before after experiment 中文意思是什麼

before after experiment 解釋
事前事後測驗
  • before : adv 1 在前，在前方，在前頭，在前面。2 在以前，從前，前此；較早。1 在…以前；較…早[先]。 Lilacs com...
  • after : adv 在後；繼后；后來。 follow after 跟著。 look before and after 瞻前顧后，前思後想。 soon after ...
  • experiment : n 實驗；試驗；嘗試 （of） a scientific experiment 科學試驗，科學儀器設備。 a new experiment in ed...
  1. Injected group, 0. 1 % saccharin ( 1. 5 ~ 2ml / rat, in 5min ) intraoral infused group and cta group. the expression of endogenous leucin - enkephalin ( lek ) in the rat brain was observed and 5 parts of the thalamus including laterodorsal thalamic nucleus ( ld ), lateral part of mediodorsal thalamic nucleus ( mdl ), ventroposterolateral thalamic nucleus ( vpl ), ventroposteromedial thalamic nucleus ( vpm ) and reticular thalamic nucleus ( rt ) were comparatively researched before and after the acquisition of cta applying lek - immunocytochemistry. in behavioral experiment, 18 adult male sd rats were divided into normal cta group ( control ) and 2 naloxone i. p

    為探討cta形成過程中enk的作用，本實驗用成年雄性sd大鼠35隻，分為空白對照組、生理鹽水（ 2體重）腹腔注射組、 0 . 15mlicl溶液（ 2體重）腹腔注射組、 0 . 1糖精溶液口腔灌流組（ 1 . 5 - 2ml只， 5min ）和cta建立組，採用免疫細胞化學方法，觀察了亮腦啡肽（ lek ）陽性神經元在大鼠腦內的分佈情況，並比較了各組大鼠丘腦外側背核（ ld ） 、丘腦內側背核外側部（ mdl ） 、丘腦腹后外側核（ vpl ） 、丘腦腹后內側核（ vpm ）以及丘腦網狀核（ rt ）等5個腦區內lek表達水平的差異；另外將成年雄性sd大鼠18隻，分為正常cta建立組以及在cta建立前或cta建立后阿片受體拮抗劑納洛酮（ 2mg kg體重）腹腔注射組，對內源性阿片樣物質對于cta建立和保持的影響進行了行為學研究。
  2. Before studying the concrete composite deck pavement, we introduce the basic theory of touching analysis, and come up with the realization of touching analysis in the fem analysis considering the touch of concrete bridge cover plates, asphaltum concrete overlay with bridge cover etc. connect with the experiment on the spot of bridge, the software ansys is used to solidity modeling and analyzing an assembly simply supported bridge before adding overlap, after adding overlap etc., and study the influence of adding overlap on the underside bridge structures

    在進行裝配式混凝土簡支板橋復合鋪裝結構的探討性研究前，先介紹了接觸分析基本理論，並提出了考慮混凝土橋面板板間接觸、瀝青混凝土加鋪層與橋面接觸等接觸分析在有限元分析中的實現思路。結合一座裝配式簡支板橋現場試驗數據，採用ansys對該橋在加鋪前後進行了實體建模與計算分析，討論了瀝青混凝土加鋪層對下部結構物的影響。
  3. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  4. Through the physical model experiment, the wave forces over submerged dyke and transmission coefficient are analyzed under the action of regular wave. in the test of wave forces, the rectangle - type submerged dyke is used as research object, and when analyzing the total wave forces, the effect of water depth before the dyke and that of the wave parameters is considered. based on the test, through the methods of multi - element linear regression, experimental formulae are given to calculate maximum total wave forces in horizontal direction, its relative vertical wave forces and maximum wave forces before and after the dyke, which are compared with the present formulae

    在潛堤波力的研究中，選取矩型潛堤作為研究對象，在分析各個影響因素對潛堤波力影響的基礎上，選取兩個最主要的影響因素，即相對波高和相對水深作為研究重點，在物理模型試驗結果的基礎上，定性地研究分析了潛堤所受的總波力隨相對波高和相對水深的變化規律，並在此基礎上，利用多元線性回歸的方法，分別給出了在本文試驗條件下計算潛堤最大水平總波力及其相對應的垂向總波力的經驗公式以及計算堤前堤后最大總波力的經驗公式，並與已存在的計算公式進行了對比。
  5. The first part concerned the self - conceptions of competence in the field of children ' s physical exercise. it was made up of three experiments : experiment i used bandura ' s classical pattern of the measurement of self - efficacy for reference. before and after the children ' s three trial jumps respectively, they were asked to assess their abilities to fulfill a series of tasks of standing long jumps from easy to difficult

