環結強度 的英文怎麼說
中文拼音 [huánjiēqiángdù]
環結強度
英文
lootenacity-
Makes general analysis and research on human visual system the characteristicness of human visual system is the process being considered firstly for every image process technology, include watermark technology, in order to join the characteristicness of hvs and the watermark technology together, this paper analyses and researches the hvs theoretics particularly firstly. it build the aesthesia models and the jnd models after discussing eyes " biology configuration particularly and expatiating eyes " aesthesia process. these works provide the foundation for the later research of watermark channel capacity and the watetmark embedding intensity. 2
對人類視覺系統的特性進行了全面的分析和研究人類視覺系統的特性是任何圖像處理技術必須優先考慮的環節,數字水印技術也不例外,為了使人類視覺系統的特性和數字水印技術很好地結合,本文首先對人類視覺系統理論進行了全面細致的分析和研究,在詳細闡述了人眼的生理結構及人眼對顏色的感知過程的基礎上,建立了人眼的感知模型和人類視覺系統的jnd模型,這些工作為后來水印通道容量的研究、水印嵌入強度的確定等工作奠定了基礎。Interfacial atoms diffusion or covalence by a circulated - argon ion bombardment process could improve the adhesion strength between the coatings and the uranium substrate
循環氬離子轟擊鍍方法可促進使膜-基界面原子間的擴散或鍵合,有利於提高膜-基結合強度。In consideration of the crises of both the industrial water and the domestic water in the estuarial areas of the yangtze river caused by the decrease of the channel runoff and the intrusion of the sea water during the dry season in dry year, the concept, method and planning framework of the water resources allocation for the areas mentioned above along the main stem of the river are put forward herein based on the preliminary prediction of the future water demands by taking the water resources allocation therein during the dry seasons as the actual case in combination with the status quo of the water environment and water resources utilization concerned
摘要針對枯水年枯水季,因河道徑流量較少,鹽水入侵的頻率和強度顯著提高而引起的長江河口沿岸地區生產生活用水安全,文中結合長江口地區水資源利用和水環境現狀,以大通以下長江幹流地區在枯水季水量分配為實例,在初步預測未來河口地區水資源需求的基礎上,提出長江口地區水資源配置的思路、方法及方案框架。The structure and the construction method of a new type of fascine are introduced herein, of which the advantages are as the follows. ( 1 ) the shortages of the complicated construction process and low construction progress with low efficiency are overcome. ( 2 ) the fascine cage can be industrially made, so as to reduce the working procedure in site. ( 3 ) the heavy construction equipments can be used for the mechanical construction of the single large size fascine cage with high construction speed and intensity. ( 4 ) it is favorable to the environment protection as the amount of the fascine material being decreased
摘要介紹了新型埽工籠埽的結構形式、施工方法,其優點為: ( 1 )克服傳統埽工施工工序復雜、速度慢、效率低的缺點; ( 2 )籠埽可工廠化生產,減少現場作業工序和作業面后移; ( 3 )充分利用大型施工機械進行大體積單個籠埽結合機械化施工,作埽速度快、強度高; ( 4 )減少柳料用量,利於環境保護。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結劑類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。For the 30. 2mm shaft, there are still larger over measure to load. the strength is increased by optimization. for ? 17. 4mm shaft, the strength is increased by enlarge the inner dimension of the spline ; for 30. 2mm shaft, the strength is increased by adjust the structure at the boundary between the key groove and the ring groove, the highest stress of the shaft is at bottom and terminal of the spline after optimization
其中對17 . 4mm泵軸的優化,通過增大花鍵內徑,提高了花鍵齒底的強度,降低了應力集中點附近的應力;對30 . 2mm電機軸的優化,通過在軸承鍵的環槽端增加倒角,有效降低了該位置的應力集中,使軸的最大應力點從軸承鍵與環槽的交界處轉變到花鍵根部與收尾的交界處,提高了電機軸整體結構強度的合理性。Concerning the launch process, infrared imager ’ s mechanism system must experience the harsh mechanics environment ; the part of mechanical structure should attain the high stiffness, high strength, low mass
考慮到發射過程中系統又必須經歷嚴酷力學環境,結構設計要做到高剛度,高強度,低質量。In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction
本文利用常規直剪儀、三軸儀以及輕便固結儀,分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量,分別探求了外力約束對膨脹土強度的影響,不同飽和度膨脹土的總應力強度特性,干濕循環對非飽和膨脹土總應力強度的影響,飽和度與壓縮模量以及孔隙比的關系,干濕循環對飽和膨脹土有效應力強度指標的影響,廣義吸力與飽和度的關系,建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。Standard test method for bond strength of epoxy - resin systems used with concrete by slant shear
