試樣平均 的英文怎麼說

中文拼音 [shìyàngpíngjūn]
試樣平均 英文
sample mean
  • : 名詞(古代占卜用的器具) astrolabe
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  1. According to the phylogenetic tree, the thirteen strains were grouped into four distinct pcr - rflp clusters, namely, coriaria group, myrica group, myrica - casuarina - alnus group and casuarinarmyrica group

    結果顯示弗蘭克氏菌種群內的遺傳多性較高,種群分化較大, 13株供frankia菌株每個位點的多性指數為0 . 4498 。
  2. In the years of errors and corrections respectively, through the empirical analysis on stockjobbing amount and price, it researches there ' s no difference on studied sample and control sample in appointed areas, and the investors of our securities business have no specially attention on these information. on the other word, we validate the corrections of accounting errors have no market conductibility. later, it analysis the reasons

    分別在會計差錯的發生年度和差錯的更正年度中,通過測和控制本的股票交易量、超額收益率和累計超額收益率在報表公布日前後各30天的時窗內的檢驗,說明我國證券市場的投資者對這類信息未予以特別關注,即我國上市公司的會計差錯及其更正行為不具有市場傳導效應,並進一步從理論上分析了這種現象產生的原因。
  3. The histologic lesions were characterized by the remarkable atrophy of intestinal villi, basal vacuolation of enterocytes, increment of the crypt and the villus - to - crypt ratio had significantly decrease. compared with that of noninoculated control chicks. besides. intestinal villi become thin and flat. or cubic, also accompanied with necrosis. many villous enterocytes were detached from the lamina propria and the lamina propria contained a diffuse infiltrate of lymphocytes, plasma cells, macrophages. the characteristic ultrastructural changes observed by electronmicroscope were swelled mitochondria and dilated endo - plasticreticulum. ribosome on the surface of endo - plasticreticulum fall off and the number of ribosome within the cell decrease

    動物回歸驗中接種兩周齡spf雞, 24h后陸續發病,表現為持續性水腹瀉;剖檢可見病雞脫水、小腸內有大量的液體和氣泡、腸粘膜變薄;組織學變化為腸絨毛上皮壞死、脫落,絨毛長度減少而隱窩深度增加,固有層中淋巴細胞浸潤。其臨床癥狀及病理組織學變化與自然發病相同。
  4. As was proven by the experiment, the average harvest indexes were 0. 62 for early rice and 0. 61 for late rice respectively at shaoxing, while 0. 57 and 0. 55 for fuyang, this means that a similar rice yield at fuyang would require larger amount of total dry matter production than at shaoxing

    驗證明,紹興早稻和晚稻的收獲指數分別為0 . 62和0 . 61 ,富陽的分別為0 . 57和0 . 55 ,這意味著同的水稻產量在富陽需要比在紹興更大數量的干物質生產。
  5. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  6. In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision - feedback equalization ( dfe ) algorithm and the decision - feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high - frequency ( hf ) radio channels for 8psk signial is realized

    本文利用軟體無線電的思想,提出了一種hf通道8psk信號低頻采數字化解調方案。討論了實現該方案的三個核心演算法:最大功率定時同步演算法、判決反饋式鎖相環和卡爾曼衡器,分析它們的基本理論,並進行了性能測
  7. In order to make clear the effects of fe3o4 on composite film structure, the thickness, porosity, average and maximum pore size, pore size distribution of different films are measured. surface morphology is studied by scan electronics microscope ( sem ). the characterizing results of film micro - morphology showed that pore structure of fe3o4 / pvdf composite film were better than those of pvdf host film

    為進一步分析fe3o4的原位生成對復合膜結構的影響,測定了pvdf基膜和復合膜的膜厚;採用干濕膜重法測了膜品的孔隙率;採用泡點壓力法流體滲透法相結合,對比測了膜品的最大孔徑、孔徑分佈及孔徑;通過掃描電子顯微鏡( sem )照片分析,對比研究了pvdf基體膜和fe3o4 / pvdf復合膜的表面形貌。
  8. The relative density of the sample has reached as high as 97. 4 % of fully dense. the mean micro hardness has reached hv496. 3. the fractography of the fracture section of the tensile sample was characteristic of dimple typically which indicated that the fracture belong to ductile fracture