    第一部分是幼兒身體運動領域能力自我知覺的研究，由三個實驗組成：實驗一借鑒bandura自我效能測量的經典模式，在幼兒三次集中試跳之前、之後，分別讓幼兒就自己在完成從易到難的一系列立定跳遠任務上的能力及把握程度做判斷，並在其後再對自己最大能力分別做一個單項目的總的判斷，比較試前泛化經驗和試后即時直接經驗對幼兒能力知覺的影響作用，並對比單項目判斷和多項目判斷對幼兒能力自我知覺的反映情況。
  6. Through flat experiment and circle experiment, we research the causes of cracks before hardening of concrete and after. through ingredient experiment, we research the influence of shrinkage from some ingredient ( coal ash, crushed stones and fiber ). in addition, we test some methods of construction to strengthen the anti - crack capacity of r. c. slab in building sites

    通過平板試驗和圓環試驗，研究了混凝土在終凝前和終凝后裂縫的各種影響因素；通過摻合料試驗，研究混凝土的一些摻合料（粉煤灰、碎石和纖維）對其收縮變形的影響；另外，還在施工工地進行一些增強樓板抗裂能力的構造措施試驗。
  7. Based on the continuous damage theory, considering the shear effect, the high - order shearing, flexural and in - plane deformation coupling model is built ; through the nonlinear fem analysis of rc beams strengthened with frp, the damage theory and damage course is researched ; compared with experiment results, it shows that the model is effective ; the fem analysis software is prepared to provide simple and effective method for the engineering application ; using the soft the frp strengthened beams before and after damage is modeled so as to provide the theory base for engineering application

    摘要基於連續損傷理論，考慮膠層的剪切效應，建立frp加固鋼筋混凝土梁的高階剪切彎曲及面內變形耦合模型，編制了有限元分析的軟體，進行非線性有限元分析；通過與已有的試驗結果進行對比，證明該模型的簡單，有效性；利用該軟體對未加固混凝土梁，初始進行加固的混凝土梁以及最大拉應變達到極限值時進行加固的混凝土梁等幾種情況進行數值模擬。
  8. Although samples were in a hot reflux for a long time at 85 in the experiment, and 5 ? molecular sieve of the adsorbed sample was acidized by hydrofluoric acid, the analytical method was tested to have little influence on carbon isotopic composition of the saturated hydrocarbons before and after complexation

    盡管實驗過程中樣品經過85長時間加熱迴流及吸附樣品的5 ?分子篩用氫氟酸酸化處理，但實驗結果經儀器檢測，證明該方法對正構烷烴碳同位素值影響因素不大。
  9. " teaching - helping - releasing " for the purpose of motivating students " initiative to participate in classroom activities. the teacher plays a leading role in taking the teaching steps of " preview - perception - problem solving - detail explanation - practice " in the three periods of " before class - during class - after class ". after the experiment for a semester, the students have made all - round progress

    其次，為突出學生參與教學過程的能動性、主動性，從宏觀上提出「教?扶?放」三階段教學實施過程，並將「預習?感知?解疑?精講?練習」等教學步驟，設計到「開課前?教學中?教學后」三個教學環節中，明確教師主導作用的發揮程度和作為教學組織者、指導者的要求。
  10. As a completely new study method, creative learning treat the questions as the media, create a kind of enviroment and process which are similar to scientific studyjet students collect, analyse, and deal with informations by themselves in order that they can feel and experience the process of creativing knowledge. in this way, they can understand society. learn how to study, cultivate their ability of analysing problems, solving problems and ability of creativeness. as the creative study has the characters of open. experimental processive, which made it can be used widely in all subjects ' teaching and spread thoroughly and quickly. i want to explore how to adopt the creative learning in common school combined with biology teaching through educational experiment. this educational experiment is seclected from two classes ' students in senior two from xi ' an no. 33 middle school. these two classes ' students were regarded as the materials of this experiment. the experiment lasted for three months and adopted natural experienc e. i had two tests before and after the experience. during the class period and free time, i would holden creative learning under the condition of obeying the principal of experiment

    作為一種嶄新的學習方式，研究性學習在教學過程中以問題為載體，創設一種類似科學研究的情境和途徑，讓學生通過自己收集，分析和處理信息來實際感覺並體驗知識的產生過程，進而了解社會，學會學習，培養學生分析問題，解決問題的能力和創造能力。由於研究性學習呈現出開放性、自主性、實踐性與過程性等特徵，使得它在各學科教學中得以廣泛運用，並迅速推廣開來。本人通過對國內大量文獻資料的研究，發現研究性學習主要是在經濟、文化發達，教育觀念先進，硬體設施良好的沿海城市及重點中學開展。
  11. The theoretical analysis and experiment outcome indicate that geomagnetic field and testing environment have momentous effect on testing outcome, that specimen should be laid transmeridionally as soon as possible while testing and that the swing value and crossing zero line of metal magnetic memory signals before and after fatigued specimen cracking will change or move

