試樣增量 的英文怎麼說
中文拼音 [shìyàngzēngliáng]
試樣增量
英文
sample increment-
The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering
模擬結果表明,掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的熱應力,使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時應採用單向掃描策略。When the alumina fiber accounted for 10 %, the density of the composites was chiefly high and the fiber evulsion effect was reinforced ; when the alumina fiber accounted for 30 %, the fiber evulsion effect, fracture and bridge - connection effect were mainly strengthened, when the fiber proportion was 50 %, at the temperature of 1500 c, the bending strength reached 26. 11 mpa while the compressive strength was 79. 30 mpa
氧化鋁纖維含量為10和30的試樣增強機理不同,含量為10時,復合材料以基質密實度高、纖維拔出效應增強為主;氧化鋁纖維含量為30時,復合材料以纖維拔出、斷裂、橋聯效應增強為主。當纖維含量為50時,在1500下燒成,其抗折強度達到26 . 11mpa ,耐壓強度達到79 . 30mpa ,該復合材料可用作輕質保溫材料。: 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth
T44mpa m 『 q , sl lt52mpa in 』 」斷口分析表明,該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性;且隨氫含量升高,氫脆敏感性增加:在恆載荷的作用下,該合金裂二紋開始擴展時顯示的是韌性起裂;隨裂紋增長,試樣脆性斷裂的比例增大。Study on the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process using kaolinite as raw material showed that impurities introduced by kaolinite mainly increased the liquid amount at high temperature, which can assist sintering of specimen. the experiment results indicated that the samples with lower gahnite content had better sinterability than others. however, if the gahnite content was relative high, the promoting effect on sinterability caused by kaolinite was not significant
採用天然原料高嶺土二步煅燒合成剛玉?莫來石?鋅鋁尖晶石復相材料研究發現:天然原料中帶入的雜質主要是增加液相量,促進高溫下試樣的燒結;當尖晶石含量較低時,試樣在1300保溫2h時,在1600燒后試樣燒結性能相比之下較好;而當鋅鋁尖晶石含量較高時,天然料對試樣的促燒作用不是非常明顯。A two dimension small scale force sensor is developed which is used in the adhesion and friction tests, the sensor works well in the experiments. elastic modulus of nine different polyester / silicon rubber mixtures is tested, the results show that mixtures ’ elastic modulus increases with the aggrandizing of mass percentage of polyester. mixtures ’ adhesion abilitiy and especially mixture a ’ s adhesion - friction relationship are tested. these results provide experimental evidences for the fabricating of synthetic gecko hairs. lastly, a primary analysis of nanoscale hair modle is done, some hair preparation method is introduced, and the synthetic gecko foot hair fabricated by model moulding method is tested
測試九種不同配比聚氨酯/硅橡膠合成材料的彈性模量值,得出合成材料的彈性模量隨聚氨酯質量百分比增加而增大的結論;對九種合成試樣進行了粘著性能測試,對實驗結果進行比較分析和討論;對粘著力最大的a試樣進行粘著力與摩擦力關系的實驗,得出粘著狀態下a試樣摩擦力與粘著力成線性關系的結論。Xps showed that there were much chemical absorbing water on the ti _ ( 2 ) film surface which mainly existed in form of - oh, and the contents of - oh was increasing with the annealing temperature. hydrophilic property became better with the annealing temperature ; the essential relation between the changing of contact angle and light - induced - electrons and light - induced - cavities was studied in details. the photocatalysis of samples without heat treatment was very bad, but that of samples after heat treatment was much better
Xps的分析表明:試樣的表面含有大量的化學吸附水,主要以羥基的形式存在,隨著熱處理溫度的升高,吸附羥基的含量在增加;親水性能測試表明:隨著氧氣分壓的變化,其親水性能變化不大,隨著熱處理溫度的增加,試樣的親水性能在變好,並從理論上解釋了親水性能光照前後變化和光生電子?空穴對之間的本質關系。In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,
