試樣進口 的英文怎麼說
中文拼音 [shìyàngjìnkǒu]
試樣進口
英文
specimen inlet-
There should be no dead volume connection between chromatographic column and sampler as well as outlet and detector, so as to prevent the test samples from spreading and influence the separation
1色譜柱與進樣器及其出口端與檢測器之間應為無死體積連接,以免試樣擴散影響分離。In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。In order to verify these criterions, tensile experiments are carried out for many kinds of samples made out of plexiglas with a planar v - notch under mixed - mode of i and ii
為了檢驗上述脆性斷裂準則,用脆性材料pmma加工成多種型、 -復合型v型切口試樣,進行了拉伸破壞實驗。A test has been done in all ordinary middle schools and one working skill education center in the four districts of qingdao city, and also in some suburban middle schools. the test is by the way of statistics random sampling on different levels
以分層整群抽樣的方式,選取青島市市內四區的所有普通中學和一所勞技中心,縣市區的高科園3中、嶗山9中、嶗山黃山口中學、平度西關中學和膠州市教研室進行測試。Oil importers have also managed to improve their positions
石油進口商同樣試圖提升自己的地位。The subjects also underwent an oral glucose - tolerance test and an intraenous insulin - tolerance test
受試者同樣需要進行口服糖耐量測試和靜脈內胰島素耐量測試。The cracks extend along the matrix / strengthening - phases interfaces and form the cleavage steps and tear ridges. there appear some very small dimples on the fracture surfaces of the directionally solidified samples, which come from the nb - based solid solution particles in the big plates of the strengthening phases, but no dimples on the fracture surfaces of the as - cast sample. it can be concluded from above results that niobium - niobium silicide based in - situ composites ( rmics ) with a uniformly orientated microstructure can be produced by the ebfzm with high temperature gradient, and their mechanical properties can be increased
隨著抽拉速率的提高和硅化鈮強化相間距與尺度的減小,材料的室溫拉伸強度和斷裂韌性均有提高, _ b最高可達778 . 4mpa , k _ ( ic )達到了46 . 3mpa ? m ~ ( 1 / 2 ) ;試樣的拉伸斷口基本表現為脆性解理斷裂的花樣,裂紋沿基體強化相界面繞過強化相進行擴展,在裂紋擴展方向存在解理臺階,並形成撕裂棱。We take samples at import, wholesale and retail points for chemical, microbiological, radioactivity and toxicological tests to ascertain their fitness for human consumption
本署在進口批發及零售地點抽取食物樣本,進行化學微生物輻射及毒性測試,以確保這些食物適合人類食用。Food samples are taken at import, wholesale and retail points for chemical, microbiological, radioactivity and toxicological tests to ascertain their fitness for human consumption
本署在進口批發及零售地點抽取食物樣本,進行化學微生物輻射及毒性測試,以確保這些食物適合人類食用。Whether original asphalt or bituminous mixture, test findings proved that homemade heavy traffic asphalt was as good as import asphalt
試驗證明,國產重交通道路石油瀝青無論是從原樣瀝青還是從瀝青混合料來看,其品質都不比進口瀝青差。Taking 1951 ~ 2000 monthly rainfall data in the zhanjiang area as the time series and using the gaussian radial base function and a delayed input window chosen at 6, a new intelligent forecast system is developed based on radio basic function neural network ( rbfnn ) to predict monthly rainfall from 1991 to 2003
摘要以湛江地區50年來的月降水量為時間序列,利用高斯徑向基函數,選擇輸入窗口(時滯)大小為6 ,建立了一種智能型的徑向基函數神經網路預測系統,並分別對1991 ~ 2000年和2001 ~ 2003年的月降水量進行了測試預報和獨立樣本預測。The fracture surfaces of multiaxial fatigue specimens under proportional and non - proportional multiaxial loadings were observed and analyzed by using a scan electron microscope
摘要利用掃描電鏡對多軸比例和非比例載下的疲勞試樣的斷口面和外表面進行掃描觀測分析。The dcb ( double cantilever beam ) met hod to test the interlaminar toughness of fabric - reinforced laminates and the modified compliance calibration method ( mcc ) were adopted in this research. the double cantilever beam ( dcb ) test was executed for stitched laminates to evaluate the interlaminar fracture toughness. the stitch parameters ( stitch line spacing and pitch spacing ) were changed and their effects on interlaminar fracture toughness were examined by means of dcb test by using improved insert type loading fixture
