水沖現象 的英文怎麼說
中文拼音 [shuǐchōngxiànxiàng]
水沖現象
英文
water hammer-
The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation
高壓旋噴注漿技術具有適用范圍、適用地層較廣，施工方便，耐久性好，材料廣闊等特點；其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基，從而提高地基承載力，減少沉降變形。Scour is the removal of material of any size by flowing water.
沖刷是指流動中的水將任何粒徑的土壤沖走的現象。But most prior discoveries of mammoth bones have involved fragments washed down during the prehistoric floods that repeatedly swept across the columbia basin at the end of the ice age
但是，考古學家表示，很多此前發現的猛獁象骨骼化石中含有史前洪水沖擊下來的碎片。冰河時代末期的哥倫比亞盆地曾屢次受到史前大洪水的沖擊。In the summarize of plasma propulsion and discharging in water and exploding wires phenomenon, this paper combines technology in three fields hereinbefore. an experimental pulse plasma propeller model has been designed
本文在對等離子體推進、液中放電和爆炸絲現象綜述的基礎上，將這三個領域的技術結合在一起，研製出實驗用水中脈沖等離子體推進模型。Ghg - electrical grade activated silica powder is produced by way of mingling on the basis of electrical grade silica powder. it has activt effect on surface & make silica powder mingled with resin, raise cohesive force between resin & silica powder, raise the water - resestance on the sunface and the compressive strength of pour object, reduce sediment, gradation & split, increase filler of silica powder, and replaced inpoted products on the producing line of imported dry type transfomer & high tension mutual induc tance equiment, it has been the best pouring insulate materual in electrical trade
電工級活性硅微粉是在電工級硅微粉的基礎上進行偶聯化處理而製成，具有表面活性作用，能使用硅微粉與樹脂發生交聯，提高樹脂與硅微粉的粘結力和界面增水性，提高澆注體抗沖擊強度，減少沉澱、分層、開裂現象，增加硅微粉的填充量，在引進的乾式變壓器、高壓互感器生產線上已成功地代替了進口產品，成為電工行業理想的環氧澆注絕緣材料。According to the situations of flood hazards to jingbian - yanshuiguang pipeline, one of the pipeline section of west - to - east gas transmission pipeline, this paper analyzes the cause of flood hazards to this pipeline section and puts forward relative solutions
摘要結合西氣東輸管道靖邊延水關管段汛期水毀的現場實際，分析了汛期間雨水沖溝、落水洞和局部塌陷等現象出現的原因，闡明了由此引起的對管道安全的影響和危害，並提出了相應的預防和防治措施。Discussions of blasting shock waves cutoff in shallow - layer water
淺層水中爆炸沖擊波切斷現象淺探The condition of profiles in outer station did n ' t change much in spring cruise, but showed more variable in near - shore stations when observed in different time. fluorescent characteristic per cell can be obtained by flowcytometric analysis. based on fluorescence data of synechococcus of all stations, two distinctly pigment - containing cell types coexisting can be found in some stations of east china sea, which located in all depth of p3, mixlayer of e7, 40 - meter depth of e6 of autumn cruise and in mixlayer of p2 of spring cruise
通過對流式細胞計測量的細胞熒光結果來看，在秋季的p3 、 e7整個混合層、 e6站40米層，春季的p2站均發現有兩群不同色素含量的聚球藻（ high一pe和low一pe ）共存現象，極有可能分別屬于不同品系，春季共存站位位置比秋季時更靠外，表明在秋季p3 、 e7等站位的共存是季節性現象，可能與此季節黑潮次表層水沿陸架坡涌升入侵到中陸架有關，水團的運動及混合使從外海遷移而來的high一pe與近岸的low一pe得以共存，在春季，由於長江沖淡水的日漸強盛，在中陸架區的共存區域有所外移。In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material
