low water rock 中文意思是什麼

low water rock 解釋
低潮礁
  • low : adj 1 低的;淺的,矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • rock : n 1 巖,巖石,磐石,巖壁;卵石;〈常 pl 〉〈美口〉石子兒;暗礁,巖礁。2 〈the R 〉直布羅陀 (Gibr...
  1. ( 7 ) rainfalls can " deposit " the co2 in air, making it to take part in the process of karst, to dissolve and corrade carbonate rock. co2 concentration in soil become lower after heavy rainfall and become higher after general rainfall. ( 8 ) the value of chemical characteristic of soil water in the high elevation area is lower than that in the low elevation area

    ( 7 )降雨可以對coz產生影響, 「沉澱」大氣中的co : ,使其參與到巖溶作用中,溶蝕碳酸鹽巖;降雨對土壤空氣中coz的影響與雨強、雨量有關,降雨量、雨強較大時,土壤空氣中的c02產生受到抑制,降雨量和雨強較小時,土壤空氣中的coz濃度升高。
  2. The results show that : 1 ) though the water environment of nanyisan is more muddy than others, algal can still grow ; 2 ) the composition and rock type of the algal limestone are complex, the main rock types include lettuce - like stromatolites, algal reef, digitate stromatolies, wave - like stromatolites and so on ; 3 ) the deposits of algal limestones were formed in low - energy peritidal to subtidal high - energy environment of lakeshore slopes, sliding under the action of gravity and some other factors and become slump mixosedimentite layers ; 4 ) the physical property of algal limestones layers is better than others ; 5 ) the genetic development of the sediment decides that the single deposit is small, distributive and thin - layed

    結果表明,南翼山藻灰巖沉積水體環境相對渾濁,但藻類仍能生長;該區藻灰巖巖石組成及類型復雜,主要的藻灰巖巖石類型有包心菜狀疊層石、藻礁、指狀疊層石、水平波狀疊層石等;其主要為濱岸斜坡上低能潮上環境至高能潮下環境形成的沉積體,在重力等因素的作用下產生滑動或滑塌形成的微生物成因的滑塌混積巖;巖層物性好於其它巖層;藻灰巖層的成因決定了該地區單個沉積體規模小、分散、層薄。
  3. Among of them, carbonate rock is the primary type of them, it is the product of stable platform facies of marine. we study the geochemical characteristic of carbonate rock of lower palaeozoic burial hills in the regions of zhuangxi and chengdao and find that the calcite fillings in cave or vein have high value of 87sr / 86sr, low value of 13c and 18o and high mn content among of different structural components. so it has been exposed to be dissolved by meteoric water on supcrgene diagenetic stage

    通過對樁西、埕島地區下古生界碳酸鹽巖的地球化學特徵研究,表明在巖石的各種結構組分中,洞或脈中的方解石充填物具有顯著較高的~ ( 87 ) sr ~ ( 86 ) sr比值,較低的~ ( 13 ) c 、 ~ ( 18 ) o和較高的mn含量,其所經歷的重要巖溶作用是大氣淡水成巖作用,發生的時間為表生成巖階段。
  4. The worked surface is approximately 2m above the highest water mark, which is a rather low position compared to similar rock carvings

    石刻離開最高水位約二米,就同類型石刻的位置而言,這是一個頗低的位置。
  5. 5. platform trough and basin with deep water and low energy are the favorable source rock zones, reef banks and reef cores are the profitable reservoir. and the strata which is dolomitized is the main gas yielding parts

    5深水低能沉積的臺溝、盆地相是有利的生油巖相帶,淺水高能的礁灘、礁核相是有利的儲層,產氣段主要是生物礁內的白雲巖段。
  6. In the light of the low - lying pile cap foundations designed for main piers no. 2 and no. 3 of tianluo bridge on wenzhou - fuzhou railway. this paper describes the ways to resolve the construction problems of the foundations in deep water in sea and at seabed that is steep and without overburden, using the construction techniques of underwater rock blasting, steel cofferdam floating, positioning, bottom sealing and manual pile digging

    摘要針對溫福鐵路田螺大橋2號、 3號主墩設計上採用低樁承臺基礎情況,介紹運用水下巖石爆破,浮運鋼圍堰就位、封底、人工挖孔樁等施工技術解決海上深水、河床陡峭且無覆蓋層的基礎施工難題。
  7. Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上
  8. The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上
  9. The grouting liquid with this stability agent has many advantages such as the good volume stability, low dialysis ratio, high strength of cement rock less dry - shrink and convenient construction etc. when the water - cement ratio is 0. 6 or 0. 8, the 28d strength of cement - rock is 210 % and 179 % of the bentonite cement - rock under standard maintain

    該穩定劑配製的水泥漿具有體積穩定性好、不析水、結石強度高、不幹縮、施工方便等優點。如水灰比0 . 6 、 0 . 8時,標準養護條件下28d強度分別較膨潤土水泥漿結石提高100和80以上, 20水中養護28d強度則提高30左右。
  10. 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。
  11. This paper states on the problems in water preventing and draining of highway tunnel of loess in gansu province and near area. firstly, it discusses the method to analyze and calculate the affect of groundwater characteristic, estiniate of tunnel water quantity and the varying of water contained in loess to the stability of surrounding rock mass according to the principle of groundwater leaking, hydraulic penetrating principle, groundwater dynamic law, groundwater flowing modulus low and so on

    本文針對甘肅省內外部分黃土公路隧道防排水方面存在的問題,首先根據黃土層地下水運規律,按水力學滲流原理並應用地下水動力學法和地下水徑流模數法等方法,探討了黃土層地下水情特性、隧道滲透涌水量估算和水對圍巖穩定性影響的分析計算方法。
  12. I was pretty far down on the low, sandy spit that encloses the anchorage to the east, and is joined at half - water to skeleton island ; and now, as i rose to my feet, i saw, some distance further down the spit, and rising from among low bushes, an isolated rock, pretty high, and peculiarly white in colour

    眼下我所處的地方是向東環抱錨地伸入海中相當遠的一個沙尖嘴,它半沒人水中與骷髏島相連。現在,當我起身的時候,我看到在沙尖嘴下面更遠的地方矗立著一堵孤零零的巖壁,它位於低矮的灌木叢中,相當高,顏色特別自。
  13. Rock - fill dam is the one chief type of soil - rock dam, there are much virtue of safety function, adaptability used the local material, be benefit to mechanical building, be short in building time and low in cost, being simple in the building during closure and diversion, etc. it suit the condition of our nation and the environment where the water conservancy works and hydroelectric power plant located, we accumulate the ample practical experience and a series of achievement in scientific research and become a model of having ample competition in the construction and development of piled rock clam

    堆石壩是土石壩的主要壩型之一,它具有適應性強,就地取材,便於機械化施工,工期短,造價較低等優點,在水利樞紐設計中被廣泛應用,而且已經積累了豐富的實踐經驗和成套的科研試驗成果,在水利樞紐的壩型選擇中具有很強的競爭力。就堆石壩而言,根據築壩方式和築壩材料的不同,也有多種壩型。
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