本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本,獲得訓練樣本的代價小,減少了測前工作量,同時診斷速度快,在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。In the macroscopical field : ( 1 ) the relationship between the moisture and the speed of average collapse was attained, that is, the speed of average collapse will increase with increasing of the moisture at first, but it will decrease when the value get to certain max with increasing of the moisture ; ( 2 ) the model of relationship between the pressure and the speed of average collapse was established on the basis of experiment. the conclusion of that the speed of average collapse bouncing increase with increasing of the pressure was attained and the relationship between stress and distortion was established ; ( 3 ) the method of synthetical evaluation for collapsibility loess under the effect of time, pressure and moisture was offered
在宏觀角度上: ( 1 )以遼寧阜新地區黃土試樣的固結試驗數據為分析對象,得到了黃土濕陷速率與含水量的關系曲線呈單峰狀態的結論,即黃土濕陷速率在土體浸水初期會隨著含水量的增加而增大,但當含水量超過某一數值趨于飽和含水量時,黃土濕陷速率卻隨著含水量的增加而減小; ( 2 )立了黃土濕陷速率與壓力之間關系的數學模型,得出了黃土濕陷速率隨壓力的增大而呈階越增長的結論以及阜新地區濕陷性黃土的本構關系; ( 3 )提供了在時間、含水量及壓力等因素共同作用下,對黃土濕陷性進行綜合評價的方法。The amount of nb3si / nb5si3 increases, their morphology tends to be more regular, their distribution becomes more homogeneously with the increasing of withdrawing rate. the microstructure is better oriented along the longitudinal axis of the samples when the withdrawing rate is between 0. 6 and 6. 0mm / min. at the same withdrawing rate, the microstructure changes from the beginning part to the ending part of the samples
鈮?硅基rmics材料原始鑄態組織由初生nb基固溶體和在其間分佈的nb基固溶體+硅化鈮共晶團組成;隨著抽拉速率的增大,定向凝固共晶組織中硅化鈮強化相細化、數量增多、分佈趨于規則和均勻,定向效果顯著;在相同抽拉速率條件下,區熔試樣的組織從起始段到終止段發生了改變。An efficient algorithm qais is proposed that uses the efficient method to reduce database access activity, and present a novel algorithm aiu based on this algorithm, it is fit for mining association rules and incremental updating. it is especially effective in vldb, mining long patterns, and high support. the perfermance of qais / aiu is verified on the basis of synthetic data, experiments show that the proposed algorithm can mine association rules more efficiently by not generating candidate itemsets and reducing the redundancy of frequent itemsets while generating association rules
然而目前大多數挖掘關聯規則的演算法往往必需多次掃描事務數據庫才能達到要求的目標,這樣重復性的數據庫存取動作將會導致過多的執行時問浪費在i o動作上,另外在頻繁集生成規則時現有的演算法沒有考慮到規則的大量冗餘,為了解決這個問題本文提出了一個不需要生成候選集同時有效的去除生成規則時產生大量冗餘的演算法qais ,來提高關聯規則生成的速度,並且在此演算法基礎上提出了新穎的關聯規則增量更新演算法aiu ,通過應用合成數據驗證了qais aiu演算法的有效性,由試驗結果來看這個方法確實能更有效且準確地獲得事務數據庫的關聯規則,尤其適合挖掘超大數據庫中高支持度下長模式的挖掘。The charging - discharging curves look like the letter " v " and have no flat plateaus due to the different sizes of the micropores. increasing the httmax, the micropores in ant samples become fewer and smaller, therefore the charging - discharging capacities decrease. when httmax = 2100, the charging - discharging capacity reaches the minimum since the number of the micropores reaches the minimum and the size of them become very small, the number of graphite crystallite in ant samples is still few and the size of them is also small
在htt _ ( max ) 2100的范圍內, ant試樣屬于亂層結構,石墨微晶尚未出現或數量很少,貯鋰機制為「孔隙貯鋰」 ,由於孔隙的大小不一,插鋰時克服阻力所需的電位也不同,因此充、放電曲線呈「 v 」字形,無平穩的充、放電電位平臺;隨著htt _ ( max )的增大,試樣中孔隙逐漸變小、變少,充、放電容量也逐漸變小。At last, based on amsaa model, the sequential testing approach is presented by bayesian method, while testing analysis and evaluation in small - sample circumstances is taken into account. and the optimal sample size is evaluated in given testing circumstances
最後,在amsaa模型的基礎上,結合小子樣試驗分析與評估技術,利用貝葉斯方法建立了可靠性增長的序貫試驗方法,並對給定條件下試驗的最優樣本量進行了評估。For poly ( vinyl acetate ) based lpas, it seemed that lpas with higher molecular weights worked better than that with the lower molecular weights and lpa with low molecular weights need high concentration for good shrinkage control
