2. The increase of sediment in the Yellow River is caused by soil erosion. Soil erosion is caused by the destruction of vegetation, which leads to the ecological imbalance in nature. Now a large area of forest is covered by the Yellow River. Environmental pollution, uncontrolled reclamation and grazing and deforestation make the problem of quicksand more serious.
All kinds of difficulties and setbacks in life can not only be "mud" to bury us, but also be a stepping stone to our progress. As long as we are good at using it, we can overcome difficulties and succeed.
4. Society is like a fish pond. Although it is full of sediment, it is a bit scary to make a pool of clear water. Family is like a fish tank, which needs cleaning, breathing and careful care, otherwise it can't survive.
5. The Yellow River twists and turns, and you pour at me, mixed with heavy sediment.
6. Talent, like gold and copper, grows in the sand and will not rot quickly. May the public love men as much as they love men, and don't bury the dross. Yuan Mei
7. Spring is often rainy and windy, and the sunny spring sky is empty. Who cares about red mud?
8. When this school enrolls students, it is really full of mud and sand.
9. Where there is will, the sediment of frustration is washed away by the sweat of struggle; Leaving a shining golden grain, that is success.
The sands in your way beg for your song and your movement, dancing water. Are you willing to bear the burden of lameness? Tagore
1 1. Only by cutting open the hard stone and washing out the sediment can you know jade.
12, sediment rushes by the power of rapids, but even when it reaches the sea, it can't escape the fate of sinking.
13, want to put a bottle of water, but get half a bottle of sediment; I want to look for those familiar eyes, but what I see is the northern shadow far away from me.
14. The water in the Yangtze River is very turbid, and you can see the sediment floating in the water. Seen from a distance, the Yangtze River seems to be a yellow ribbon tied to the green land.
15, a lot of sediment is deposited here.
16, want to put a bottle of water, but it is half a bottle of sediment; I want to look for those enjoying eyes, but what I see is the background far away from me.
17, the road we once walked together, your footprints have long been covered by sand, but they have been deeply imprinted in my heart! I can't help but think of you and the road we walked together …
18, the motherland is the sea, and I am a drop of water in the sea; The motherland is the mother, and I am one of her children; The motherland is the earth, and I am a grain of sand on the earth.
19. Every river has a dream: to run to the sea. Both the Yangtze River and the Yellow River run to the sea in different ways. The Yangtze River splits the mountain to clear the way, and the Yellow River twists and turns with different tracks, but they all have a spirit of water. In the process of running water, if it precipitates like sediment, you will never see the sun.
20. Everyone starts with a glass of turbid water, and then someone will help you clarify. When you become clear, don't forget those who have drunk sand.
2 1. The sea is so beautiful and vast. The endless sea, surging waves and white water splashing in the air are all destined to be so harmonious and beautiful. But the sea cannot be without surging waves. The waves raised by the sea are more than several meters high, and the entrained sediment is surging and roaring.
22. Warriors have their own ambitions: forever transforming, starting from scratch; All shameful recessions can only make people regard them as enemies and step into the sand. Guo Xiaochuan
23. Every river has a dream: to run to the sea. Both the Yangtze River and the Yellow River run to the sea in different ways. The Yangtze River splits the mountain to clear the way, and the Yellow River twists and turns with different trajectories. But they all have the spirit of water. In the process of running water, if you precipitate in the sediment, you will never see the sun.
24, reading is taboo, reading is boring, and I am diligent, I do not belong to the book. Living reading brings wisdom. If you don't be a slave to books, sand will be eliminated and only pearls and jade will be taken.
25. I have such a treasure, just like the owner of the twenty seas. Every grain of sand is pearl jade, every drop of seawater is dew in the sky, and every stone is gold in the sky.
26. If love is not based on social beliefs and career interests, it is the love of duckweed, which is easy to go with the wind; Love caused solely by emotional actions. Like a tower built on sand, it is bound to collapse.
27. If love is not based on social beliefs and career interests, it is the love of duckweed, which is easy to go with the wind; Love produced by emotional action alone, like a tower built on sand, is bound to collapse.
28. At the beginning of life, clear water is clear. Just like a stream wandering in the forest, there may be unruly rocks or naughty sediment, but it will still be crystal clear when it is calm. World Water Day, I wish you success.
