水下粘合 的英文怎麼說
中文拼音 [shuǐxiàniángě]
水下粘合
英文
underwater adhesion-
Later, a more stable aqueous suspension was obtained by using a mixture of bentonite powder in the following formula.
后來按下列公式應用一種美粘土粉做成的混合液,才獲得一種比較穩定的水混懸液。In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 , 2 -丙二醇、正丁醇和環氧氯丙烷為原料,在相轉移催化劑的作用下反應,通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。Capillarity ( capillary action ) the rise or fall of liquids in narrow tubes as a result of the surface tension of the liquid, which causes the water to adhere to solid surfaces, such as soil particles or the walls of xylem vessels
毛細現象(毛細管作用) :由液體表面張力引起的液體在細管中上升或下降的現象,毛細現象引起水和固體表面的粘合作用,例如土壤顆粒或木質部導管壁。Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid , methylacrylic acid , esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water , anti acidity or bascity and brightness in the products of same type
以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料,在引發劑的存在下,以水或醇作溶劑進行聚合,加入苯乙烯、醋酸乙烯等改性,合成了3種不同的水溶性丙烯酸改性樹脂,並對其性能進行了測定.結果表明:這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces
應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。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
本文通過某型號雷體吊耳螺紋座結構的三種方案,即圓形昂耳螺紋座、長方形吊耳螺紋座、具有增強板的吊耳螺紋座的有限元分析及雷體吊耳螺紋座拉力試驗結果證明:金屬承力件與開口玻璃鋼殼體粘接採用玻璃鋼增強板補強,緩和了應力集中,使開口殼體局部應力明顯降低,類似的水下兵器用金屬承力件與開口復合材料殼體膠接均可採用此種結構形式。The composite has excellent performance of water retaining, that the adsorbed water of 85 % is retained after being dried 10 days at the room temperature, and the adsorbed water of 45 % is retained after being dried 24 hours at 60 the factors influencing on water absorbency for the superabsorbent composite such as the kinds and concentration of starch, clay, crosslinker, initiator, the external salt solution and hydrolysis degree are investigated in this paper
該超吸水性復合材料在室溫下乾燥10天後的保水率為85 ,在60 2條件下加熱24小時后的保水率為45 。本文較詳盡地探討了超吸水性復合材料的合成條件,並系統地研究了影響超吸水復合材料吸水倍率的各種因素。例如:粘土的種類及粘土的用量、澱粉的種類及澱粉的用量、交聯劑的用量、引發劑的用量、水解度(氫氧化鈉的用量) 、水解時間、外部鹽溶液的種類及濃度等條件。Water adhesives. aminoplastic. determination of conventional gel time at different temperatures
水性粘合劑.氨基塑料.不同溫度下膠凝時間的常規測定Based on nonlinear finite element theory, stress and deformation behaviors are analyzed after ground stabilization and foundation pit reinforcement with deep mixing method. by comparison of the conditions of treatment and non - treatment of two examples respectively, the results indicate that the match ratio scheme used for deep mixing method is more ideal when soft clay is stabilized in this area of fuzhou in the thesis. this scheme not only can fully utilize industrial waste material, but also can economize construction cost
對于加固土的工程特性,本文以非線性有限元理論為基礎,模擬分析水泥攪拌樁加固地基和基坑支護加固的應力和變形情況;通過兩個例子分別在有處理和無處理情況下的對比,利用固化劑最佳摻入比來設計地基處理方案,並運用非線性有限元方法計算出土體內大小主應力的分佈情況以及變形情況,結果表明本文所得出的配合比方案用於深層攪拌樁法來對福州地區軟粘土進行地基加固時還是比較理想的,這樣不僅充分利用工業廢料,還可節約工程造價。Abstract : because the water - binder ratio of both high strength concrete and high performance concrete are very low, it bring about the following consequences such as : 1, the grade of cement strength would be a negligible symbol 2, the effectiveness of mineral admixture would be considerably improved 3, the high cohesion of the mixture and concrete " s shrinkage and creep would be changed etc. all these consequences should be well deliberated by the construction circles
