比降因子 的英文怎麼說

中文拼音 [jiàngyīnzi]
比降因子 英文
slope factor
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  1. Millet and tobacco were transformed with the thrt ' e plant expression vectors. our observations with transgenic plants showed that the pf40 gene affected the growth of lateral shoots developing in the basipetal pattern early after floral transition. analysisd the transgenic plants showed the pf40 gene can reduced the apical dominance of both millet and tobacco

    測量結果表明pf40基過量表達的轉基生長素的含量低為對照的0 . 6 0 . 8倍,而細胞分裂素的含量較對照約升高0 . 2 0 . 35倍,生長素與細胞分裂素的值在轉基植物中改變明顯,低到對照的一半。
  2. Zircaloy - 4 sheet, which was cold - worked followed by recrystallization annealing, exhibits longer lcf life in the rolling direction than that in the transverse direction, and the fact that difference in lcf life between both directions becomes larger as the range of plastic strain becomes lower can be attributed to the texture effect, p - solution treatment deteriorates the alloy ' s lcf property because the treatment lowers the average value of alloy ' s schmid factors, and the subsequent annealing - treatment in a - phase range has a impact on the lcf properties, i. e. the subsequent annealing - treatment at 500 ? for 1. 5h results in better property than that at 750 for 1. 5h, which comes mainly from the fact that the alloy annealled at 500 for 1. 5h has lower amount of the precipitate particles than the alloy annealled at 750 for 1. 5h

    對于冷加工后經再結晶退火處理的zr - 4合金,軋制方向的低周疲勞壽命橫向要大。隨著_ p的低,兩個方向的低周疲勞壽命的差別相應增加,這是由於合金中存在織構的緣故。冷加工后經再結晶退火處理的zr - 4合金在固溶處理后,抗疲勞性能明顯低,這主要是由於固溶處理低了合金的schmid;固溶處理后在相區的退火對疲勞性能有影響,即500 1 . 5h退火的抗疲勞性能要優於750 1 . 5h退火,這主要與500 1 . 5h退火的合金中沉澱相粒的數量較少有關。
  3. As compared with the pressure of carrier gas, the subatmospheric pressure is more favourable condition to atomize the hydride, so the atomization temperature was lower ( about 650 )

    由於硒化氫的原化是在負壓下完成的,它將常壓或載氣壓力下更有利於氫化物的原化,而使硒化氫原化的最佳溫度低。
  4. Elevation of intracellular calcium ions may be partly induced by increased influx through sarcolemma l type - calcium channels. intracellular calcium elevation, on one hand, would activate calpain, a calcium - dependent cysteine protease that degrade the myofibrillar proteins and cause muscle atrophy ; on the other hand, result in activation of calcineurin which enhance the activity of mhc i promoter and inhibit a shift of mhc isoforms from slow to fast in soleus

    這樣,可能使得萎縮目魚肌細胞內鈣離水平升高,細胞內鈣離靜息濃度的增加一方面激活calpain ,增加收縮蛋白的解,使肌肉萎縮;草四軍醫大月卜祠成士學位論文另一方面通過激活鈣調神經磷酸酶,增加快型mhc基的表達,使骨骼肌肌球蛋白重鏈( mhc )發生由慢型向快型的轉化。
  5. The expression efficiency difference between ped5 and pcdhfrl, a vector utilizing cmv enhancer / promoter ( pcmv - ie ) for foreign protein production, was analyzed using human interferon - p ( ifn - ) gene and human secreted alkaline phosphatase ( seap ) gene as reporters. when analyzed in transient expression, ped5 showed a little more protein produciton than pcdhfrl. however, in continuous expression, when serum concentration was lessened to slow down cell proliferation, ped5 expressed 3. 1 times more reporter proteins than pcdhfrl, which implied that pef - io was less affected by cell cycle status in contrast to pcmv - ie, making ped5 a good expression vector for foreign protein production

