before-and-after test 中文意思是什麼

before-and-after test 解釋
輻照前後試驗
  • 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...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • 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 ...
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  1. The scientists monitored the patients " blood pressure, release of harmful hormones and other measurables that characterize heart failure. an anxiety test was done before and after the session. anxiety scores dropped 24 percent among patients interacting with a dog

    研究發現，那些和小狗互動的病人，其焦慮指數下降了24而只有志願者來訪的病人，其焦慮指數只下降了10那些既沒有見到志願者也沒見到小狗的病人，其焦慮指數沒有發生變化。
  2. “ before - and - after ” test an analysis of a country or region before and after the completion of a project

    「事前事後」試驗指在一個項目完成之前和完成之後，對一個國家或地區所作的分析。
  3. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗，研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律，提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法，並修正了復合地基承載力的計算公式。
  4. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗，研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律，提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法，並修正了復合地基承載力的計算公式。
  5. Comparison including the cracking, yielding and ultimate loads of the beam, load - displacement curve, envelop curve, the ductility and energy - dissipation capacity were made between the response of the specimens before and after strengthening. test results indicated that the yielding loads of the specimens after strengthening were improved from 12. 3 percent to 17. 2 percent and the improvement of specimens rehabilitated by jacketing was higher than that of the bonding steel plates one

    加固后試件破壞同樣發生在梁端，屈服荷載比加固前提高12 . 3 17 . 2 ，與粘鋼加固相比，加大截面法加固的試件承載力提高幅度較大；加固后試件的延性和耗能性能比加固前有很大的改善，其中以粘鋼加固的試件提高最為明顯。
  6. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。
  7. 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。
  8. The bone metabolism test of rats drinking brick tea liquor before and after defluoridation by serpentine

    蛇紋石降氟前後的磚茶水對大鼠骨代謝的影響
  9. Performance test and analysis of boiler feed water pumps before and after overhaul

    給水泵大修前後性能試驗及分析
  10. Before and after test the samples were studied by the scanning electorn microscope to analyze and make a comparison between the microstructures, to grasp and reveal the mechanism of the gold transportation deposition and enrichment

    本項工作選擇了該區的礦化圍巖作三軸高溫高壓試驗，並對試驗前後樣品進行掃描電鏡研究，分析對比微觀組織，研究主要賦金礦物遷移、富集過程，從而了解和揭示金的遷移和富集機制。
  11. Course contents ( containing practice period ) : introduction to the course ; basic function of cells ; breath ; blood ; blood circulation ; digesting and absorption ; energy metabolism and body temperature ; the excretion of kidney ; sensory organs ; nervous system ; endocrine system ; urogenital system ; physical constitution ; change of physiological function of human body in each sports stage ; lung ' s function measurement ; blood type test ; hemoglobin measurement ; auscultation of heart sounds ; measurement of blood pressure ; electrocardiogram measurement ; measurement of visual field ; measurement of body temperature ; cardiovascular function test before and after sport

    課程內容（含實踐活動） ：緒論、細胞的基本功能、呼吸、血液、血液循環、消化與吸收、能量代謝和體溫、腎臟的排泄、感覺器官、神經系統、內分泌、生殖、身體素質、運動各階段人體生理功能的變化、肺功能測定、血型鑒定、血紅蛋白測定、心音聽診、血壓測定、心電圖測定、視野測定、體溫測定、運動前後心血管功能變化。
  12. According to test results of two specimens of local transfer rc joint from inclined column to beeline - shaped wall under vertical static loads and results of corresponding finite element analysis ( ansys ), fundamental behaviors of the joint are achieved, which include paths of vertical load transfer before and after cracking, stress distributions, occurrence and development of cracks and final failure mode of the joint

    本文通過兩個鋼筋混凝土斜柱?一字形薄壁柱局部轉換節點在豎向荷載作用下的靜力試驗以及有限元分析，獲得了該節點的基本性能，其中包括開裂前後的豎向荷載的傳遞路徑、試件應力分佈，裂縫的發生、發展，及試件最後的破壞形態等。
  13. With high concentration of sds and elevated temprature （ 43 ） ， we succeeded in eliminating plasmids from ten strains of s. aureus which were isolated from the farms of beijing suburb. according to the sensitivity test before and after plasmid remoral ， we found that 72. 5 antibiotic resistance of s. aureus was mediated by plasmids ， and 27. 5 encoded by chromosome. the curing test indicated that the plasmids play an important role in coding the resistance to antibiotics

