water cross section 中文意思是什麼

water cross section 解釋
有效橫截面
  • 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;...
  • cross : n 1 十字架;〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教(教義,國家)。3 不幸,苦難;挫折,...
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  1. Third, some methods of evaluating water quality and computing water capacity, which are often used in water quality management, are studied and an example of estimating dong jiang cross - section is given

    針對水質管理的具體要求,探討了多種水質評價方法和水容量的計算方法,並給出東江斷面水質評價的實例分析。
  2. Zircaloy - 4 is generally used as fuel tubes in pressurized water reactors because of it " s low neutron absorption cross - section, excellent corrosion resistance, good strength and ductility

    由於鋯4合金具有低的中子吸收截面,良好的抗腐蝕能力、高強度以及延展性好的特點,被廣泛用於壓水堆作為核燃料棒的包殼材料。
  3. Then river width increased and the intensity of deep point lowing and bed material coarsening decreased and water level lowed continuously. so the bed form changed toward to u type. the bed regulation is realized through sediment silting in different parts in cross section during silting period and the deformation of bed form changed from broad u type channel to narrow and deep v type channel

    研究表明,河道在持續沖刷前期深泓點及水位下降與河床粗化同步發展,河床向v型發展;沖刷後期深泓點下降、河床粗化減弱,河道展寬增大,水位繼續下降,河床向u型發展;在以淤積為主時期的調整,是通過斷面不同部位的淤積來實現的,但都是由u型較大河槽向v型窄深小槽發展。
  4. Who are these americans and why do they take to feng shui like fish to water they represent a good cross - section of the public, ranging from intellectuals, business tycoons, professional people, hollywood celebrities to housewives, retirees and students

    為什麼有些美國人會那麼熱衷於風水呢?這些人來自各行各業,包括知識分子商業鉅子專業人士好萊塢巨星家庭主婦學生和退休人士。
  5. Who are these americans and why do they take to feng shui like fish to water ? they represent a good cross - section of the public, ranging from intellectuals, business tycoons, professional people, hollywood celebrities to housewives, retirees and students

    為什麼有些美國人會那麼熱衷於風水呢?這些人來自各行各業,包括知識分子、商業鉅子、專業人士、好萊塢巨星、家庭主婦、學生和退休人士。
  6. The results indicated that montmorillonite was intercalated by polyacrylic acid molecular. section two : preparation of polyacrylic acid / acrylamide / montmorillonite ( paa / am / mmt ) water absorbent hybrid by aqueous solution intercalated polymerization high water absorbent polyacrylate copolymer was prepared by aqueous solution intercalated copolymerization. in this reaction, the monomers were the partially neutralized acrylic acid ( aa ) and acryl amide ( am ) ; the cross - linking agent was diacryl ethylene ( egda )

    第二節溶液插層共聚制備聚丙烯酸鹽/丙烯酰胺/膨潤土雜化吸水材料及其性能研究首次利用溶液插層共聚制備了二丙烯酰基乙二醇酯( egda )交聯的聚丙烯酸鹽/丙烯酰胺/膨潤土( paa / am / mmt )雜化吸水材料。
  7. Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col

    淮河入海水道河口段水位值橫向分佈相差無幾,而流速的橫向變化較大,泓灘平均流速差最大可達一倍以上,在現有的分流口設計條件下,若按設計的南北汊分流比,南分流口有壅水現象發生,如果南汊分流增大到800m ~ 3 / s左右時,則水流較為通暢。
  8. ( 5 ) the maximum water level risen by the enclose tideland cultivation around the reservoir is 0. 66m, the responding quality is 2000mvs, which heavily effect the environment around the reservoir. the reservoir " s water level is risen because cross section and flood canal become narrow, which caused by building dam, this makes groundwater unsmooth, drainage, even flow from a lower to a higher space and soil salinized

    66m ,且為2000m 』兒的常年洪水,對庫區周邊環境的影響較大,因打壩築堤縮小過水斷面和行洪通道造成水庫水位進一步抬升,致使庫區周邊灌區地下水排水不暢,乃至倒灌,型成士地鹽堿化。
  9. Abstract : by both the external combination of deck coefficient and designed water - line coefficient ? and the in - ternal combination of deck transformation and cross - section area curve transformation ? a new ship line is generated on the condition that cross - section area is the same as the basic ship and designed water line satisfies the need. this method needs not look for any transformation function to finish the change of cross - section area curve. it is a profitable development to the traditional lackenby method

    文摘:本文通過甲板面面積系數和設計水線面面積系數的外層疊代、甲板面變換和橫剖面面積曲線變換的自身內層疊代,在保持橫剖面面積曲線不變的條件下,獲得滿足設計水線面系數變化要求的新船型,而不必尋找橫剖面線的變換函數來實現設計水線面的變換,本方法是對傳統的母型船變換的一個有益補充。
  10. Abstract : this article analyses and compares the methods to designing steel areas for perpendichlar cross section of single steel rectangle cross section in water conservancy structure and in industry and civil structure, a new method to fast designing is presented

