normal strain 中文意思是什麼

normal strain 解釋
垂直應變
  • normal : adj 1 正常的,平常的,普通的;平均的。2 正規的,標準的,額定的,規定的。3 智力正常的,精神健全的...
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  1. The tested isozymes included esterase ( est ) 、 superoxide dismutase ( sod ) 、 malate. dehydrogenase ( mdh ) 、 malic enzyme ( me ) 、 glutamate dehydrogenase ( gdh ) 、 peroxidase ( per ) and alcohol dehydrogenase ( adh ). there were obvious differences between the normal strain and its degenerative strain in est 、 mdh 、 me 、 sod. the zymotype were the same in the other isozymes. the results were not only used to test the degenerative strain at young stage, but also as the theoretical base to study the genetic mechanism of the degenerative strain

    而其餘四種酶在正常菌株和退化菌株中酶譜一致。本研究不僅可以作為菌株退化早期鑒別的手段之一,而且為進一步研究菌種退化遺傳機理提供了蛋白質水平上的一些理論依據。
  2. Based on the aircraft structure fatigue theory, the article discussed the theoretical basis of methods that are usually used for aircraft structure fatigue crack - forming life estimation, i. e. the stress severity factor approach ( normal stress approach ), the local stress & strain approach, detail fatigue rating approach ( dfr ). also the processes of life estimation of these approaches are studied in the article

    文章在簡要介紹飛機結構疲勞強度理論的基礎上,對目前飛機結構勞疲勞裂紋形成壽命估算常用的應力嚴重系數法(名義應力法) ,局部應力應變法,細節疲勞額定值dfr法的理論依據作了較詳細的論述,同時對這些估算方法進行壽命估算的過程與步驟也作了詳盡的闡述。
  3. The method for measuring the plane strain fracture toughness klc has been introduce to high polymer bonded explosives ( pbx ) by systematically studying technologies concerning the shape of specimen, the depth and its machining of crack, the loading rate, the measurement of critical fracture load, and the computation of klc, etc. the method has been used to test and study klc of three typical high polymer bonded explosives which are j2, jl, j3 respectively both at normal temperature and unmoral temperature

    本文以高聚物粘結炸藥為研究對象,對測試高聚物粘結炸藥的平面應變斷裂韌度所涉及的樣品形狀、裂紋深度及裂紋制備、加載速度、臨界斷裂載荷p _ q的確定及平面應變斷裂韌度k _ ( ic )的計算等方面進行深入研究,建立了較為完善的炸藥平面應變斷裂韌度測試方法。
  4. By direct shear for and normal triaxial shear tests of non - saturated desert sand, the parper studied the effect of water content and dry density on the strength of the non - saturated desert sand, and set up the code of this sand. based on the plane strain test of non - saturated desert sand slope, the paper analysed the destruction way of the excavaion side during the construction by means of adding water, and brough forward a formule that calculates the allowable of excavation and pile hole

    通過非飽和沙漠砂直剪試驗和常規三軸剪切試驗,研究了含水量和干密度對非飽和砂強度的影響,建立了這種砂的強度準則。通過非飽和沙漠砂邊坡室內平面應變試驗,分析了沙漠井場浸法施工中就基坑壁的破壞方式,推導出了基坑和樁孔容許開挖深度的計算公式。
  5. The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low

    本文從用惰性氣體蒸發冷凝和真空原位壓結法( igc )制備得到的直徑80mm ,厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣,在mts810和zwick精密力學測試機上分別精確測定了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。
  6. Furthermore, because of the unique shape of grab and the main frame apply to it, it ' s difficult to calculate the strain of grab with normal linear methods. during the design of grab, the design of holder is the main mission of whole design

    在抓鬥斗體的設計中,由於斗底板是整個斗體的主要部分,並且斗底板的結構形狀特殊,所以就更加難以用測試或者計算的方法來求得斗底板的應力。
  7. " field observation of high rock - fill dams and feedback data analysis " and " dynamic analysis of high earth and rock - fill dams and aseismatic measures ", the concepts and methods obtained in the above two consulting items were creative and evaluated by the ministry of electric power as being of international level. the research findings were adopted in such large - scale projects as the tianshengqiao water contral project, ming tombs water control project. dahe water contral project, ming tombs water control project, dahe water control project and lianhua water control project and awarded the second prize of scientific and technical advancement of the ministry of electric power. ( 2 ) the research on the stress - strain correlation of dam construction materials was awarded the second prize of scientific and technical advancement of the ministry of electric power. ( 3 ) the result of the field observation test and computational analysis for the tailing dam improvement project of xuzhou power plant was adopted by the east - china design institute of electric engineering with considerable economic benefit. ( 4 ) the result of the geotechnical test and data analysis of wenfu mine project was applied in the project with considerable economic benefit. ( 5 ) the field observation and data analysis of the kezier reservoir project provided a solid base for ensuring the normal operation and management of the reservoir