文摘:高強混凝土和高性能混凝土因其水膠比都很低,給配製與施工帶來如下現象:水泥標號的「標志」作用淡化,礦物摻合料的作用顯著改善,拌合物的高粘聚性、混凝土的收縮和徐變性能的變化等,這些現象都值得施工人員注意。Fann 35 viscosity was determined by hydrating 2. 4 grams of powder in 500 ml of di water in a waring blender at 2800 rpm for 1 minutes and measuring on fann 35 viscometer at 300 rpm
Fann 35黏度是使用韋林氏攙合器在2800轉/分速度下將2 . 4克瓜爾膠粉溶解於500毫升去離子水中,分散1分鐘后使用方氏同心圓筒粘度計在轉速為300轉/分時測得的。Abstract : the cause of underwater concrete reinforcing cage up - floating accident is improper operation, such as loose - placement of reinforcing cage, fast - drawing of conduct pipe, improper embedded depth of conduct pipe ; and the poor quality of concrete, for example, the slump, sand percentage, adhesiveness and initial setting time don " t meet requirement
文摘:水下混凝土澆注鋼筋籠上浮事故的原因是操作不當,如鋼筋籠固定不牢、提升導管過猛、導管埋深不當等,以及混凝土品質差,如坍落度、含砂率、粘聚性、初凝時間等不合要求。These glycosaminoglycan ( gag ) chains are long, linear carbohydrate polymers that are negatively charged under physiological conditions, due to the occurrence of sulphate and uronic acid groups
這些粘多糖( gag )鏈是長條線狀的碳水化合物聚合體,在正常生環境下,由於硫酸根和糖醛酸根的存在而處于負電位。Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure
文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure
陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法The cause of underwater concrete reinforcing cage up - floating accident is improper operation, such as loose - placement of reinforcing cage, fast - drawing of conduct pipe, improper embedded depth of conduct pipe ; and the poor quality of concrete, for example, the slump, sand percentage, adhesiveness and initial setting time don " t meet requirement
水下混凝土澆注鋼筋籠上浮事故的原因是操作不當,如鋼筋籠固定不牢、提升導管過猛、導管埋深不當等,以及混凝土品質差,如坍落度、含砂率、粘聚性、初凝時間等不合要求。The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact
軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到,仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參數的選擇、公式的選用應該注意的問題進行了研究,對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法,就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究,提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法,並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計,得出了符合實際的結果,與其它重力式擋土墻形式進行比較,取得了明顯的經濟效益。In terms of the bonding characters of underwater weapon composite, the main study and conclusions are as the followings. ( l ) the optimization method of composite adhesion for the present of a certain torpedo is established
本文針對水下兵器復合材料膠接的特點,主要研究內容和成果有: 1 )建立以某型號雷體為代表類型的水下兵器用復合材料膠粘劑優選方法。( 2 ) on the basis of continuity equation, momentum conservation equation, energy conservation equation, and substantial equation, coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium, adopting thermal elasto - plastic constitutive relation, taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account
( 2 )根據連續性方程、線動量平衡方程和能量守恆方程以及相應的物性方程推導了飽和巖體溫度場-滲流場-變形場三場耦合作用控制方程組。在推導控制方程組時舍棄了「局部熱平衡」假設,採用了熱彈塑性本構關系,考慮了溫度梯度對地下水滲流的影響(類soret效應)以及地下水的粘性耗散對巖體溫度場的影響。The selection of structure adhesion for underwater weapon composite should take account for its aging resistance, service environment, loading state and process requirements while the aging resistance in sea and by its process properties is considered for the sea - proof sealant
水下兵器用復合材料結構膠的選擇需根據膠粘劑的耐老化性、使用環境、受力狀態以及根據工藝要求進行選擇;防海水密封膠的選擇既要考慮密封膠在海水中的耐老化性又要考慮它的工藝性。分享友人