29, China to implement the policy of reform and opening up at the same time, but also to prevent western spiritual pollution, precipitation.
30. For thousands of years, wine has been bearing the burden of human civilization and civilization in the long river of human history, creating a long-standing wine culture for our ancient nation.
365438+
32, such a thought, turn grief into joy. At least, at least, when the turbid waves are hollowed out and the ship capsizes, they can still feel the pleasure of subverting some existing order.
33. Why take as much as you can and treat it as sediment?
34. If compatibility is the mother culture's acceptance of different cultures, regardless of good or bad, it is impossible to choose good and follow, then what will happen to this compatibility?
Men are everywhere. They have been trapped in the sand for a long time.
36. This delta is formed by the accumulation of sediments in rivers over the years.
37. You can burn the sky, you can destroy the world, you can trample it like sand, but you can't hurt her.
38. In the wave of revolution, it is inevitable that there will be sediment.
39. My brother and I were playing sand fighting downstairs, and my mother found us. My mother scolded me and took me for a walk in the shower room. I'm a new man.
40. This group of people come from all directions, and it is inevitable that they will be impure internally.
4 1. Under the condition of imperfect market economy, it is inevitable that the market is mixed. As long as we strengthen management, we can gradually eliminate fake and shoddy products.
42. Sediment blocked the drainage pipe.
43. Non-toxic natural objects, such as ordinary sediments, are harmless to the environment.
44. I don't know where such an urgent desire comes from. Perhaps, it's just that a person suddenly left the noisy fireworks world and subconsciously settled down; Is an ordinary, full, eager to shed the old shell of small emotions; It is the arrival of sediment after a long time. Fresh old lover
45. According to the characteristics of sediment movement, the methods of trial trough observation, model test and tracer sand test are used to study and predict the siltation after channel excavation.
46. The content of sediment and mixed quality makes people think, which is an opportunity to educate ourselves.
47. Precautionary measures: Before pouring, check the stigma, construction joints, ladder foot, etc. again. , and clean up debris, silt and sawdust.
48. This paper summarizes the scientific research work done by Changjiang Academy of Sciences for the Three Gorges Project in the past 40 years in the fields of rock foundation, material structure, hydraulic engineering, geotechnical engineering, river sediment, blasting vibration and instruments.
49. In recent years, people have paid more and more attention to the change of regional sediment movement characteristics caused by reclamation projects and its influence on ports and waterways, especially the problem of sediment deposition.
50. According to the movement of sediment clouds before and after bottoming, the analysis can be divided into two stages: diffusion settlement and horizontal density current expansion.
5 1. Dredging the small north trunk of the Yellow River is an important strategic measure to control the sediment in the Yellow River, and the arrangement of water intake is one of the key measures to realize self-discharging coarse and fine sediment deposition.
52. It is a new attempt to install rigid concrete core plates on sloping breakwaters to increase wave-absorbing effect and prevent sediment from entering the harbor.
53. Let a large amount of Yellow River sediment spread along the south bank of Laizhou Bay and Bohai Strait through artificial diversion, and the generated land will seal the Bohai Sea and gradually form a freshwater lake.
54. Using the step-by-step method in the spatial concept, two different calculation formats are proposed for the suspended sediment transport equation of two-dimensional profile.
55. Based on the non-slip condition of viscous fluid, the group settlement of cohesionless sediment is studied.
56. Because I have love, I love salmon, the trees outside the window, the giant salamander still living in the mud of the stream and the salamander crawling in the thin strips of dead leaves.
57. They walked along the path of the stream, crossed the alpine meadow and overlooked a crystal clear river full of glacial deposits.
58. On this open beach, quicksand moves very fast at the ebb and flow of the tide, which is said to be like a galloping horse.
59. After the operation of Huanghua Port, the northerly wind caused serious sediment deposition in the outer channel.
60. Two-dimensional flow and sediment mathematical model is used to calculate the influence of embankment alignment change. The model considers the movement of suspended load and bed load sediment, the change of resistance of bridge crossing and yard.
