正交因子 的英文怎麼說

中文拼音 [zhēngjiāoyīnzi]
正交因子 英文
orthogonal factor
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  1. This experiment passing to grope for the carbon source constitutes of the culture medium and using t. reesei rut c - 30 induced the expression of # - mannanase ( # - 1, 4 - mannan mannohydrolase ec 3. 2. 1. 78 ). in this experiment i put the constant carbon source ( lactose and locust bean gum ) in the foundation culture medium ( mandels nourishment liquid ) of t. reesei rut c - 30, then proceeded the variable carbon source ( dragon spruce fiber, com rush pith fiber, wheat straw fiber, wheat straw xylan, corn rush pith xylan, dragon spruce mannan ) to single factor, double factor, three factor, four factor and five factor orthogonal experiment. 1 determined the activity of p - mannanase using locost bean gum as substract by the 3, 5 - dinitosalicylic acid method, and observed the growing situation of the gernic at the end i selected the directions for the inducement expression of the # ? mannanase from trichoderma reesei rut - c30 that contained the dragon spruce fiber, wheat straw xylan, dragon spruce mannan

    在里氏木霉rutc - 30的基礎培養基( mandels營養液)中加入固定碳源乳糖和槐豆膠,然後將可變碳源(雲杉纖維、玉米芯纖維、麥桿纖維、麥桿木聚糖、玉米芯木聚糖、雲杉甘露聚糖)進行單、雙、三、四、五的里氏木霉rutc - 30培養實驗,並以槐豆膠為底物用3 , 5二硝基水楊酸法測定培養液中?甘露聚糖酶的活力。從而確定了酶活最高且菌體生長良好的含雲杉纖維、麥桿木聚糖和雲杉甘露聚糖的誘導培養基為最佳培養基,用該培養基培養的里氏木霉( t . reesei ) rutc - 30使其轉錄的-甘露聚糖酶( - 1 , 4 - mannanmannohydrolaseec3 . 2 . 1 . 78 ) mrna量能夠滿足rt - pcr的要求。
  2. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt化求解法,用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  3. This paper discusses the acid rinsing process in flax tow pre - treatment technology, and compares the influence degree among the three factors which are acid concentration, processing temperature and time in acid rinsing process by means of the unifactor experiment and orthogonal experiment, finally decides the optimized process

    摘要對亞麻短纖前處理工藝中的預酸處理工序進行了研究,採用單實驗及實驗,比較酸濃度、處理溫度、處理時間對預酸處理效果的影響程度,並得出最佳處理工藝。
  4. Impact factors on the bioremediation of oil in soil

    土壤石油生物降解影響實驗分析
  5. The results of the uni - factor experiments and perpendicular experiments show their best mechanic synthesizing craft as followed : nvp ( 10 % wt ), kh570 ( 20 % wt ), hema ( 70 % wt ), initiator ( 0. 2 % wt ), crosslinker ( 20 % wt ), reacting 20 hours under 80 c. the factors which influenced organic silicon modified pvp hydrogel soft contact lens material ' s swelling capabilities were researched, which included temperature, monomer content, ion concentration etc. the experiments showed the equation swelling content ewc improved with the increase of nw, droped with the increase of kh570 and ion concentration, improved then droped with the raise of temperature, and hydrogels got the least ewc at 45 c. experiment carried on todiscuss water dehydration mechanism of organic silicon modified pvp hydrogel soft contact lens materials, which showed dehydration process could be divided into evaporating stage and diffusing stage

    實驗結果表明, nvp ? hema ? kh570共聚物的機械性能最佳時,其合成工藝條件為: nvp用量10 (質量百分含量,下同) , kh570用量20 , hema用量70 ,引發劑aibn用量0 . 2 ,聯劑nmba用量0 . 2 ,反應溫度為80 ,反應時間16h 。討論了單體配比、溶脹溫度、離濃度等素對有機硅改性pvp水凝膠軟接觸透鏡材料溶脹性能的影響。實驗得出:水凝膠材料的平衡溶脹度ewc隨單體nvp含量的增加而增大, ewc隨kh570用量的增加而減小,隨離濃度的增大而略微降低,隨溶脹溫度的升高先稍微下降後有所提高, 45時平衡含水量最低。
  6. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4
  7. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  8. The author has done much research work in examining the functions of raw materials, as well as making graph analysis of the raw material. as a result, achievement have been made : ( 1 ) making sure of the standard factor and t he best mixture proportion, ( 2 ) finding out the best way of measuring the index of the high performance concrete, ( 3 ) the endurance of this high performance concrete and the volume stability have been experimented ; ( 4 ) the great economic and social benifit are obtained by cost analysis

    其主要工作進行了各種原材料的性能檢驗並做出相應圖表分析;對摻超細礦渣粉末的高性能混凝土進行試驗,確定了主要水平和最佳配合比;通過對高性能混凝土的耐久性試驗及高性能混凝土的體積穩定性試驗,確定檢測高性能混凝土耐久性指標的最佳方法及高性能混凝土的熱脹冷縮率和體積穩定性;通過對高性能混凝土的成本分析,確定摻超細礦渣粉的高性能混凝土其經濟效益和社會效益非常顯著。
  9. This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved

