reduction strength 中文意思是什麼

reduction strength 解釋
壓縮強度
  • reduction : n 1 縮小,減少;降級,降位;(刑罰等的)輕減;減速;減價,折扣。2 (城市、國家等的)陷落,投降,...
  • strength : n. 1. 力,力量,體力。2. 強度,濃度;長處;(要塞等的)抵抗力。3. 實力;兵力;全體人數,額定人數,編制。4. 筆力;文勢。5. (證券等的)市價堅挺。6. 〈美俚〉(可能有的)利潤。
  1. The bisection method applied in strength reduction method of bearing capacity of foundation

    二分法在確定地基承載力的強度折減法中的應用
  2. Then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues

    再通過合理的假設,建立用於計算直徑增長的計算機邏輯框圖。
  3. A layer of hot-dipped galvanizing causes a considerable reduction in the fatigue strength.

    熱浸鍍鋅層引起疲勞強度的顯著降低。
  4. An increase in muscle strength occurring weeks after dose reduction usually indicates steroid - induced myopathy

    類固醇減量后數周肌力改善常提示類固醇肌病。
  5. Having reacted with copper, paa becomes complex. the complex decomposes after heat treating and cause the increase in dielectric constant and reduction in dielectric breakdown strength. otherwise cu2o and cuo emerge from the complex, too

    N與cu反應后,形成絡合物,熱處理時自身降解,擊穿強度降低,介電常數提高; cz在熱處理后從絡合物離解出來形成cllo和cuzo 。
  6. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  7. According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory

    摘要利用強度折減技術和二分法原理,以塑性區的貫通作為頂板破壞的標準,當采空區頂板的安全系數等於1 . 2時,利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。
  8. The binding principle in pelletizing covers a comprehensive model of interfacial reaction among particles inside green pellets, the formation of binding film during hardening of green pellets by baking to obtain enough strength for a volumetric catalyzed reduction model for cold - bound pellets bearing composite binder and corresponding high temperature reduction system in rotary kiln

    提出了含復合粘結劑的生球強度界面作用力綜合模型,冷固球團礦強度的粘結膜機理,含復合粘結劑的冷固球團礦催化還原體積反應機制及全窯高溫快速還原熱工制度。
  9. . general methods of test for pigments and extenders. part 16 : determination of relative tinting strength or equivalent colouring value and colour on reduction of coloured pigments. visual comparison method

    顏料和填料的一般試驗方法.第16部分:相對著色力
  10. At last, the finite element method, the strength reduction method and limit equilibrium method, nature slopes and excavation slopes, lateral stress unloading model and axial loading model are analyzed and discussed relatively

    最後,就有限元法、強度折減法和極限平衡法,自然邊坡與挖方邊坡,圍壓卸荷應力路徑模型分析與軸向加荷應力路徑模型分析進行了比較討論。
  11. It analyzes the hydrologic effect from the aspects of rainfall interception of plants, splash erosion reduction and surface runoff control, analyzes the mechanical effect from the aspects of tensile strength of single root of plant, root - soil interaction, root - soil composite and slope stability and finally approaches to the future development orientation of slope protection by vegetation

    從植物的截留降水、削弱濺蝕和抑制地表徑流等方面分析了植被護坡的水文效應,並從植物單根抗拉強度、根土相互作用、根土復合體及邊坡穩定分析等方面分析了植物護坡的力學效應,最後探討了植被護坡的發展方向。
  12. Available empirical results indicate that the creep of reinforcement strongly influences the overall behavior of rs structures, which is demonstrated by excessive deformations. different creep tests are discussed and the test methods to obtain the two kinds of creep curves are compared in this thesis. the methods of how to determine the reduction factor according to long - term strength of creep or allowable strain during the services life are presented

    文中介紹和研究了不同的蠕變試驗手段,比較了獲得兩種蠕變曲線的試驗方法,並給出了兩種蠕變曲線一定范圍外推的數據處理方法;給出怎樣根據設計使用年限的長期蠕變強度或容許應變來確定蠕變折減系數的方法,並用計算實例來說明。
  13. Ep - red will not give complete iron reduction in 24 % or higher hydrochloric acid strength. it is likely to be ineffective in preventing iron induced sludging if 28 % acid is required

    當鹽酸濃度高過24 %時, ep - red將不能發揮完全的降鐵作用。當使用28 %濃度酸時,它已對降低鐵渣失效。
  14. Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small

    文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪,通過對其降噪效果及頻譜的測量分析,發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。
  15. By considering the effect of different binders, basicity, reduction temperature and time on the compression strength and dezinc degree after reducing, find out the best scheme a1b3c3d3 and get the metallic pellets with higher compression strength and dezinc degree

    通過研究不同粘結劑、堿度、還原溫度和還原時間對熟球抗壓強度、脫鋅率的影響,找出最佳試驗方案為a1b3c3d3 ,得到脫鋅率和抗壓強度較高的金屬化球團。
  16. The mechanical parameters at high temperatures - reduction in area ( ra % ) and tensile strength ( o b ) are measured by means of gleeble - 2000 thermal simulating machine. fracture surfaces are analyzed by scanning electron microscopy and optical microscopy. the segregation of sn is also examined by auger electron spectroscopy

    通過測定試驗鋼種的高溫力學參數(斷面收縮率ra和抗拉強度_ b ) ,觀察金相顯微組織,分析掃描斷口形貌,測試第二相析出物和俄歇能譜試驗等方法,研究了殘留元素sn及冷卻速率對高溫力學性能的影響。
  17. ( 4 ) a nonlinear model including the loss of cross - sectional area of corroded rebar, the reduction of mechanical properties of corroded steel and the degradation of the bond strength between concrete and corroded rebar was presented

    氯離子擴散系數是一個隨時間、擴散深度和氯離子濃度變化的變量。 ( 4 )建立了考慮銹蝕鋼筋截面面積減小、力學性能下降以及混凝土與鋼筋之間粘結性能退化的非線性模型。
  18. At last, it discusses the method of designing the spandrel beams properly, including the reduction of spandrel - beam - torque and the flexural strength ratio between columns and beams. results from the tests show that the effect of secondary torque, especially the anti - symmetry, exists in the structure during the whole testing

    試驗結果表明,預應力次扭矩對結構受力的影響,存在於整個受力階段,其對結構受力的反對稱效應是比較明確的,尤其對邊主梁的受扭影響。
  19. The combination of lateral stress and maximum vertical strain denotes the loading history and the reduction of tensile strength and compressive strength denotes the damage of concrete. this work is the theoretical foundation of study on the damage, of concrete due to loading history

    分別用經歷過荷載歷史后混凝土試件的抗壓和抗拉強度的劣化來定義其抗壓和抗拉損傷,為下文深入研究損傷隨荷載歷史的發展演化規律奠定了扎實的理論基礎。
  20. The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry

    本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響,詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響,並得出如下結論: ( 1 )採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 ( 2 )冶煉溫度越高,高壓水壓力越大,所得生粉顆粒粒度越細。 ( 3 )水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。
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