6 1, time is a pair of scissors, time is a pair of scissors, and life is a splendid horse; Cut it piece by piece, and then burn a pile of rags! Time is an iron whip and the tree of life is full of flowers; Shoot them one by one, and then step on the residual red on the ground into the sand. Wang jingzhi
62. After several years of operation, this project has withstood the test of flood. Practice has proved that the application of heterogeneous hard shell overflow dam in the sediment-laden rivers in northwest China is successful and has broad development prospects.
63. The real state is drifting around by the tide of the times under the precipitation.
SHY vane resin sand mixer is mainly used to mix resin sand, water and sediment slurry.
65. The natural flow of river water forms sediment accumulation, which slowly pushes up the water level of the reservoir, resulting in the potential danger that some low-lying areas in Chongqing may be flooded.
66. Geometric similarity, water movement similarity and sediment movement similarity are considered in the model design.
67. When the number of sub-basins is large, the sensitivity of sediment response at the outlet is lower than that of total phosphorus and total nitrogen.
68. In addition, some formulas of sediment settling probability, settling velocity and resuspension flux are verified and compared. Through error analysis, the results show that most of the formulas are applicable in Lingdingyang.
69. The double critical phenomenon of erosion and deposition of water-sediment two-phase flow is of great significance to sediment transport in sediment-laden rivers.
70. The changes of soil nutrients such as organic matter, total nitrogen, alkali-hydrolyzable nitrogen, total phosphorus and available phosphorus in pre-rain samples and sediment samples were studied by artificial simulated rainfall.
7 1, and the suspended load transport module is embedded in the model, and the mathematical model of flow and sediment in Taiping waterway is established.
72. As a result of sediment deposition, two islands, Gezhouba and Xiba, have formed on the river surface, dividing the Yangtze River into three rivers: the Great River, the Second River and the Three Rivers.
73. The feedback effect of the evolution of the Yellow River estuary and the siltation extension of the flow path into the sea on the downstream tailrace channel is calculated and studied by using the one-dimensional and two-dimensional connected sediment mathematical model suitable for the lower reaches of the Yellow River and the Yellow River estuary.
74. Rush from this shady corner to another corner one foot away to stir up the fine sediment on the river bed urgently. poplar
75. Kaifeng, the ancient capital deposited on the Yellow River, was once the best in the world in A.D. 1000.
The sands in your way beg for your song and your movement, dancing water. Are you willing to bear the burden of lameness?
77. According to the sediment data and related erosion factors of "Hulu" warping dam in the middle reaches of the Yellow River 155, an erosion variable weight model was established, and the erosion amount of each map spot was calculated by using this model.
78. The model test results show that the sediment model designed according to this similarity law can make the water flow conditions, sediment movement and density current movement laws in the model, and the position, amount and particle size of riverbed erosion and deposition are basically similar to the prototype.
79. The sediment concentration in the Three Gorges reservoir area is large, and the impact of sediment on the water environment can not be ignored.
80. It provides verification data for studying the turbulent structure of water flow and the mechanism of suspended sediment movement, and deepens the understanding of the turbulent structure of water flow.
8 1, the rapid development of network technology has made global informationization a reality, and negative things have followed.
82. Although it has been paid attention to, the basic understanding of bed surface phenomenon and its relationship with sediment movement has only made little progress.
83. Because of the complexity of the sediment problem to be solved, the grit chamber is expensive and the construction is very difficult, few foreign countries build hydropower stations on this river.
84. The sediment problem of Liujiaxia Hydropower Station is mainly caused by the sediment of Taohe River, which seriously threatens the safe operation of the power station.
85. The movement of water and sediment is caused by the interaction between waves and tidal currents.
86. Through some comparison, it is suggested that the sediment quality standard of NOAA or FDEP of the United States should be adopted to evaluate the sediment quality of China water body temporarily.
87. On this basis, the principles and measures of waterway regulation in Oujiang estuary and the influence of the project on hydrodynamic and sediment environment are studied.
88. There are almost no suspended particles in the riverbed, and bed load sediment plays a major role in riverbed evolution.
89. The sediment characteristics of Liu Hong Hydropower Station on Meigu River are deeply analyzed, and the sand prevention measures and operation modes of the hydropower station are discussed.
90. Sieve analysis is a common method for sediment particle analysis, and the quality of sieve has a great influence on the quality of sediment particle gradation.
9 1, including unnecessary sediment trapped by fine screen.
