sand movement 中文意思是什麼

sand movement 解釋
地層砂運移
  • sand : n 1 沙。2 〈 pl 〉 沙灘,沙洲,沙地,沙漠。3 〈 pl 〉 沙粒;(計時用的沙漏中的)細沙。4 光陰,時...
  • movement : n 1 運動;活動;進退 行動 動靜;動搖;動作;舉動;〈pl 〉姿勢;態度。2 移動 遷移。3 (市面的)活...
  1. The weser estuary in germany, with broad beaches, lots of sand bars and many tributaries, is characterized with a great quantity of sediment transport due to tidal current ' s movement in the fluvial bed of fine sediment

    摘要德國威悉河口灘地寬廣,有無數的沙洲和許多大的分流,潮流在主要為細沙的沖積河床中運動,泥沙輸移量極大。
  2. The coupled model of wind velocity - sand movement - electric field and its effects on the windblown sand cloud

    電多場耦合模型及其對風沙流結構的影響
  3. Two - fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water

    摘要本文採用雙流體大渦紊流模型對靜水中泥沙雲團下落過程進行了研究。
  4. Based on the distributions, patterns and movement characteristics of sea bottom sand waves in china sea shelf area, the effects of sand waves on submarine cable burial operation are analyzed

    摘要基於中國海大陸架區海底沙波的分佈、形態和移動特徵,分析了沙波對海纜施工的埋設張力和埋設深度的影響。
  5. The nature of sand movement depends on the particle size, shape, and specific gravity in respect to the associated velocity and turbulence.

    泥沙運動的性質取決于顆粒的大小、形狀和比重並與流速和紊動有關。
  6. Our research takes ptv technology to obtain data in the experimental set. the movement data of sand are aimed near the sand bed surface. out research demarcate the error of ptv method and provide a new way to research the dense wind - blown - sand flow

    本文使用ptv測量系統在實驗裝置中獲得了近沙面的沙粒運動信息,解決了一系列測量方法和圖像處理中的實際問題,標定了實驗中ptv技術測量數據的誤差。
  7. If increasing drawing interval, the movement and flow range of top coal will enlarge, and the velocity gradient on flow cross - section will diminish, so that it is good for controlling the flow rate of thin sand among loose top coal

    研究表明,加大放煤步距,頂煤運移流動的范圍變大,流動斷面內速度梯度變小,有利於控制細砂的下竄速度。
  8. Coast hydrodynamic factors involve wind, wave, water current, tide and corresponding sand movement etc. coast hydrodynamic environmental in island are great complicated

    海岸動力因素包括影響海岸工程的風、浪、流、潮汐等諸因素和相應的泥沙運動。
  9. As the developing of modern industry in coastal zone, the coastal environment is deteriorated badly. in estuaries and coastal seas, the tidal flow is a basic hydrodynamic factor, which affects other substance movement remarkably, such as sand, salinity and so on

    在這些區域,潮流是主要水動力條件之一,是這些區域最基本的物質運動,其他物質諸如泥沙、鹽分、各種污染物質及熱量的輸運過程均伴隨著潮流而運動。
  10. Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall

    首先從理論上推導出在典型湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程,然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程,再將兩種不同條件下的的運動方程進行比較,指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義,即正是由於擬序猝發作用的存在,才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。
  11. Soil capillary water upward movement from sand layered soil column

    夾砂層土體構型毛管水上升的實驗研究
  12. Third according to the practice, over 300 g / m2 of the staple nonwoven geotechnical fabric is used in the bank project of the large rivers, its tensile strength is 600 n / 5cm. forth the filtration under the traffic load, normally, the traffic load is repeated load and fast movement. in this case, thick filtration is applied, such as sand and / or thick fabric, of which weight is over 700 g / m2

    研究結果表明:對d _ ( 85 ) 0 . 074mm的土料,不宜採用土工織物作濾層;對級配極不均勻的土壤(不均勻系數cu 2或cu 6 ) ,在滲流作用下,很容易發生管涌,對土工織物的選用要慎重;一般大江大河的護坡工程至少應採用300g m ~ 2以上的短纖無紡土工布,其抗拉強度為600n 5cm左右。
  13. This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity

    該控制系統採用高可靠性的plc可編程序控制器進行實時控制,傳感器所採集的入口舊砂溫度雙盤抽風口溫度雙盤內砂溫主電機電流及鼓風機電流等模擬量信號直接輸入plc的模擬量採集模塊,同時加砂設備運轉信號及加砂設備物料移動檢測傳感器發出的開關量信號輸入plc的開關量模塊,由cpu獲取經運算而得到加水計算依據, cpu運算結果直接由plc的開關量輸出控制粗中細加水電磁閥的開啟組合,而得到不同的加水量。
  14. In this paper, in order to solve the difficulties in the rain pipe construction in jianyu road of yulin city, the pipe - pushing technique for the hand - type tool pipe in the sand soil layer has been researched by experiments in which many practice problems were considered such as the movement and deformation of sand soil, the difficulties for the pipe to enter the scheduled work soil, the collapse of excavation surface, the departure of pipe center and the difficulties to correct this departure. by both the calculations for the stabilities of back - supporting soil body and excavation surface and the theoretical analysis on the reasons for the departure ' s producing, some construction techniques were introduced and adopted in this paper which include not only the change and reinforcement to both the back - supporting soil body and the scheduled work soil body but also the settings of pipe cap, lattice and correcting system on the head of the tool pipe

    本文針對榆林市建榆路雨水管道中遇到的技術難題,進行手掘式工具管砂土層頂管法施工技術試驗研究,在研究中考慮砂土層存在的后靠土體移位、變形,工具管難以進入出洞土體,挖掘面易坍塌、管道中心易偏差及難糾偏等問題,通過對后靠土體和挖掘面的穩定計算及偏差產生原因的理論分析,提出並採用后靠土體換填加固,出洞土體換填加固,以及在工具管頭部設置管帽、格柵、糾偏系統等技術措施
  15. This model of valve overcomes such defects with the motor valve, piston - type electromagnetic valve as the post - wear defective closure due to the mechanical movement, the soft membrane full of elasticity, the balance hole can not close water because the foreign matters and mud sand accumulate and block it up etc., the highly effective use of the unique circuit greatly raises the reliability of the switch, extensively used for ic card watermeter, infrared induced sanitary utensils, etc

    Fck - 118 :進水口出水口為1寸25內螺紋該型閥克服了如電機閥活塞式電磁閥機械運動磨損后的關閉不良。軟性膜片富有彈性,平衡小孔不會因雜質與泥沙的淤積堵塞使其關不住水,獨特線圈磁路的高效利用大大提高了閥開關可靠性,廣泛用於ic卡水表紅外線感應潔具等自動控水系統。
  16. 9. the direction of the sand body distributing, the sedimentary environment, the physical properties of the sand body and the incised action that the fault bring to sand body lying its two sides, are the main factors that effect on the rule of the movement of the oil and water lie in same substrata

    儲集砂體展布方向、所處的沉積環境、物性以及斷層對兩側砂體的切割作用是影響同一小層內油水運動規律的主要因素。 s _ 1砂層組比其它砂層組剩餘油相對富集。
  17. This machine fits for cooling clay and used sand, enough movement can make the temperature, humidity and components of the used sand be distributed evenly, premixing can be finished while cooling

    S83系列雙盤攪拌冷卻機該機主要適用於粘土舊砂的冷卻,充分的運動使舊砂的溫度濕度成分均勻,在冷卻的同時完成預混。
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