覆蓋砂 的英文怎麼說
中文拼音 [fùgěshā]
覆蓋砂
英文
cover sand-
The uranium deposits are obscured by sand, peat and glacial drift.
鈾礦床被砂子,泥炭和冰磧物所覆蓋。The channel is overlain by siltstone and lenticular beds of limestone.
河道上面覆蓋著粉砂巖和石灰巖透晶體。An area covered by sand and gravel deposited at the front of a glacial moraine
冰川前砂礫層冰河冰漬前沉積的沙及礫石覆蓋的區域Figure 16-20 shows the good correlation observed between the magnetic field and the gold values over a muck-covered placer in this area.
圖16-20表明了此地區腐殖土覆蓋下砂積礦床上面的磁場和含金量之間的良好對比關系。The sahara ' s topographical features include shallow basins, large oasis depressions, serirs or regs ( gravel - covered plains ), plateaus, mountains, sand sheets, dunes and sand seas ( ergs )
撒哈拉沙漠地形特點包括:淺的盆地、大的蕭條的綠洲、砂礫性沙漠或礫質沙漠(碎石覆蓋的平原) 、高原、沙席(小沙原) ,沙丘和沙海(砂質沙漠) 。Uranium coats sand grains.
鈾被覆蓋在砂巖顆粒上。Hada mountain embankment dam is located at strong motion earthquake area with 7 degree. it is a sand - fill dam with clay core, stability of the dam under earthquake and the preventive of foundation liquescence is very important for the dam design
哈達山土壩是位於七度地震區,坐落在厚覆蓋層上的粘土心墻砂殼壩,壩體的抗震穩定、基礎的抗震液化是本工程的技術關鍵問題。With regard to its field drilling applications in the geologically loose sandy pebble layers, kl vegetable - gum drilling fluid showed itself with excellent rheological behaviours in its abilities of lubrication, lost circulation, suspension and removal of debris, anti - shear shinning, and high coring rates, which satisfactorily meet the demands of geological boring in the dam foundation of huangjin ping hydroelectrical power plant
通過在黃金坪水電站壩基深厚砂卵石覆蓋層鉆探取芯的現場試驗,證明了kl植物膠沖洗液具有優良的流變特性,潤滑、堵漏、懸浮排除巖屑和抗剪切稀釋能力顯著,可實現高取芯率,能很好的滿足地質鉆探對取芯質量的要求。They are skeletal sand bodies in system of delta and places of most reservoir distribution. the diagenetic processes that govern reservoir properties include the extent of compaction, cementation and dissolution of grains. we recognize that at the early diagenesis phase, mechanical and chemical compaction is very strong, which reduced the original porosity
河口砂壩多位於分流河道或次一級分流河道河口部位,向湖盆中心呈放射狀分佈,因而河口砂壩砂體多構成朵狀砂體,覆蓋面積大、連片好,砂體厚度大,是本區已知油藏主要分佈區。The region and the earth surface across this road are mainly water above ground and run - off and the ground water is mostly made up of groundwater and perched water ; the river bed is more obvious ; the overbank is covered by medium sand and gravel ect
路線所經地帶地面主要為地表水和徑流,地下水主要以潛水和上層滯水為主,河床較明顯,河灘覆蓋中砂、礫石等。地勢低洼地帶地表常年積水,影響路基穩定。Figure 16 - 20 shows the good correlation observed between the magnetic field and the gold values over a muck - covered placer in this area
圖16 - 20表明了此地區腐殖土覆蓋下砂積礦床上面的磁場和含金量之間的良好對比關系。Anomaly over in - situ leachable sandstone type uranium deposit appears rather weak due to the thick cover, therefore, prospecting in this area is extremely difficult
摘要可地浸砂巖型鈾礦床由於其上覆蓋層較厚,地表異常信息十分微弱,找礦難度相當大。The hydrothermal limestone breccia sheet presented over tertiary fluvial, lacustrive sandstone and mud in the wandongshan - wulipai area is a hydrothermal breccia landslide from the chenjiazhuang breccia pipe, and it may be a domain origin which would have obstructed the jinshajiang old channel and made the jinshajiang river to change and to form the famous valley and turns