    第二章利用有機改性的溶膠-凝膠包埋方式,以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針,結合實驗方法探索了幾個重要素,如加水量、醇硅比、催化劑、添加劑等對成膜性的影響,制備了對水中鉛離有較好響應的傳感膜,其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,檢測限為3 . 6 10 - 8mol / l 。
  10. Aimed at developing a set of methods efficient in inducing the hairy roots with agrobacterium rhizogenes from trichosanthes bracteata voigt to meet needs for hairy roots for bioreactor culture research and application ; and also in order to investigate the roles of explants, agrobacterium rhizogenes, affecting factors and their magnitude and the underlying mechanism in the transformation, therefore to determine the optimum explants, pre - culture time, tested strain concentration, infection time, co - culture time, affecting factors and their effects working together and to obtain the optimum transforming condition by performing orthogonal test, this project was launched. with cotyledons and stems from trichosanthes bracteata voigt plantlets as explants, agrobacterium rhizogenes r1601 and r1000 as infection agents, transformation was performed using different methods and under various circumstances

    為了建立一種有效的誘導大苞栝樓發根的方法及其發根培養體系,以適合於發根生物反應器擴大培養研究和應用基礎的需要;本研究對誘導發根的外植體在發根農桿菌和環境等影響作用下進行發根的誘發及其可能的機理進行探討,從而找出用於發根誘導和培養的最佳外植體、預培養時間、發根農桿菌濃度、感染時間和共培養時間、誘導條件,並通過試驗得出優化的誘導條件。
  11. Based on multi - factor orthogonal designed field experiment, the ridge regression models of seed yield components and seed yield of the 6 grass species are founded through ridge regression analysis with big samples

    摘要採用多區組多試驗設計,通過大樣本嶺回歸分析求出6種禾本科牧草種產量與產量的嶺回歸模型。
  12. An experiment was conducted to study the effects of hot - pressing temperature on properties of wheat straw - plastic composites made from wheat straw and recycled polyethylene ( pe ) using isocyanate as adhesive through multi - factor orthogonal experiment and single - factor experiment

    摘要通過試驗和單試驗,以麥秸和廢舊聚乙烯塑料為原料,使用異氰酸酯膠黏劑壓制麥秸塑料刨花板,分析熱壓溫度對麥秸聚乙烯復合材料性能的影響。
  13. Based on the technical parameters, quality matter and character of polymeric materials and its products, the statistical method such as orthogonal array design, pareto diagram, histogram, significance testing, fuzzy mathematics have been used to carry out a series of study. by doing so, the inherence relationship and variance property, degree and reason of polymeric materials and its products have been obtained ; it could get better improved by adopting correcting measure

    本論文以高分材料及其製件的工藝參數、質量問題和質量特徵值為研究對象,利用實驗設計、調查表、果圖、排列圖、直方圖、控制圖、故障樹( fta ) 、顯著性檢驗、相關分析以及模糊數學評定法等多種統計技術方法,從不同角度進行了一系列探索性研究,得到了高分材料及其製件內在關系及變異的性質、程度和原,採取了糾措施並取得了較好的效果。
  14. The performance of vibration and movement of seedlings is validated in the whole vibration plate simulation. an orthogonal experiment is designed for analyzing the effect that the four parameters ( f, co, a, k ) act on horizontal and vertical velocity of seedlings

    首先驗證虛擬模型的振動性能與物理原型基本相符,進一步採用試驗,考察四個(激振頻率山、激振力幅值f 、彈簧剛度k及彈簧傾角)對缽苗推送速度的影響。
  15. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛
  16. 4. suboptimal fading ddf ( sfddf ) and suboptimal fading ukf ( sfukf ) algorithm can be obtained with the application of suboptimal fading ekf. suboptimal fading algorithm is an error compensative technology basing on the kalman filter orthogonality principle, which can greatly improve filtering precision and stability

    4 、把一種帶次優漸消的ekf演算法推廣到ddf和ukf演算法中,得到sfddf和sfukf演算法,次優漸消是一種基於kalman濾波原理誤差補償技術,它的引入較大的改善了濾波精度和演算法穩定性。
  17. However, when it was too high or too low, its influence became much weak. we analyzed also the relationship between temperature and the elements such as planting ratio, streets direction, and l / h. the result showed that : the temperature in w ~ e oriented streets was always higher than that in n - s oriented streets, with an average : 0

    對綠化率、街道走向、街寬與周邊建築高度比l h等進行分析的結果表明:株洲市夏日白天東西走向街區的溫度總比南北走向街區的溫度高,平均高0 . 6 ? 0 . 7 ; l h越小,兩者差值越大,最高時達1 . 4 ? 1 . 8 。
  18. The fungus age, enzyme system, osmotic stabilizer, ca2 + concentration influenced on the formation of the protoplast have been confirmed. the result show that 16 - 18hr fermention, 32 1. 0 % cellulase plus 1. 0 % snailase confected by pba ( phosphate blend ammonium chloride ) contant 0. 2 % ca2 +, acted 3 hr is optimal for the protoplast production of aspergillus. niger

    分別採用單法和實驗法考查,認為16 18hr菌齡的菌絲體, 32 ,用含0 . 2 ca ~ ( 2 + )的pba高滲緩沖液配製的1纖維素酶與1蝸牛酶的混合酶酶解3hr ,得到的原生質體數最多。
  19. In chapter 3, orthogonal factorizations of graphs, including [ 0, k1 ] m - factorizations orthogonal to a subgraph and orthogonal factorizations of bipartite graphs, is mainly studied

    第三章研究了圖的正交因子分解問題,主要包括與任意圖的[ 0 , k _ i ] _ l ~ m -分解和二分圖的正交因子分解
  20. However, after the actual survey, a factor analysis conducted on the items could not confirm the initial conceptual dimensions, instead, seven orthogonal factors with 48 items were extracted as follows

    但是,在實際調查之後,根據上述項目而進行的分析不能肯定原先的概念向度,反而得出七個正交因子,總共48個項目,詳列如下:
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