    「高堆石壩原位觀測和反潰分析研究」及「高土石壩動力分析及抗震工程措施研究」咨詢項目提出了具有開拓性的觀點與方法,經電力工業部鑒定評為國際先進水平,該兩項成果已應用於天生橋、十三陵、大河、蓮花等大型工程獲電力工業部科技進步二等獎; 「壩料土動力應力應變關系的研究」咨詢項目獲電力工業部科技進步二等獎, 「徐州發電廠灰壩加固工程勘測試驗與計算分析」咨詢成果已被華東電力設計院設計采納,工程效益顯著; 「甕福磷石膏渣場工程土工試驗與數值分析」咨詢成果已應用於國家重點工程甕福礦肥基地建設,效益顯著; 「克孜爾水庫工程原型觀測數據庫與資料分析」咨詢項目為水庫運行與管理提供了有力保證。
  8. The frequency of bowel movements will decrease with baby s growth. it is perfectly normal for some babies to have bowel movements every other day or every few days. however, if the baby has to strain because of hard and dry stools, he may be

    大便的次數是會隨著寶寶長大而慢慢減少,可能會變得隔天或幾天一次,這是沒有問題的。但是如果有排便困難,大便又干又硬,就是便秘啦。
  9. For a impact process with a normal impact velocity, the control equation for rkpm was deduced based on a small strain and incremental elasto - plastic constitutive law

    針對沖擊速度較低的情況,假設沖擊過程為小應變,並引入彈塑性增量本構關系,推導出沖擊過程的再生核質點法計算控制方程。
  10. With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress

    研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時,軸向和環向載荷的比率不同,母層和子層可能發生拉伸屈曲,也可能發生收縮屈曲,或者同時發生拉伸和壓縮屈曲;母層與子層各向異性存在差異,即泊松比與剪切模量不匹配時,將使子層板的邊界上承受壓縮和剪切作用,當分層達到臨界狀態則發生屈曲,當母層與子層的各向異性差異越大,則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。
  11. Normal or linear strain is defined as the change in length per unit length.

    正改應變或線應變由每單位長度內的長度改變量來定義。
  12. Supernatants of eaggec grown under normal condition ( lb medium ) and iron deficiency condition ( led medium ) were applied to the reporter strain, wa - cs irpl : : kn ( pcjg3. 3n ), which was transferred the reporter plasmid pcjg3. 3n contained promoter region of fyua gene fused to gfp

    Hpi毒力島的力ua基因編碼ybt受體fylla ,該基因的表達受細胞外ybt水平的正向調節,本研究利用丹ua基回啟動子融合表達報告質粒pcjg3 3n及菌株wa csirpl : kn ( pcjg3
  13. The elas tic modulus, ascending segment of stress - strain relation of normal concrete, two kinds of concrete containing respectively grade fly ash and grade fly ash from huaneng fuzhou power plant is tested. the analysis results show that the relation between elast ic modulus and axes compressive strength of fly ash concrete is the same as normal concrete

    本文試驗研究了普通混凝土、不同品質粉煤灰混凝土的彈性模量、應力應變上升段及其他力學性能。結果表明:粉煤灰混凝土與普通混凝土的彈性模量隨軸心抗壓強度的變化是一致的;強度達到一定的等級后,相近強度等級的粉煤灰混凝土和普通混凝土,前者的彈性模量超過後者的彈性模量。
  14. Normal temperature strain gauge

    常溫應變計
  15. In addition, 4 pieces of prestressed small - sized concrete hollow block masonry models and 1 piece of normal concrete hollow block masonry model are tested under frequency low - cyclic static load. some seismic behaviors such as strain - stress curve and ductility of the prestressed masonry were analyzed

    進行了4片預應力砌塊砌體墻和1片對比用普通墻的低周反復荷載試驗,分析了預應力砌體的滯回曲線、延性等抗震性能。
  16. Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account

    文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系,並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性,並且不發生絕熱剪切沖塞破壞的前提下,理論預測和實驗結果吻合良好
  17. Rh 109 - 2 can use g01 medium, and grow well on the medium containing 0. 3 % propionate. the average liter was 30 % higher than original strain during normal fermentation. using propionate as half precursor instead of 01 precursor, the fermentation titer of rh 109 - 2 does not reduce, and the content of mdma _ ( 1 ) increases

    正常發酵時, rh09二的發酵水平比出發菌株提高了30 :當採用丙酸鹽替代原有的of前體的一半進行補料時, rh09 2的發酵單位沒有降低,而mdma ;的含量略有提高,從而降低了發酵成本。
  18. 5 ) based on test results and going by ultimate balance theory, the paper drew anti - shear formula of the wall under eccentric loads, and discussed the main factors which influenced its anti - shear bearing capacity. 6 ) based on plain section assumption, the paper studied the normal section bearing capacity of the wall. stress, strain and deformation computation was combined to establish bearing capacity formulas for the normal section under moment, unaxial loads and axial loads respectively

    6 )以應變平截面假定為基礎,對密肋復合墻體正截面極限承載力進行研究,即將墻體從初始受荷到正截面極限狀態的各階段的應力、內力及變形計算貫通起來,建立了墻體正截面壓彎、拉彎承載力實用計算公式和軸心承載力計算公式。
  19. The results showed that the stress - strain realtionship of pt could be expressed with exponential functions, and there were significant differeces between the normal group and the immobilized group in their theoretical curves of stress - strain relationship and two material constants of pt. also, significant differences were found in tensile strength and tangent modulus between the two groups, but the maximum load of pt in the immobilized group did not decrease significantly

    結果顯示:正常組與制動組間髕韌帶的應力-應變關系理論曲線有明顯不同,其材料常數亦有顯著差異;制動組髕韌帶的極限強度和彈性模量較正常組均有明顯下降,其極限載荷下降不明顯。
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