    相對密度可以達到理論值的97 . 4 ;硬度方面由於激光立體成形工藝的特點,最後幾層的硬度比開始時的高,硬度達到了hv496 . 3 ;拉伸的斷口形貌具有典型的韌窩特徵,屬于延性斷裂。
  9. Experimental results show that after reducing the dependency of features, sa method works better. the most three important features of the license plate regions are obtained in the experiment and our algorithm is robust in filtering out false plate regions. in the module of binarization of license plate, based on algorithm of casda ( cluster algorithm based on spatial distribution analysis ) an improved quick binarization algorithm i - casda are proposed to get rid of the influence of the illumination

    運用本演算法對復雜背景的車輛牌照進行檢測,實驗結果表明,基於簡單融合運算元的檢測演算法得到的檢測率高, 80 . 36 (訓練本)和76 . 54 (測本) ,檢測速度為每幅圖象0 . 81秒,滿足實時性要求;區域寬高比、區域密度和區域寬度比率是車牌區域最重要的三個特徵;本演算法魯棒性好,可較好地排除相似紋理區域(如廣告牌等)的干擾。
  10. 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

    驗中採用改進的插入型夾具、雙懸臂梁dcb ( doublecantileverbeam )驗方法,測了載荷?開口位移曲線,依據改進的柔度梁方法( modifiedcompliancecalibrationmethod ( mcc ) )計算出了各個的層間斷裂韌性( r曲線)及層間斷裂韌性的值,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。
  11. Power transformer test is simulanted in test - room, try to prove that online measure of transformer test is feasible. the test results are satisfaction. in the end, there is software design : the instrumented - test - interface is developed ; location computer entering to sample state is the same time, and after the same " log time ", it stops the data sample note. every test signal data keeping in the data note memorizer is at the same time, so it realizes data synchronization collection. some blocking design in the process of software design can apply to the other software

    文章的最後,針對變壓器驗微機測系統對電流、電壓、功率等變量數據採集的特殊要求,分析了同步誤差的產生原因,給出了同步軟體采的無差條件;建立了電壓電流有效值和功率測量誤差的數學模型,提供了減小測量誤差的措施;應用「同步軟體采技術」 ,不需要增加采周期數,不需要硬體同步環節,較好地解決了同步誤差對測量精度的影響。
  12. After annealing at 600, because of formation of multi - vacancy - type defects that have long positron lifetime, positron annihilation average lifetime increased. when the average positron lifetime increased to maximum value ( 360ps ), the interstitial oxygen concentration decreased to minimum value ( 4 1017atoms / cm3 ). this result suggested that oxygen was involved in the formation of multi - vacancy - type defects

    正電子湮沒技術測證明,快中子輻照直拉硅中在大約600退火時產生的多空位缺陷具有較長正電子壽命,可以使正電子壽命增加,當品的正電子壽命達到最大時( 360ps ) ,其間隙氧含量降到一個極小值( 4 10 ~ ( 17 ) atoms / cm ~ 3 ) ,這說明氧參與了這些缺陷的形成。
  13. Radar target recognition by a logarithm bispectrum - based method is simulated and studied. it is discovered that the more test samples that generate the subrangeprofile of logarithm of averaged bispectrum are, the higher recognition rate is. and using phase information is a key to obtaining high recognition rate. all of these methods are proved by experiments on simulated data and real data of planes

    4 、對基於對數雙譜特徵的目標識別法進行模擬實驗,研究了該演算法的識別性能和用於求雙譜對數子像的測本數之間的關系,該測本數越多識別率越高,同時研究表明利用相位信息是該演算法得到較高識別率的關鍵。
  14. The nutrient potassium of water - soaking solution for two kinds of coatedcompound fertilizer was determined by atomic absorption spectrophotometry, in which the recovery rate was 107. 89 % for 6 samples and the correct, sensitive and quick potassium is provided for the formula design and release feature research of coated compound fertilizer