本文首先根據散拋石壩損毀情況的現場調查資料，結合有關專家多年的整治經驗，總結出壩體的損毀原因及影響因素；對現有塊體穩定性的研究成果進行回顧和總結，並針對散拋石壩的直接損毀現象，結合山區河流的水流、地形特點，利用塊體粒徑與起動流速的關系，提出塊體穩定重量與起動流速高次方成正比的概念，流速50的增長可能導致塊體穩定重量接近40倍的變化；通過二維變坡水槽試驗，研究了壩體穩定的主要影響因素，包括塊體重量、壩頂水深、斷面尺寸、塊體材料（塊石和卵石兩種） 、護底等，結果表明對于山區河流，試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微；最後，根據西部地區的自然、經濟、交通等條件，提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施，以期取得良好的工程效果。Both tidal mixing and wind stirring can weaken the vertical stratification induced by freshwater buoyancy, but different mechanisms dominate such a process : tidal mixing is accomplished through the upward dissipation of turbulent kinetic energy whereas wind stirring is in the opposite direction
盡管潮汐混合和風的攪動作用均能削弱河流沖淡水浮力引起的垂直層化現象，但是其控制機制有所不同：潮汐混合是通過湍流動能自下向上的耗散來完成的，風攪動的方向恰好相反。Since china open and reform, chinese material culture life had enormous increase, and at the same time, the phenomenon of the continued enlarged gap of income to was happened. various kinds of benefits contradictions were obvious day by day, common prosperity theory was facing an acid test
改革開放以來，我國人民的物質文化生活水平有了明顯的提高，同時也出現了居民收入差距持續擴大的現象，各種利益矛盾和沖突日漸凸顯，共同富裕的理論面臨嚴峻的考驗。To solve the problem of sand loss and harden, it is suggested that the diameter of media and the intension of back wash should be enlarged properly, and the time of back wash should be prolonged
但為解決濾料黑化以後在反沖洗中出現跑砂及濾料結塊的現象，建議水廠適當加大濾料粒徑和反沖洗強度，延長反沖洗時間。The incoming water brings silt with it into the pond. this silt settles onto the pond floor and needs to be removed or else the pond will dry up. as a result, the reserve s dredger is now busy clearing the silt from the channels around the perimeter of
沿岸濕地會被淤泥堵塞，逐漸變為乾地，這是自然現象，米埔亦難以避免：當基圍換水時，淤泥隨流入的水沖進塘內，並積聚塘底，若不清理，水塘終會乾涸。Eye : irrigate with flowing water for 15 minutes. if irritation persists, consult a physician
眼睛：用流動水沖洗15分鐘，如過敏現象持續發生，請求助於醫生。In the thesis, the author choose the traditional settlement in shaoxing as the study object which is one of the " most powerful countries " in " lively area " - - yiangzi river delta. basing on the practices and the dynamic studying methods as investigation, analization, synthesis, the author trying find the realistic " pattern " of the traditional settlement renewal from the conflict between the reality and tradition
本論文選擇了處于經濟「熱地」長江三角洲的全國經濟「百強縣」之一的紹興傳統水街民居集落作為研究對象，從現實的矛盾和沖突出發，通過直接參與紹興傳統水街民居的建設實踐，並結合調研、分析、綜合提高等動態研究方法，試圖探索對傳統水街民居集落切實可行的保護與更新「模式」 。Numerical investigation on blast wave propagation and dynamic response of an explosion vessel
關于圓柱殼在水下爆炸沖擊波作用下二次加載現象的數值模擬研究Combining physical experiments and theoretical analysis, this literature has performed thorough research on gas properties of delivery pipeline system, pressure current rush to interception air - mass in pressure pipeline, water hammer with gas that happens with gas releasing and liquid column separating
本論文通過物理試驗與理論分析對輸水管道系統中的氣體特性、壓力水流沖擊截留氣團和包含氣體釋放和液柱分離現象的含氣水錘進行了深入研究。Active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors. usually the target - receiver range can be got by the propagating time of a signal pulse. if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation
主動水聲跟蹤定位系統通過測量脈沖信號的傳播時延可以測得目標相對接收機的距離，當此傳播時延大於系統同步周期時，時延測量就會呈現不確定性，可能相差若干個重復周期，導致定位解多值，稱之距離模糊現象。First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears
主要針對中、大容量供水系統中，由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點，難以利用有效的解析式數學模型進行閉環控制，以及多臺水泵並聯運行時，水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題，提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。分享友人