    應用人-干擾素( ifn - )和人分泌型堿性磷酸酶( seap )基作為報告基,對含有巨細胞病毒即早期啟動( p _ ( cmv - ie ) )的表達載體pcdhfr1和ped5表達外源蛋白的能力進行了較,發現對于瞬時表達, ped5略好於pcdhfr1 ;在穩定表達中,通過低血清濃度,使細胞增殖緩慢,這時ped5表達外源蛋白的能力較pcdhfr1高3 . 1倍。
  6. The characteristics of this method are : a, directly counting cell number without the influence of the metabolic state of the cells ; b, discrimination of target cells from effector cells in cell - mediated cytotoxicity assay ; c, less treatment step, and free - radioactivity ; d, high sensitivity and reliability. 2, using the above assay, immunofluorescent labeled technique, and flow cytometry, the pbmc proliferation, apoptosis, necrosis, cell cycle, activation, cytokines and membrane marker were detected. the results showed that the number of pbmc reduced, but the activity of pbmc increased dose - dependently ; the reduction of cell number resulted from necrosis and apoptosis ; the supernatant of k562 cell lines were not able to block the cell cycle, but to promote it ; the ratio of t cell subset and the expression of thl and th2 cytokines increased

    結合以上創建的方法和免疫熒光流式細胞術,用k562細胞株可溶性分泌物(上清)對外周血單個核細胞( pbmc )進行培養以模擬體內微環境,然後分別從細胞增殖、凋亡、壞死、細胞周期、活性、細胞和表面抗原表達等方面進行研究,結果發現用腫瘤上清培養的pbmc細胞數量下明顯,但同時對其有激活作用,且呈劑量依賴性;細胞數的下主要是由細胞壞死和凋亡引起的,腫瘤上清對細胞周期沒有阻斷作用,反而略有促進作用; t細胞亞群例增加,並促進表達th1 、 th2細胞
  7. The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp

    結果表明:與純聚丙烯相,納米復合材料具有較高的動態彈性模量、損耗模量和復合粘度,力學損耗低,納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯;界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用,與聚丙烯相,納米復合材料的流動活化能提高約15 % ,結晶峰溫度提高10k左右。
  8. Here we managed to make cultured mice peritoneal macrophages be directly influenced by oligochitosan, and be stimulated by ifn - r before oligochitosan added, then measured the changes of gene transcription and translation level of both il - 1 and imf - a, respectively by methods of relatively quantitive rt - pcr and elisa. first, rt - pcr results showed that 18 hours was the most effective time and 40ug / ml was the most effective concentration of oligochitosan, then by the same method, confirm that 4hours is the most effective time and loou / ml is the most effective concentration of ifn - r stimulating. because ifn - r can enhance il - 1 and tnf - a gene expression of macrophages alone, so add ifn - r to microphages alone for 22 hours, then examined by rt - pcr, the results showed that il - 1 and tnf - a gene expression have no remarkable difference compared with the blank contrast group

    此外,由於ifn y單獨作用也可促進兩種細胞表達,故在巨噬細胞中加入ifn y單獨作用22h ,再經阿一pcr檢測,發現加ifn y的實驗組細胞的幾一lp和tnf a基轉錄水平與空白對照組相較無顯著性差異,可見,殼寡糖和ifn v對巨噬細胞il lp和tnf一口基轉錄水平的影響在作用時間上無一致性,在殼寡糖作用最適時間時,僅受ifn y刺激的巨噬細胞il lp和tnf q基轉錄己下至刺激前水平,此可以認為, ifn y的加入僅起到對巨噬細胞預刺激使之處于敏感狀態的作用,有利於增強殼寡糖對巨噬細胞的作用。
  9. Based on rain drop size distribution ( dsd ) data measured in qingdao, guangzhou and xinxiang, the radar reflectivity factor z for spherical rain drops, the radar reflectivity factor zh and differential reflectivity zdr for oblate ellipsoid rain drops have been calculated. the relation of reflectivity and rainfall rate for conventional meteorological radar and the relation of reflectivity, differential reflectivity and rainfall rate for multiparameter radar are regressed, the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed

