水中方體試驗 的英文怎麼說

中文拼音 [shuǐzhōngfāngshìyàn]
水中方體試驗 英文
cube in water test
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 體構詞成分。
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 水中 : aquatic; water水中爆炸 water shooting; 水中浮游生物 hydroplankton; 水中氣泡 underwater bubble; 水...
  • 方體 : box
  • 試驗 : trial; experiment; test
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內測量分析相結合的法,以不同土地利用式巖溶土壤肥力為重點,對不同土地利用式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程工模型,系統分析了浮箱門在靜和動的穩定性及其影響因素,指出靜穩性和動穩性的不同特點;測定了浮箱門動運行時的受力情況,給出並分析了定位過程轉動力的變化過程曲線;根據浮箱門啟閉速度與門和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩定上浮的原因,並給出解決案。
  3. Standard test method for acetone, p - chlorobenzotrifluoride, methyl acetate or t - butyl acetate content of solventborne and waterborne paints, coatings, resins, and raw materials by direct injection into a gas chromatograph

    通過直接注入一氣色譜儀測定含溶劑和含塗料塗層樹脂和原材料丙酮及甲基和丁基醋酸鹽含量的標準
  4. Test method for water in liquid naval stores

    松脂含量的
  5. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了泥基多孔材料孔隙分析常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合模型和孔系統的物理模型,並模擬了該模型下由各單並聯形成的復合的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與泥含量等參數,實現混凝土理論強度的計算;第五章對第四章模型出現的模型參數進行了相應的數據對比分析,根據回歸分析的法得到了反映基強度特徵的k值,並從理論上探討了泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響,檢模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  6. Test method for water separability of petroleum oils and synthetic fluids

    石油和合成流的可分離性的
  7. The experimental data are in good agreement with the calculated results of the model by analysis of the data of the laser pulse of different energy induced the laser plasma shock front by acoustics means. in addition, the calculated results of the model are in good agreement with the experimental data by optics means

    同時設計應用聲學法對不同能量的脈沖激光作用下產生的激光等離子沖擊波波前傳播過程進行測及數據分析,對光學陰影法探測的激光等離子沖擊波近場波前傳播數據進行詳細分析,結果表明新模型計算結果與實測量值一致。
  8. The fem analysis for the three structures of sling screw - thread - based, namely the circle, rectangle and that with strengthen plate, and the tensile test for sling screw - thread - based in torpedo body show, that the bonding with strengthen frp plate between load - bearing metal parts and frp hull with hatch can reduce the stress concentration and significantly decline the local stress in frp hull with hatch. this structure can also be used in the similar produces. ( 3 ) the effects of parameters for bonding process on the adhesive strength and leakproof are discussed, such as the bonding interface reduce, bonding surface treatment, match of adhesive surface, protect for adhesive seam and so on

    本文通過某型號雷吊耳螺紋座結構的三種案,即圓形昂耳螺紋座、長形吊耳螺紋座、具有增強板的吊耳螺紋座的有限元分析及雷吊耳螺紋座拉力結果證明:金屬承力件與開口玻璃鋼殼粘接採用玻璃鋼增強板補強,緩和了應力集,使開口殼局部應力明顯降低,類似的下兵器用金屬承力件與開口復合材料殼膠接均可採用此種結構形式。
  9. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過研究與理論分析對旋流式豎井泄洪洞應用於高頭、大泄流量情況時存在的一些力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋力計算法,其計算結果與實測值吻合良好;三、利用與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總認識;四、對豎井下部消力井的合理井深進行了優化研究,發現消力井合理深度為0 . 9d左右;五、通過研究,歸納出豎井流總摻氣量估算法,為導流洞排氣案的設計提供了參考依據;六、在高頭、大流量條件下,豎井空腔段下部流速很高,盡管流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  10. Standard test method for elements in water by direct - current argon plasma atomic emission spectroscopy

    用直流氬等離子原子發射光譜法測定元素的標準
  11. Standard test method for determining elements in waste streams by inductively coupled plasma - atomic emission spectroscopy

    感應耦合等離子原子發射光譜法測定污元素的標準
  12. This paper analyzes the driving mechanism and motion realization of underwater gliders, presents the simulation result of its typical motion modes, then describes the overall arrangement of an underwater glider test model being designed, and finally discusses the design and selection of the glider ' s buoyancy adjusting mechanism, pitch adjusting mechanism and roll adjusting mechanism in detail

    分析了下滑翔機器人的驅動機理和運動實現,給出了下滑翔機器人典型運動的模擬結果,並以正在設計的一下滑翔機樣機為研究對象,描述了樣機的整結構布局,詳細研究了浮力調節機構、俯仰調節機構和橫滾調節機構的實現法,並就樣機各執行機構的設計實現進行了論述。
  13. Standard test method for strength imparted by asbestos to a cementitious matrix

    石棉強度的標準
  14. 2 - e4 - a and 82 - 6 are hybridized during their log growing time, and the hybrid - hybridomas are cloned for 3 times and produce 6 hybrid - hybridoma cells. the chromatosome of hybrid - hybridoma 3 - hu and hybridoma 2 - e4 - a and s2 - b are counted, and the antibody of ascites fluid or culture supernatant of 3 - hn is prepared. the positive clones are detected by three methods at the same time : rbc agglutination for monospecific anti - human rbc type a antibody, indirect elisa for anti - p24 antibody, and rbc solid - phase adherence for bispecific antibody

    選其一株3 - h _ ( 11 )做雜交-雜交瘤細胞染色計數,同時計數兩母株2 - e _ 4 - a和s _ 2 - b的染色數:制備腹型和上清型抗,用三種法同時檢測其的雙特異性抗、單特異性抗人紅細胞抗和抗p24抗,即紅細胞固相吸附法測雙特異文摘要性抗,紅細胞凝集測單特異性抗人a型紅細胞抗,間接elisa法測抗p24抗;用腹型抗做耐熱性及耐凍融實
  15. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    結果表明:所選原料的尺寸、形狀及純度可滿足固潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe加入無機填料會使復合材料吸率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計法能夠用較少的次數找出配與摩擦性能間的關系,擬合曲線基本能表示各配的摩擦系數發展趨勢;配不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者最大的;同時,固潤滑劑樣在空氣冷卻時的磨損量也是三者最大的:不論是固潤滑劑與45 #鋼軸配副或是固潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  16. Test method for ball penetration in freshly mixed hydraulic cement concrete

    新澆硬性泥混凝土貫入的
  17. Standard test method for total solids and water in vegetable tanning material extracts

    在植物鞣皮材料提取物總固的標準
  18. Standard test method for water in organic liquids by coulometric karl fischer titration

    由庫侖計卡耳.費歇爾滴定法測定有機液的標準
  19. Standard test method for water in insulating liquids by coulometric karl fischer titration

    用卡耳費瑟庫侖滴定法測定絕緣液的標準
  20. Standard test method for measurement of solids in water

    顆粒測量的標準
分享友人