試驗中採用改進的插入型夾具、雙懸臂梁dcb ( doublecantileverbeam )試驗方法,測試了載荷?試樣開口位移曲線,依據改進的柔度梁方法( modifiedcompliancecalibrationmethod ( mcc ) )計算出了各個試樣的層間斷裂韌性( r曲線)及層間斷裂韌性的平均值,闡明了縫合工藝參數與層間斷裂韌性( g _ ( ic ) )間的關系,以拉伸與彎曲強度為約束條件,以層間斷裂韌性值為目標優化了縫合工藝。Based on the theory of fracture mechanics, the relation between the critical stress intensity factors for v - notch kc and the plane strain crack toughness k10c and the brittle fracture criterion of the maximum circumferential stress for single and double stress singularity with the v - notch problems are proposed. experiments were carried out using two kinds of v - notched specimens made out of plexiglas to verify this brittle fracture criterion
本文基於斷裂力學原理,推導出了型切口的臨界應力強度因子k _ c與材料的平面應變斷裂韌度k _ ( 10c )之間的關系,給出了平面單奇異性和雙奇異性型切口問題的最大周向應力脆性斷裂準則,並用有機玻璃板材加工了兩種型切口試樣,進行了實驗驗證。The co - teaching experience with a foreign expert in speaking class is introduced : what we expect before the co - teaching, how we organize the co - teaching, and what we have gained through this experiment
摘要介紹了與外國專家在英語口語上課進行聯合教學的活動:對聯合教學的預期,怎樣組織聯合教學,通過這一嘗試的收益。" our exhaustive testing of amoy gardens found no genetic material or footprint of the sars related coronavirus in swabs taken from the affected apartments, the entrance between the units, the corridors, the roof, the ground floor and the sewer manholes
小組在淘大花園受影響的單位、單位之間的入口、走廊、天臺、地下及排污沙井抽取樣本,進行全面測試,並無發現引起嚴重急性呼吸系統綜合癥的冠狀病毒的基因殘餘。Method for the determination of dry matter content in ground sample of tea for import and export
進出口茶葉磨碎試樣干物質含量的測定方法Alkaline zinc - manganese battery is widely used all over the world it has good performance of storage , low cost , stable discharge and convenience of carrying the sealing of the battery is a crucial factor to the performance of the battery due to the disadvantages of present sealants , leakage of electrolyte often happens what ’ s more , the sealing capability affects the performance of the battery the way to raise the sealing capability is to search for a good additive , which can improve the sealing capability through adding according to chemical principles , this article picks out ptfe and nylon66 as additive adding ptfe or nylon66 into the pitch can improve the sealing capability of the pitch at the same time , the temperature , the time , the amount of addictive , the way to drop temperature and the time of churning all should be considered by testing the constitutions , softening point , moving degree and length of needle of various pitch samples , we can compare the properties of different sealants can be studied by using of x - ray, the constitutions of the pitch can be indicated which can help us to explain these changes this article includes : testing the constitutions , soften point , moving viscosity and needle penetration of various pitches ; raising the sealing capability by adding ptfe nylon66 into the pitches ; testing the constitutions , soften point , moving viscosity and needle penetration of raised samples ; analyzing and discussing the basic principles of this method it is showed that soften point , moving viscosity and needle penetration of pitches are increased by adding ptfe nylon66 and the discharge time , initial voltage , capacity of battery with pitch raised by nylon66 are good and get to the requirement of gb t7 1 1 2 in a11 the method proposed in this article is available in practical industry use
通過測定改進瀝青的軟化點、運動粘度和針入度等指標參數來比較不同的添加劑及不同的添加條件對瀝青封口性能的影響。本論文的主要研究結果為:系統測試了多種瀝青樣品的組成、軟化點、運動粘度、針入度;對市售瀝青分別添加聚四氟乙烯乳液、有機硅樹脂和尼龍66進行改進,制備了改進產品;對改進瀝青的組成、軟化點、運動粘度、針入度進行了測試和比較;使用改進瀝青組裝成電池並對電池進行恆電流放電測試、短路電流測試和電池漏氣、漏液性能的測試;對瀝青改進的原理進行了分析和討論。實驗結果表明:在瀝青中添加尼龍66和聚四氟乙烯乳液對瀝青的封口性能有明顯的提高;通過對工藝條件的不斷改進,目前的工藝條件已完全可以用於實際生產操作;以添加尼龍66改進的瀝青為封口劑組裝成的電池完全滿足堿錳電池生產的需要,且電池電容量、短路電流等指標均達到gb t7112標準要求;本文提出的改進方案,通過驗證是一種效果好、實用性強的方法。Advanced technical ceramics - mechanical properties of ceramic composites at room temperature - part 4 : determination of interlaminar shear strength by compression loading of notched test specimens
先進工藝陶瓷.室溫下陶瓷復合材料的機械性能.第4部分:用切口試樣的壓縮負荷法測定層間的剪切強度The cross - sectional morphologies of the samples were studied by sem before and after the fatigue tests. the effects of electric field characteristics and temperature on fatigue behaviors of the plzt samples were systematically investigated by performing a series of experimental measurements
同時,利用sem觀察了疲勞前後試樣的斷口形貌,並系統地進行了電場特徵和溫度對plzt試樣電疲勞性能影響的實驗觀測。分享友人