萬洞山五里排帶呈席狀覆蓋于第三系河湖相的砂礫巖和粘土沉積之上的灰巖質熱水角礫巖為一套從陳家莊角礫巖筒滑覆過來的熱水角礫巖滑體,其可能是造成金沙江古河道淤塞並使古金沙江改道和形成大拐彎的主要原因。The stones are designed to generate as much frictional resistance as possible - like sand scattered on an icy pavement - and so reduce the speed of a skidding car quickly and effectively
砂石用以產生盡可能多的摩擦阻力-類似於砂石被撒在一條被冰覆蓋的路面上-如此一來就有效地緩解了一輛打滑賽車的速度。The results denote that the sand layer can greatly enhance heat transfer in high temperature region because it changes film boiling to liquid film evaporation in the sand layer
在高溫金屬面上覆蓋砂層后,可將高溫面上的膜沸騰轉化為砂粒表面的液膜蒸發,從而大幅度提高表面換熱系數,強化冷卻能力。Experimental study is performed on the mist cooling of heated high temperature surface covered by a sand layer to investigate the effects of both sand size and thickness of sand layer on heat transfer charateristics in order to enhance heat transfer of film boiling region
摘要研究了高溫金屬面上覆蓋砂層后的噴霧冷卻換熱特性,測試了砂粒顆粒大小和砂層厚度對換熱特性的影響。Hebei grinding wheel factory s quality administrative system has passed through iso9002 certification, all the workers and staff members of our factory will forever follow the principle of " producing first - class products, meeting customers demands ", towards the old and new customers from both at home and abroad. we will provide the customers with better - quality, newer and more completed products and more perfect service, so as to meet the requirements of the vast customers
河北砂輪廠質量管理體系已通過iso9002認證,我廠全體員工對國內外新老客戶永遠遵循「生產一流產品,滿足用戶需求」的質量方針,我們將以「高素質的員工隊伍,高精度的工裝設備,一流的原材料,先進的生產工藝,嚴格的檢測手段」為用戶提供質量更好、更新、覆蓋面更全的產品和更完善的服務,以滿足廣大用戶的需求。This paper is based on the program of the innovations of novel vegetable - gum drilling fluids, one of the tenth five - year scientific programs by the state power corporation in 2003. aiming at finding out a novel vegetable - gum drilling fluid suitable for boring and coring in the geologically loose sandy pebble layers, this program can make up for the disadvantages of currently used drilling fluids, which are caused by the serious shortages of some natural shrubs, such as sm
本文是以我校承擔的國家電力公司成都勘測設計研究院負責的國家電力公司「十?五」科技攻關研究項目子題「新型植物膠沖洗液開發研究」為依託,項目研究的主要任務就是研製一種適合復雜地層鉆進,特別是提高深厚砂卵石覆蓋層的取芯的高性能的新型植物膠沖洗液,以解決當前野生植物膠沖洗液資源嚴重不足,而應用領域不斷擴大的矛盾。Known as the devils marbles, these naturally rounded boulders formed over a billion years ago when cooling magma in the earth ' s crust forced up mounds of sandstone - covered granite
這些天然的圓形大石頭被稱為「魔鬼的彈珠」 ,大約在十億年前,地殼中冷卻的巖漿從砂石覆蓋的花崗巖石堆中湧出,形成了這些圓石。The land resources of karst region in chongqing is mainly rock mountain and slope land, with serious soil erosion, converse vagetation succession and low cover rate, lesser water retention and lacking water, where ecosystem is difficult to recover after vegetation being destructed, land coming forth landification and sandification heavy
市境內石灰巖山地土地資源以石山坡地為主,土壤侵蝕嚴重,發生逆向演替,植被逆向演替,覆蓋率低,保水能力差,乾旱缺水。在石灰巖區,植被破壞后,土地大量石化、砂化,生態環境已很難逆轉。分享友人