    基於我國青島、廣州和新鄉地區雨滴尺寸分佈數據,計算了球形雨滴雷達反射,橢球形雨滴雷達水平極化反射和差分反射率,回歸給出了這些地區的常規氣象雷達反射雨率的經驗關系和多參數雷達水下極化雷達反射、差分反射率和雨率關系,並對其測雨精度和地區差異進行了較。
  10. It possesses not only the self - learning ability and adaptability, but also the function of self - adjusting factors. based on fuzzy set, neural network theory, the fuzzy control model and fuzzy neural network control model of multi variable system are presented. based on the automatic core - welding line of shop floor control system in yangzhou radiator plant computer integrated manufacturing system ( ys - cims / sfcs ), the fuzzy logic theory was applied to the controlling device and established the main heating room fuzzy temperature controller and finally was put into practical use

    本文採用了基於神經網路技術的智能pid控制策略,設計了一類具有自學習和自調整功能的神經元網路自適應pid控制器的結構及演算法;為解決結構不確定性的復雜多變量系統的控制,基於模糊集及模糊系統、神經網路理論,建立了多變量系統的模糊控制模型及模糊神經網路控制模型;針對揚州水箱廠計算機集成製造系統車間管理與控制系統( ys - cims sfcs )中的實際工程問題,設計和開發了散熱器芯烘焊自動線主烘腔溫度模糊控制器,解決了生產中長期存在的老大難問題,提高了產品質量,低了單產能耗。
  11. In the agricultural total output value internal structure, output value of forestry and animal husbandry occupy 80 % of it, and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure, the economical crop output value occupy 51. 18 % of it, and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure, the grass - eating animals output value ( including rabbit output value ) occupy 84. 55 % of it, thereinto, the rabbit output value occupy 66. 2 % of it, and realize operation of large scale ; enhance meat, egg and milk per person ( increase proportion of beef and mutton, reduce proportion of pig ), and reduce grain per person and oil plants per person, and enhance forest - coverage rate, source of manure index etc, and enhance ecological benefit

    到2020年時農業總產值達到了2000年的2 . 75倍,人均產值達2753 . 42元,是2000年的2 . 39倍,總產值內部,林業和牧業產值佔80 ,充分實現了優勢環境的開發利用;種植業內部,經濟作物產值佔51 . 18 ,突出了區域優勢(資源優勢)和特色農業(中藥材等)的發展;牧業內部,草食畜產值(含兔)佔84 . 55 ,其中兔產值占牧業產值的66 . 2 ,實現了規模化經營;提高了人均肉蛋奶佔有量(其中增加牛羊肉重,低了豬肉重) ,低了人均糧食和油料佔有量,同時還提高了森林覆蓋率、肥源指數等指標,從而提高了生態效益。
  12. The statistics show that the correlation of antecedent precipitation, lithology, landform, drainage density, drainage area, length and ratio of demotion of main river and four characteristics of low flow is very complex

    統計結果表明:流域的枯季前期水、巖性、地貌、流域面積、河網密度、主河道長度及其與喀斯特流域的枯水四特徵的相關關系異常復雜。
  13. In addition, the model of interaction of water and temperature between field water vaporization and soil water storage, temperature and millet weight is gotten by field trial. 2. the ammonia volatilizing of fertilizer is suit to the dynamic equation as y = a + bt, the coefficients in the equation are related to the kind of fertilizer, temperature and water content of soil, and the dynamic equation about ammonia volatilization including water and temperature and the is developed

    肥料氨累積揮發量符合零級反應動力學方程y = a + bt ,方程中系數與肥料種類、溫度和土壤含水量有關,碳銨a 、 b值均硫酸銨高,土壤含水量增大, a 、 b值低,溫度升高, a 、 b值增大,並由此得到含溫度或土壤濕度的肥料氨揮發動力學方程,並建立了含水、熱的肥料氨揮發水熱耦合效應動力學方程。
  14. The timing - and - quantitation precision injection of lpg was realized with high - speed lpg solenoid valve and a set of electronic control system, which was designed by the author and can flexibly control the gas supply system of lpg. based on the analysis of experimental data got by comparing the performances before and after the application of the set of equipment on lr6105q12 diesel engine, the effects of load, speed and replace ratio, etc on the emissions of smoke, hc and co of dual fuel engine were expounded. through optimization, the smoke emission was utmostly reduced and the emissions of hc and co were within the government restriction

