s demand on water resources.
The water resources demand indicator reflects the water supply capacity and the regional water demands, also, it includes the good and adverse indicators.
Table 1 Health Forewarning Indicators of Groundwater Environment Sub-indicator Layer Unit Methods or Basis for Calculation Characteristic Significance C1GDP annual growth % Based on economic development scale Indicate the economic growth C2 natural population growth % Based on population changes Change strength of the groundwater environmental stress factors C3 water consumption per GDP output m3/×104RMB Social production and life water consumption/GDP output Pressure from economic development demand on water resources C4 water consumption per industrial output m3/×104RMB Industrial water consumption/industrial outpur Pressure from industrial water consumption to water resource supply C5 water consumption norm for farmland irrigation m3/mu Effective irrigation area/farmland area Pressure from agricultural water consumption to water resources supply C6 water possession per hectare farmland m3/hectare Water resources amount/farmland area Capacity of groundwater to support agricultural water
consumption C7 ratio of agricultural water % Agricultural water consummation/total water consumption Pressure from agricultural water to water resources supply C8 ratio of water deficiency % Water resources demands-available water resources/water resources demands Pressure from insufficient water resources supply C9 surface water resources modulus ×104m3 (km2a) Local surface water resources/calculate area Resources supply capacity of natural groundwater C10 groundwater supplementary resources modulus ×104m3/ (km2·a) Groundwater supplementary amount/calculate area Reproducible capacity of groundwater C11specific capacity of aquifer m3/d·m Pumping test/existing data Self supply capacity of groundwater system C12 exploitable groundwater resources modulus ×104m3/ (km2·a) Exploitable groundwater resources/calculate area Regulating capacity of characteristic groundwater C13 groundwater natural protection capacity Non-dimensional Based on DRASTIC index system evaluation results Fragility
Pcs/(100m2) Surface collapse sites/total area State of geologic structure stability of groundwater system itself C36 number of ground fissure Pcs/(100m2) Ground fissure number/total area State of geologic structure stability of groundwater system itself C37 overall grade of groundwater quality Non-dimensional Comprehensive evaluation method in the Quality Standard for Groundwater Influence and significance of human activities to groundwater environment C38 ratio of hydraulic engineering in GDP investment % Hydraulic engineering investment/total GDP investment Government’s investment response to groundwater environment administration C39 ratio of professional technicians % Professional technicians/total technicians Human’s investment response to groundwater environment administration C40 water-saving irrigation area ratio % Water-saving irrigation area/land area Human’s response to the demand pressure of groundwater environment C41 cyclic use ratio of industrial water % Repeat used water

Finally puts forward interface standards which could be applied to the underground water monitoring system.
For the purpose of accessing and controlling of the dynamic information of the underground water widely and immediately, all kinds of underlying device (including sensor) in the underground water monitoring system [1]are networked to acquire multiple parameters.
Although this standard is not confirmed by any professional societies, standardization organizations or government departments, this standard is supported by many manufactures and users in US (from the present situation.
Foreign underground water monitoring [J].
Underground Water, 1991, 1:54-56 [15] Zhao Gen.

The civil works purely serve the function of regulating the level of the water at the intake to the hydro-plant.
In medium or high-head installations water is carried to the fore bay by a small canal.
This unique chevron shaped paddle treads give the barrel the ability to rotate about its horizontal axis in fast flowing water, entering the water smoothly and re-surfacing without lifting water.
CONCLUSION The proposed a concept of floating axis water stream turbine.
Micro-Hydro Power: Status And Prospects, Journal of Power and Energy, Professional Engineering Publishing. 2002

Especially seasonal water supply is still serious, according to the investigation in National Day in 2011, some streams including Jing ming, Lingyan and Lingfeng have been cut off in the Yandang mountain national forest park.
Balance ability for water supply and demand: ①the surface water supplies must ensure that supply of landscape water won’t be affected; ②effective water-saving measures have been taken in the hotel, the guesthouse, motel and family hotel including the logo and slogan of saving-water and so on;③water-saving induction tap and vacuum toilets have been installed in public toilets and guest rooms of hotels; ④the rainwater collection system have been established to collect rain to irrigate green ground, flowers and trees and to flush road.
Environmental quality for surface water: ①in national forest parks to reach class I of standard (GB3838--2002) is regarded to be "safe", the rest reaching class II is regarded to be "safe"; ②to achieve class III for landscape water quality is regarded to be " safe".
Intensity of wastewater treatment: ①phosphorus-free and organic standard bath and detergent only have been utilized in park; ②high standard and water-saving vacuum toilets have been set up in the guest houses of hotels and public toilets, and wastewater have been treated in biogas digester; ③ the toilet waste- water and sewage have been separated, and sewage treatment have been treated into intermediate water for car washing and watering flowers and so on; ④methane have been promoted in the community.
[3] Xin-xiang Cao, Tai-zheng Chen and Wei-hong Wang: Journal of Soil and Water Conservation Research Vol.13 ( 2006), p. 209

The Construction Management Association of America (CMAA) (a US construction management certification and advocacy body) says the 120 most common responsibilities of a Construction Manager fall into the following 7 categories: Project Management Planning, Cost Management, Time Management, Quality Management, Contract Administration, Safety Management, and CM Professional Practice.
CM professional practice includes specific activities, such as defining the responsibilities and management structure of the project management team, organizing and leading by implementing project controls, defining roles and responsibilities, developing communication protocols, and identifying elements of project design and construction likely to give rise to disputes and claims [1].
Some examples are sanitary sewers, waste management, and clean water [2].
Runoff can occur during storms which can possibly transfer harmful pollutants through the soil to rivers, lakes, wetlands, and coastal waters.
The contractor must make accommodations so that erosion and water flow are not affected by construction.