對于聚苯乙烯類的lpa - c ,試樣收縮控制效果隨著lpa - c濃度的增加而增強;對于聚醋酸乙烯酯類的lpa ,分子量較高的lpa比分子量較低的lpa的收縮控制效果好;分子量較低的lpa若要達到較好的收縮控制效果則需要較高的濃度。After determining the properties of the enzyme x - 22, white lime and fly ash, and testing the functions of the stabilizers, both single and together used, the most fitful mix ratio is determined. and then all kinds of the performance are tested and satisfy the requirement of the specification. the mechanism of stabilization and the strength creasing of the mixture are studied with the help of the results of xrd and sem photos
在定量實驗中,確定了堅土酶、熟石灰、粉煤灰的含量,對其單獨作用和復合作用進行了測試,並且最終確定了穩定混合料的最佳實驗配比,然後在最佳配合比情況下測定混合料的各項指標,滿足規范提出的要求,並結合x ?衍射( xrd )和掃描電鏡( sem )分析,闡述了試樣的穩定和強度增長機理。The results show that, with the quenching temperature ( 270 ~ 380 ) increasing, the carbon content and percentage content of retained austenite increase first and then decrease, which are up to a maximum value at 360 ; the tensile strength of adi decreases ; the elongation and impact ductility of adi increase first and then decrease, which are up to a maximum value at 360 ; but the hardness of adi decreases first and then increases, which is up to a minimum value at 360
結果表明,在試驗溫度范圍內( 270 ~ 380 ) ,試樣中殘余奧氏體的含碳量及其含量隨著等溫淬火溫度的升高先增大后減小,均在360等溫淬火時出現最大值;抗拉強度隨著等溫淬火溫度的升高而逐漸降低;伸長率和沖擊韌度隨著等溫淬火溫度的升高先增大后減小,在360等溫淬火時出現最大值;硬度則隨著等溫淬火溫度的升高先減小后增大,當360溫淬火時硬度最低。Abstract : with the graphite content adjusted, a friction performanceexperiment is carried on the iron - base powder alloy brake material sample. the results show that the graphite increases with the decrease of the strength and the static friction coefficient of the material, while the dynamic friction coefficient increases correspondingly
文摘:調整鐵基粉末合金剎車材料中的石墨含量,製成摩擦試樣進行摩擦性能試驗,結果表明材料中石墨含量增加,其強度會隨之下降,摩擦系數也隨之下降,而動摩擦系數則隨之上升。With the graphite content adjusted, a friction performanceexperiment is carried on the iron - base powder alloy brake material sample. the results show that the graphite increases with the decrease of the strength and the static friction coefficient of the material, while the dynamic friction coefficient increases correspondingly
調整鐵基粉末合金剎車材料中的石墨含量,製成摩擦試樣進行摩擦性能試驗,結果表明材料中石墨含量增加,其強度會隨之下降,摩擦系數也隨之下降,而動摩擦系數則隨之上升。The specimen spring rate increases, thus making it necessary to increase the mass size enormously to provide valid test results.
試樣的彈簧率也增加,因此必需大大地增加質量,以提供有效的試驗結果。The results showed that the effects of the experimental conditions and the preparation of specimens on contact angle were obvious. the additions of carbides to ti ( c, n ) solid solution could decrease contact angle of the system, the order was mo2c > tac > wc > vc > nbc, and the contact angle deceased continually with increasing the addition of other carbides or decreasing the ratio of tic in ceramics phase
研究發現實驗工藝條件及試樣制備都對接觸角有一定影響;在ti ( c , n )固溶體中添加其它碳化物能夠降低金屬ni對ti ( c , n )固溶體的接觸角,其對潤濕性改善的強弱依次為mo _ 2c tac wc vc nbc ,並且增加碳化物添加量或降低tic的含量能使接觸角持續下降。At the same time, the energy absorbed in the crack propagation phase decreases relatively that lead to overall energy absorption of the composites increases slightly, it is greater than 12. 89 %. by observing the appearance of the damage area, it can be found that the mode of damage is influenced by the interfacial shear strength. if the interfacial shear strength is low, fiber pull - out is the primary energy - absorbing mechanisms, whereas the dominant energy - absorbing mechanisms changes into fiber / matrix debonding and delamination when the interfacial shear strength is stronger
界面剪切強度增加后,材料的沖擊極限載荷有所增加,在裂紋起始區吸收的引發能增加較多,其中增強纖維經等離子體處理6分鐘的試樣所吸收的引發能增加了18 . 57 % ;由於裂紋擴展階段所吸收的能量相對有所下降,材料總的能量吸收能力雖有所改善,但增加不多,其中界面剪切強度增加最多的試樣,吸收的總能量增加了12 . 89 % 。分享友人