    摘要用火焰原子吸收法,對兩種復合肥料及其包膜肥料水溶出液中的養分鉀進行了測定,測中的6個回收率為107 . 89 % ,為包膜復合肥料配方設計和釋放特性研究提供了準確、靈敏、快速的定鉀方法。
  15. In training process, we use kernel - based fisher discrimination analysis ( kfda ) method to train the input sample vectors. the method has been used in face recognition and has been demonstrated better recognition capability than other methods ( pca, kpca, svm ). we calculate the optimal subspace wopt and project the sample gait sequences to wopt, then get the tracks of the sequences, calculate the track centroid and calculate the exemplar projection centroid of the sequences in the same class, and the exemplar projection centroid represents the class template. to test the class of a gait sequence, we also project the test sequence to the eigenspace, and calculate the track centroid, then calculate the euclidean distance of the test sequence tracking centroid with the sample sequences ’ exemplar projection centroids. and the class which the test sequence belongs to is the one that the sample sequence which the euclidean distance is shortest belongs to

    該方法在人臉識別的研究中已有採用並在同條件下取得比其他識別方法更好的識別性能。採用kfda方法取得最優特徵空間wopt ,把步態本序列映射到wopt中,取得本序列在特徵空間中的軌跡,計算軌跡質心,把同類本序列的軌跡質心進行求得該類的標本投影軌跡質心,作為該類的模板。在識別時,將測序列也投影到特徵空間中,取得序列軌跡質心,對測序列軌跡質心與本的標本投影軌跡質心計算它們的歐氏距離。
  16. There are statistically significant differences in the average ridge separation between certain samples.

    某些隆起部分的間距,有統計上的顯著差異。
  17. In samcluster system, the following cluster methods including hierarchical cluster analysis. k - means, and self - organizing map ( som ) and the feature selection methods based on coefficient of variation ( cv ) and simple t - test were integrated. to evaluate the performance of the samcluster system, the samcluster was applied to four expression datasets colon, leukemia72

    在samcluster系統中,整合了下列聚類演算法:譜系聚類、 k -值聚類和自組圖聚類與變異系數計算和t -檢驗等基因變量選擇方法,並提出了一致的本分型概念,通過對四個基因表達譜的數據集colon 、 leukemia72 、 leukemia38和ovarian的測,結果表明:誤判的本數分別為5 、 1 、 0和0個,因此,基因水本分型與本的臨床分型高度一致。
  18. The mechanical property of the test sample was improved through heat treatment further. after heat treatment process, the primary strengthening phase y " increased both in the quantity and size. the quantity of phase y " increased to 45 % and the size of them became more uniform ( about 100nm ) as the test sample experienced heat treatment

    為了提高成形件的力學性能,對進行了熱處理,經過熱處理后,的主要強化相相無論是數量還是尺寸都有顯著變化,數量經過熱處理后增加到45左右,原始尺寸從大小不等到經過熱處理后更加勻,尺寸為100nm 。
  19. Configuration settings for the domino 6. 5 and domino 7 tests were similar, with the main difference being that with domino 7, we could reduce the number of cluster replicator tasks from eight to six, and still meet the benchmark goal of keeping the average cluster replication queue time under 15 minutes

    Domino 6 . 5和domino 7測的配置設置很相似,最大的不同是對于domino 7 ,可以將集群復制器任務數目從8減小為6 ,這仍然可以達到保持集群復制隊列時間在15分鐘以內的基準測目標。
  20. By analyzing group of data, appropriate statistics, such as distribution and average of activity duration, distribution and average of project duration, etc were gained which can be used to determine a reasonable and executable schedule considering influence of random factors

    運用這些模型在計算機上進行模擬驗,得到一組工作時間參數的本值,通過對這組本值的統計分析,得到在隨機因素影響下工作持續時間的變化趨勢和值、項目工期的變化趨勢和值等參數值,從而為科學地進行進度管理提供依據。
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