    從北京郊區雞場分離到10株耐藥性金黃色葡萄球菌，對這些菌株進行質粒消除，根據質粒消除前後的耐藥性檢測，發現耐各種藥物的抗性基因大多數位於質粒上，少部分抗性基因位於染色體上，由質粒介導的耐藥基因佔72 . 5 % ，由染色體編碼的抗性基因佔27 . 5 % ，說明質粒在決定對抗生素的抵抗性中起主要作用。
  14. Based on the researches at home and abroad, aiming at the application of dynamic consolidation in compacting loess embankment, this paper makes assessments and analyses of the concerned factors and provides the laws of dynamic consolidation dealing with loess embankment according to the large - scale model test indoor ; combined with tonghuang highway construction, field tests of dynamic consolidation dealing with loess embankment is carried out in the representative loess - embankment experimental sites and some regularities of loess before and after handled by dynamic consolidation is put forward by physico - dynamic property experiments and electron - analysis ; at last, the author makes a systematic analysis of information related and presents the applicable condition, compacting technique and checking method which applies to dynamic consolidation dealing with loess embankment on the basis of field tests and model experiments indoor

    本文在國內外資料調研基礎上，針對強夯法在黃土路堤壓實施工中的應用，對強夯處理黃土路堤的有關因素進行了評價分析，並通過室內大比尺模型試驗得出強夯壓實黃土路堤的規律；結合銅黃公路建設，選擇典型黃土路堤試驗段，進行了強夯壓實黃土路堤的各項現場試驗，通過物理力學性質試驗和電鏡分析得出強夯前後黃土料壓實體的有關規律；最後，在室內外各項試驗基礎上，對有關資料進行了匯總分析評價，提出了強夯處理黃土路堤的適用條件、施工工藝及檢測方法。
  15. 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。
  16. Their language abilities were compared before and after exposure to the game using a standard listening test

    在接觸這個游戲前和後用一個標準聽力測試對他們的語言能力進行了對比。
  17. In this paper, a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage, and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in, the response waves before and after the damage occurred were recorded to the computer. on the base of traditional spectrum analysis of signal recorded, the wavelet analysis was introduced and the program in matlab language was made. with the wavelet packet decomposition of the signal, the relations between the change of response signals and damage characters were gotten, a database for damage recognition was created

    本文結合儲能復合材料飛輪高速旋轉的工作特點，提出了一種在線檢測飛輪轉子損傷的方法，自主設計一套實驗裝置對模擬各種損傷的的試樣進行了測試，試樣損傷前後的響應信號被採集后存入計算機中；在對採集信號進行傳統的頻譜分析的基礎上，引入了先進的小波分析理論，利用matlab語言編寫程序，對信號進行小波分解，得到了信號變化和損傷特徵之間的關系，建立了一個識別飛輪損傷的數據庫；小波包分解得到信號對比圖和特徵向量，可以有效判定材料內部有無損傷和損傷的程度，結合頻譜分析等，可一定程度上判定損傷的類型，為儲能飛輪的安全運轉和智能化運作提供了決策依據。
  18. Because the friction force mainly influences the track precision and the orientation precision of the servo system, it should consider these two targets changes between before and after compensation. low - velocity ramp signal and step signal were chosen as simulation test signal

    由於摩擦力主要影響電液位置伺服系統的低速跟蹤精度和定位精度（即穩態誤差） ，所以要考慮補償前後這兩個指標的變化情況，模擬測試信號選為低速斜坡信號和單位階躍信號。
  19. The test run folder also contains the cleanup scripts that are run before and after tests are run, as described in

    測試運行文件夾中還包含在測試運行前後運行的清理腳本，這在
  20. Setup scripts and cleanup scripts run before and after test runs, regardless of the types of tests that are contained in those test runs

    無論這些測試運行中包含的測試類型如何，安裝腳本和清理腳本都將分別在測試運行前後運行。
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