23 Result(s)
within
English
Earth Sciences
Environment, general
**-**a Ding
Chapter
-
Chapter
Infrared Effect of Minerals
Fourier transform infrared spectroscopy technology has played an important role in various fields, including food safety detection, identifying the fingerprint area of substances, and revealing the internal vi...
-
Chapter
Photocatalytic Reduction Effects of Sphalerite and Sulfur
Semiconducting minerals are widely distributed in nature. They have been playing critical roles in near-surface geological processes, including the formation of prebiotic organic molecules (Schoonen et al., Am...
-
Chapter
Photoactivity of Mn Oxides on Earth’s Surface
Mn oxides have long been ubiquitously spread on earth, from the Mn deposits in Precambrian strata (Roy in Geol Soc London Spec Publ 119:5–27, 1997) to the Mn nodules spread over the sea floor (Bauman in Nature...
-
Chapter
Interaction Between Fe & Mn-Bearing Minerals and Microbes
Minerals and microbes have coevolved throughout the earth’s history. They interact at the microscopic scale, but their effects are manifested macroscopically. Minerals support microbial growth by providing ess...
-
Chapter
Photocatalytic Oxidation Effects of Rutile
The use of photocatalytic reactions for industrial and environmental applications has received growing attention since Fujishima and Honda discovered the photocatalytic splitting of water on TiO2 electrode (Fujis...
-
Chapter
Human Pathological Mineral Features
Mineralization is a subsystem of the life system, which is one of several events that constitute the life process of the human body. Functional mineralization is a controlled process that occurs in a specific ...
-
Chapter
Environmental Effects of Tunnel Structure Minerals
There are more than 30 known manganese oxide/hydroxide minerals distributed in a wide variety of geological settings (Post in Proc Nal Acad Sci 96(7):3447–3454 1999). Mn presents in most manganese oxide/hydrox...
-
Chapter
Redox Activity of Iron Sulfide and Mn Oxide
Pyrrhotite is a common iron sulfide mineral in nature, which can be divided into hexagonal and monoclinic structure. Hexagonal pyrrhotite is also called meteorite pyrite, and its chemical composition is FeS. T...
-
Chapter
Interactions Between Semiconducting Minerals and Microbes
A synergistic reaction pathway has been identified between semiconducting minerals and bacteria. Such reactions sustain electron and energy flow from light to non-phototrophic bacteria via semiconducting miner...
-
Chapter
Environmental Property of Minerals
Resources and environment are the two main themes of contemporary earth sciences. And as a basic discipline of geoscience, the development of mineralogy should focus on the two themes. The understanding and ut...
-
Chapter
Study on Countermeasures for Risks of Flood Resources Utilization in the Three Gorges Project
The flood resources utilization of the Three Gorges Reservoir is limited due to the short forecast period of respiration and flood, and results errors. There are also uncertainties in various aspects such as w...
-
Chapter
Study on Pre-impounding Method of the Three Gorges Project at the End of Flood Season
The initial design considers the need for flood control and conducive to the sand discharge. The reservoir arranges to store water in early October after flood. It is very important to complete the water stora...
-
Chapter
Conclusion and Prospect
The basin-wide utilization of flood resources is an important measure to give full play to the characteristics of flood resources, alleviate the shortage of water resources and realize the sustainable developm...
-
Chapter
Overall Situation of Yangtze River Basin
The Yangtze River drains a total area of 1.8 million km2, representing 18.8% of the territorial area of China, with a total mainstream length of 6300 km. The Yangtze River Basin possesses total water resources of...
-
Chapter
Study on Regulation Mode of Small and Medium Floods in the Three Gorges Project
Since the experimental impoundment of the Three Gorges Project in 2008, the maximum flood peak flow rate was 71,200 m3/s, which is much smaller than the design flood (the maximum flood peak flow of 98,800 m3/s). ...
-
Chapter
Feasibility Study on Flood Resources Utilization in Yangtze River Basin
Generally speaking, the evaluation system for flood resources utilization mainly includes the analysis of flood resources utilization methods and utilization level, evaluation of utilization amount and potenti...
-
Chapter
Countermeasures for the Utilization of Flood Resources and Risk Reduction in the Yangtze River Basin
The risk of flood resources utilization refers to the unexpected events and the occurrence probability of using flood resources to solve water shortages and maintain a healthy ecological environment under the ...
-
Chapter
Study on Floating Water Level During Flood Season of the Three Gorges
According to the flood control needs of the middle and lower reaches of the Yangtze River and the requirements of “store clear and dredge muddy” for the reservoir, the preliminary design of the Three Gorges Re...
-
Chapter
Necessity of Study
At present, there are some disputes and differences in the basic concept of flood resources utilization within the academic circles. The existing concepts of flood resources utilization are summarized, compare...
-
Chapter
Analysis on Characteristics and Changes of Flow-Sediment in Yangtze River Basin
The Upstream Yangtze is the reach above Yichang City on the Mainstream Yangtze, draining an area of about 1 million km2