    文摘:通過水工結構與工民建結構單筋矩形截面正截面配筋設計的分析與比較,提出一種水工結構單筋矩形截面正截面配筋的快速設計方法
  11. Zirconium alloys are employed extensively in light water cooled reactors ( lwr ) as the cladding materials of fuel elements and other structural materials because of the low capture cross - section for thermal neutrons, good resistance to water - side corrosion at elevated temperature, adequate mechanical properties and high thermal conductivity

    由於鋯的熱中子吸收截面小,並具有優異的耐高溫水腐蝕性能、良好的綜合力學性能和理想的熱導率,因此,鋯合金被用作核電站水冷動力堆核燃料元件的包殼材料和堆芯的其它結構材料。
  12. 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。
  13. Study on the hot water processing for big cross section parts of medium carbon steel

    大橫截面中碳鋼工件熱水處理新工藝研究
  14. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短的施工方法,目前,砼防滲墻的設計還是以傳統的設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作性能有相似性,將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中;清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數,利用非線性e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比塑性混凝土特性的影響,並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。
  15. It was also investigated and analysed on the styles of cross section in road green space, the rate of green space, the kind of green space, the quantity of plant spaces in green space, the format of planting. on the base of these, the planning designs of road green space in the blocks of heze city were also studied in combination with the practical situation which the city of heze were building to be a plain - plantation city with the flowers and water. the main results were as follows : 1. there were some problems about road green space in blocks of heze city, which were detected and researched. ( 1 ) the rate of road green space was low and the styles of cross sectionin road green space were simple

    本研究以菏澤城區道路綠地及街頭綠地為研究對象,對其綠地斷面形式、綠地率、綠地類型、綠地植物種類、數量、種植形式等現狀進行了全面的調查和分析,在此基礎上,結合菏澤近年創建以「花城水邑」為依託的平原森林城市建設的實際,對菏澤城區道路綠地規劃設計進行了研究,主要結果如下: 1 .菏澤城區道路綠地存在以下問題: ( 1 )道路綠地率低,綠地斷面布置形式單一,中心島面積偏小; ( 2 )植物種類少,景觀效果差; ( 3 )植物配置形式單一,地方特徵不突出; ( 4 )某些植物選擇不當,如遮陰功能差,影響交通安全等; ( 5 )行道樹與架空線存在矛盾,影響樹木生長,景觀效果差; 2 .根據荷澤實際情況進行了城區道路綠地規劃設計研究: ( 1 )提出了菏澤城區道路綠地規劃設計的依據、原則、總體布局、布局形式。
  16. The partly gas stratum produce the water in the past logging interpretation method ca n ' t distinguish them easily. according to the logging and brothel logging shows and testing results, this thesis will utilize the cross - plot analysis technology to look for the qualification and quantity index of the containing water and gas by mutual comparison, triumphantly discern the containing gas and water quality in the store stratum ; using b - p network can recognize the reservoir ; the utilize the fuzzy cluster analysis technology to cluster analyze separately the water well section and water quality well in the store stratum, settle the type datum and central type distinctly and analyze fluidity ' s material quality and diversity in all models and others store stratum, triumphantly distinguish the diversity of the containing water and gas

    本次論文以鉆井錄井顯示和測試結果為依據,利用交會圖分析技術,相互對比尋找出區分含水與含氣的定性與定量指標,成功地對儲層含氣、水性質進行了識別;利用bp網路分析識別儲層類型,利用模糊聚類分析技術,將測試產水井段與產水井段數據分別作聚類分析,確定出各自的類數和類中心,建立起聚類模型,將所建模型對其它儲層段進行含流體性質及差異分析,成功地對含氣性差異進行了判別。
  17. Water cross section

    有效橫截面
  18. Some methods of evaluation water quality are studied, which are often used in water quality management. an example of estimating dongjiang cross - section is brought forward, which is using the isogradient obscure clustering method

    採用幾種常用的水質評價方法進行效果對比,在對灰色聚類方法進行詳細分析的基礎上,應用等斜率灰色聚類決策方法,對東江惠州段部分斷面的水質數據進行評價計算。
  19. The researches show that the vertical cracks on the surfaces paralleled to water flow of thin - walled flexible piers may be induced by the large shear stresses at the faceoffs in the cross - section near the bearing and the variable cross - section of the pier

    研究表明,墩身在平行於水流方向的兩側面上的豎向裂縫,可能是由於墩身在底部和中間變截面處的倒角附近區域產生較大剪應力而引起的。
  20. It was shown that in most cases p. euphratica appeared to have an aggregative distribution at different distances away from the river but it tended to be diffusive, appearing to have an random distribution ; in the two cross sections, p. euphratica tended to increase its distribution pattern scale and aggregation intensity as the distances increased and the distribution pattern scale of p. euphratica in kaerdayi cross - section was lower than that in yingsu cross - section at the same distances away from the river, which was because the cross sections had different underground water conditions and topographical conditions

    結果表明:胡楊在不同離河距離大都表現為聚集分佈,在離河最遠的地方有擴散趨勢,呈隨機分佈;不同離河距離的兩斷面均表現出隨離河距離加大胡楊格局規模加大、聚集強度加強的趨勢,同一離河距離喀爾達依斷面比英蘇斷面胡楊格局規模小,這主要是地下水條件和當地地形不同所致。
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