斜切法測定混凝土用環氧樹脂粘結劑的粘結強度的標準試驗方法In the aspect of improving the cracking feature, compatibility and flexibility, the author has done experiments, including strength, modulus of elasticity experiments, and design some experiments similar to the practical structure and circumstance including adhesion strength between fresh mortars and old ones, between mortar and polystyrene board, mortar shrinkage in concrete circle, mortar shrinkage at different strength and different polymer - cement ratio, and temperature deformability at different strength and different polymer - cement ratio on mortars, on different type of formwork and on mortars with different type of formwork
在改善砂漿抗裂性、提高柔韌性和協調變形能力方面,進行了不同聚合物摻量的強度試驗、彈性模量試驗;設計了與模網混凝土實際結構和情況相接近的新老砂漿粘結強度試驗、砂漿與苯板的粘結試驗以及混凝土環中的砂漿收縮試驗;進行了不同強度、不同聚合物摻量下的砂漿干縮變形試驗、溫度變形試驗,以及不同結構形式的鋼網自身溫度變形試驗和配有鋼網的砂漿溫度變形試驗。Products and systems for the protection and repair of concrete structures - test methods - determination of the adhesion of injection products, with or without thermal cycling - adhesion by tensile bond strength
混凝土結構的保護和維修用產品和系統.試驗方法.帶或不帶熱循環的注入產品的粘性測定.用抗拉粘結強度測定粘性Products and systems for the protection and repair of concrete structures - test methods - part 2 : determination of the adhesion of injection products, with our without thermal cycling - adhesion by tensile bond strength
混凝土結構保護和維修用產品及系統.試驗方法.第2部分:帶或不帶熱循環的注入產品的粘結性測定.用抗拉粘結強度測定粘結性Through the bonding tests and the theory analysis between the advanced composite glass sheets and the concrete under the general load - carrying condition, the iterative load - carrying condition, the freeze - thaw action, and the defective bonding, the calculative model has been established, and the numerical value of fibre sheet strain under different load - carrying has been confirmed. the bond strength calculative expressions for the concrete bonded with glass fibre sheet under the pull - shear and the bend load - carrying conditions have been established. the author put forward the decreasing coefficient and the calculative expressions for the influence of reinforce effect by the non - effective area and the calculative expressions for the influence of the freeze - thaw action on the carrying capacity of the concrete beams
本文採用美國泰扶高強復合玻璃纖維布以及與之性能相當、由南京玻璃纖維研究院自行研製開發的egfw430型玻璃纖維布兩種材料,通過在靜載、重復荷載、凍融及有缺陷粘結條件下的高強玻璃纖維布與混凝土粘結性能的試驗研究與理論分析,建立了玻璃纖維布-混凝土的粘結計算模型,明確了不同受力狀態下纖維布應變的設計取值,提出了玻璃纖維布-混凝土抗剪粘結強度的計算公式;確定了考慮非有效粘貼面積對加固效果影響的折減系數;給出了凍融循環次數引起承載力下降的插值計算方法;並驗證了重復荷載作用下玻璃纖維布與混凝土良好的粘結性能。Experimental research on the influence of bonds in bond strength of concrete filled steel tubes
剪力環對鋼管混凝土粘結強度影響的試驗Durability ' s of the material such as permeability, heat - resistance, carbonation and steel bar - protection were tested. the bonding characters between anchoring material matrix and post - embedding steel bar, the matrix and the concrete structures were studied
在植筋錨固長度足夠的條件下,混凝土與錨固砂漿的界面粘結強度大小直接決定了植筋錨固的控制荷載,粘結界面成為受力的薄弱環節。Conventional building - mortar is usually blent into in the construction local, which possesses many defects such as low accuracy of mixture ratio, poor stability of quality, contractility of bigness, broad fluctuation of felted strength, anti - penetrability of feebleness, collapse of easiness and ect, and it is vital reason, resulting in lots of engineering quality accidents as following : crack in the wall, swelling, penetration, and collapse. mortar made in the local is at the cost of wasting materials and contaminating environment
傳統的建築砂漿都是在施工現場拌制,現場拌制的砂漿各組分計量準確度低、質量穩定性差、收縮性大、粘結強度波動大、抗滲性差、易剝落,是建築工程墻面開裂、起殼、滲漏、甚至墻體倒塌等質量事故發生的主要原因;現場拌制砂漿還會造成材料浪費和污染施工環境。Strengthening of concrete beams with externally bonded carbon fiber reinforced plastic ( cfrp ) materials appears to be a feasibe way of increasting the load - carrying capacity and stiffness characteristics of existing structures. cfrp strengthened cocrete beams can fail in involve steel yield - cfrp tenside rupture and steel yield - concrete crushing
用碳纖維復合材料( cfrp )加固修復混凝土結構,增強體(碳纖維)和基體(環氧樹脂)應有良好的界面粘結強度,這是一種行之有效的加固方法,它可以提高現有結構物的承載能力和剛度。The experiment includes three parts. in the first part, we tested the coherence of the cfrp tendons with concrete, epoxy resin and neat cement grout and got the cohesion strength correspondingly. base on these data, we pointed out the problem of the tendons and provided the solution method
在這些試驗中我們首先對碳纖維塑料筋在混凝土、環氧樹脂和素水泥漿中的粘結性能進行了研究,分別測出了碳纖維塑料筋在這幾種介質中的粘結強度並對實驗數據進行了分析,指出了存在的問題和應該採取的解決辦法。Finally, the bond strength of frp bars to epoxy resin and cement grout is also studied
同時對纖維塑料筋與水泥裝和環氧樹脂的粘結強度也進行了探討。分享友人