92. The erosion corrosion rates of copper and copper alloys, such as copper, bronze, brass and white copper, in seawater with different sediment concentrations were studied by using indoor simulated accelerated test equipment.
93. Based on wireless telemetry technology, a remote unattended automatic forecasting system for reservoir sediment volume is designed.
94. Over the years, due to blind reclamation and logging, the surface of vegetation or objects has lost a lot, resulting in soil erosion, river siltation and river elevation.
95. Pipes, headers and valves connected to production wells through separators on the production platform will be affected by sediments contained in oil or gas in oil storage tanks.
96. After the appearance of sweet potato, the hilly area in southern Jimo was reclaimed on a large scale. Sediment caused by sweet potato planting enters Jiaozhou Bay with Baisha River, Licun River and Moshui River, resulting in obvious coastal development.
97. It was formed by blocking the ancient bay with silt weirs in the lower reaches of the Yangtze River and Qiantang River.
98. The heart is a pearl. If it is blocked by material desires and mixed with sediment, it is easy to wash. It is the most difficult to wash, because it is decorated with silver and yellow, like pearls. Therefore, scholars are not suffering from scaling disease, but cleaning disease. Not afraid of obstacles, but afraid of the difficulty of removing obstacles. Hong Yingming
99. This paper mainly introduces the principle of neutron activation analysis of natural sediments and its application in the study of sediment movement on the north shore of Hangzhou Bay. The test area is the north shore of Hangzhou Bay, and 27 mud samples were collected on site.
100, the strong tidal current in Meizhou Bay leads to the import of offshore sediments, but to a certain extent, the terrigenous debris around the bay becomes the main source of sedimentary materials.
10 1. According to the convection-diffusion equation and the sediment mass conservation equation, the sediment movement and seabed deformation are calculated.
102. This technology can remove both coarse-grained bed-load sediment and fine-grained suspended sediment.
103. Based on the analysis of the water and sediment movement in the bar-gate sand area outside Shantou Port and the fixed-bed tidal current model test of the bar-gate sand regulation measures outside Shantou Port, the movable-bed model test under the combined action of waves and tidal current was carried out.
104. Based on the plane two-dimensional mathematical model of water and sediment, the sediment deposition in Chongqing reach before and after the construction of Jinsha River Reservoir was analyzed.
105, the sediment content of four rivers entering the lake in the province is low, and the dominant vegetation in the beach is sedge and willow forest, with large livestock activity and high density of infected snails.
106, Kaifeng, the ancient capital of the Yellow River siltation, was once the best in the world in 1000.
107, density current movement is a very complicated sediment movement.
108, the problem of river sediment and riverbed deformation is directly related to the safety of buildings crossing the river.
109. The settling velocity in still water is an important index to study the law of sediment movement.
1 10. In this paper, the characteristics of sediment movement and sedimentary dynamic mechanism in Jiulong River estuary are studied.
1 1 1. The research results have certain theoretical and applied value for sediment movement in estuaries and coasts.
See: Proceedings of the Second International Symposium on River Sediment.
1 13. The labels of cement slurry and sediment for masonry walls shall comply with the regulations.
1 14. The compiled data include precipitation, evaporation, water level, discharge and sediment.
1 15. When rainwater flows along the ground, it will carry sediments, pebbles and even boulders. Rainwater uses them to bite the sides and bottom of the waterway, gradually loosening more soil.
1 16. The characteristics of flow and sediment movement in the abandoned double-deck culvert of the Yellow River shaft are studied experimentally.
1 17, this method is effective and of great significance to improve the grading quality of screened sediment particles.
1 18, the sediment deposition is serious, reflecting the strong soil erosion in the middle and upper reaches of the Yangtze River.
1 19, vanilla sink, full of blood; Dongshanpei? Tears stained the sediment. In ancient times, there were dutiful sons and loyal ministers who would never forgive your father until death. Is it true that Sun nine niang holds the bones, but he can't let go of resentment? There is something between the spleen and diaphragm, so you can't show it to each other. How unfair! Pu Songling
120. Through numerical calculation, model test and field observation, the sediment deposition in the culvert at the junction of Tongyu River and the main irrigation canal in northern Jiangsu Province is comprehensively analyzed.