    理論分析和實驗結果表明：地磁場和檢測環境對檢測結果會產生較大影響，檢測時應盡可能將試件東西方向放置；疲勞試件斷裂前後的磁記憶信號的幅值和過「 0 」線將發生變化。
  12. Standard lamp and diffusers are very important calibration elements, in chapter three, first uv and vuv radiometric standard for calibration are introduced. then the fabrication and characteristics of baso4 diffuser and alminium diffuser are researched, the baso4 diffuser ' s hemispheric reflectance and bi - directional reflectance distribution function were measured and compared with lambtian surface, and the deviation from that of lambtian surface is given. in the experiment, al diffuser ' s brdf is researched, obtain the change of spectral characteristic of al diffuser, compare al diffuser ' s brdf before and after coated with al + mgf2, and different al diffusers with different surface roughness

    鋁漫反射板作為一個漫反射光學元件安裝在太陽紫外光譜監視器的入射狹縫前，太陽紫外光譜監視器在軌測量時，太陽輻射入射到鋁漫反射板后進入入射狹縫，光譜輻照度的角度是變化的，本章測量了鋁漫反射的相對雙向反射分佈函數，研究了鍍膜（ al + mgf _ 2 ）前後光譜反射率的變化，漫反射的光譜特性及漫反射板表面粗糙度對相對雙向反射分佈函數的影響，使得測量數據反演成為可能。
  13. Thirdly, it contains detailed descriptions of the experiment and data analysis, which includes three parts : 1 ) vocabulary test comparison for the experimental class and the control class ; 2 ) comparison of investigation into schematic association before and after the experiment for the two classes ; 3 ) comparison of high and low score students with their investigation scores before and after the experiment

    數據分析和討論共分三個層次： 1 ）實驗班與控制班詞匯前測與詞匯后測成績對比； 2 ）實驗前後兩個班對詞匯進行圖式聯想記憶的調查成績對比； 3 ）實驗后高成績與低成績學生和他們的圖式詞匯聯想記憶調查成績對比。
  14. This study employs the experimental designing mode of the experiment - group and the control - group before and after experiment training, and uses " a training program of thinking strategy in chemical calculation problem solving " which is published by ourselves. the experimental objects includes the students of the three grades in six senior middle schools. the experimental training time is about 10 weeks and one hour per week

    本研究採用實驗組與控制組前後測實驗設計模式，運用自編的《高中化學計算解題思維策略訓練教程》 ，對6所中學的高中一年級、二年級和三年級學生進行為期10周，每周一個課時的訓練。
  15. ( 4 ) the modal information of beam before and after weighting is get through experiment. the damping matrix of the structure is also identified based upon the algorithm deduced in the paper

    （ 4 ）對配重前後的彈性地基梁通過模態試驗獲取模態信息，並根據文中推出的識別阻尼矩陣的演算法對阻尼矩陣進行了識別。
  16. This paper studies rock conductive mechanism through litho - electric experiment and waterflood litho - electric experiment, describes the lithology, petrophysical property and electric property of reservoir before and after watered - out, and proposes to identify watered - out zone by relative resistivity

    摘要通過對巖石導電機理的研究，即巖電參數實驗和水驅巖電實驗，描述了水淹前後儲層的巖性、物性及電性變化特徵，提出電阻率相對值法識別水淹層方法。
  17. Review on the policy background of “ returning grazing - growing project ” in this thesis, and then describe the deterioration circumstance and reasons of prairie with the researched fruits from foreign and our country and summary the project implementation circumstance ; secondly, analyze the project effect through compare the ecology condition effect before and after the project implementation ; analyze the problem existing in the project implementation with the theories of grass - animal balance and game and willing demand. the “ returning grazing - growing project ” made certain fruits and experiment on the whole since the project implementation in inner mongolia region ; but there also exist some problems ; then put forward the following measurements in order to help the project implement successfully

    本文以國家「退牧還草」政策為背景，在國內外相關研究成果的基礎上，結合對內蒙古草原生態退化狀況及原因進行分析，對內蒙古「退牧還草」工程實施狀況進行了總結;將項目實施前後草原生態狀況、牧民生產生活狀況加以對比分析，並綜合運用意願需求分析、博弈論以及草畜平衡理論，以探討內蒙古「退牧還草」工程的實效與實施過程中存在的問題。
  18. Wash your hands before and after the experiment

    實驗前後請徹底洗凈雙手。
  19. Experiment and theories analysis express low shear walls the general occurrence shear to slice the breakage, before shearwalls " concrete crack, the wall plate concrete under takes the big part shear stress, exsist inclined pull lord should dint ; after wall concrete crack, wall plate the reinforcing bar undertakes the big part shear stress, so changes to suffer the mechanism originally, hence formation the inclined direction suffers to press the piece of with suffer to pull the reinforcing bar pull, press the resistance

    試驗及理論分析表明低矮剪力墻一般發生剪切破壞，在墻體混凝土開裂前，墻板混凝土承擔大部分剪力，存在著斜拉主應力；在墻體混凝土開裂后，墻板中鋼筋承擔大部分剪力，從而改變了原來的受力機理，於是形成斜向受壓構件（裂縫間混凝土斜壓柱體）和鋼筋的拉、壓抗力。
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