    為此,本文通過對各個方案進行詳細較,選擇了電控多點順序噴射的供氣方案;利用高速lpg噴射閥和自己獨立開發出一套電控制系統對lpg供氣進行靈活地控制,實現了lpg的定時定量噴射,並把這套裝置應用到中國一拖生產的lr6105q12柴油機上,在對改裝前後的發動機進行大量試驗和分析的基礎上,闡明了負荷、轉速、摻燒素對雙燃料發動機的煙度、 hc 、 co等排放的影響情況,並且通過優化,最大限度地低了發動機的煙度排放,同時使hc 、 co排放限制在國家標準規定的范圍之內。
  15. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的相互作用隨頻率呈周期性變化,在振動頻率較低的情況下,樁的橫向相互作用也較低,當頻率趨近於零時,相互作用也趨近於零; 2 )樁的相互作用的幅值隨瑞利波入射角度的變化而變化,在= 0情況下幅值最大,且隨入射角度的增加,波動的周期明顯縮短; 3 )樁的相互作用的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的相互作用基本趨近於0 ; 4 )在頻率較低時,相互作用幅值隨樁土相對剛度的增加而顯著增加; 5 )樁頂固接可以有效地低群樁的橫向地震響應幅值,由瑞利波產生的群樁效應可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震響應是不同的,每根樁所在的樁位對其橫向地震響應有很大的影響;刀樁數的增加並不能減小樁的橫向動力響應。
  16. On the basis of collecting and processing many datum and materials. firstly. this paper analyzes main activities and cost constitutions of each stage of the life cycle of a fcs, and lay a foundation for later analysis and evaluation of system lcc. secondly, a basis method and usage range for estimating the system lcc are introduced. a multivariate linear regression model of pcs development cost and cost driven factor is built by use of the parametric method and supplies the base of cost estimation of newly - developed systems. thirdly, combine actual examples and make statistical analysis of lcc of a certain pcs developed by our institute, predict unhappened usage and service cost with grey prediction method, obtain proportion of each constitute to the lcc. forthly, according to actual conditions, use the fuzzy theory to overall evaluate efficacy of the fcs, fifthly, combimng our actual conditions, investigate specific measures of how to implement the life cycle cost management in our institute and put forward a new conception of developing web - based flight control system lcc management information system with pdm as the platform. at last, investigate important factors such as reliability and maintainability that may affect the life cycle cost of the fcs in detail, and put forward specific methods of lowering the life cycle cost of the fcs

    論文在收集和整理大量資料的基礎上,首先深入分析了飛控系統壽命周期各階段的主要活動以及各階段的費用構成,為以後系統壽命周期費用的分析和評價奠定了基礎;其次,介紹了壽命周期費用估算的基本方法和使用范圍,並利用參數法建立了飛控系統研製費用與費用驅動的多元線性回歸模型,為新研系統的費用估算提供了依據;第三,結合實例對我所研製的某型飛控系統的壽命周期費用進行統計分析,運用灰色預測方法對未發生的使用及維修費用進行預測,得出了該系統的壽命周期費用以及各組成部分所佔例;第四,根據實際情況,首次運用模糊理論對飛控系統的系統效能進行了綜合評價,構造了飛控系統系統效能模糊綜合評價模型;第五,結合我所實際,探討了如何在本單位實施加強壽命周期費用管理的具體措施,提出以pdm為平臺,開發基於web的飛控系統lcc管理信息系統的新構思;最後,對影響飛控系統壽命周期費用的重要素如可靠性和維修性等進行了詳細地研究,提出了低飛控系統壽命周期費用的具體方法。
  17. Molecular changes also are seen, such as increased production of cytokines and matrix - degrading enzymes

    我們也看到分水平的變化,如細胞和基質解酶的產生。
  18. It was found that the abnormal return rate was an increasing function of the turn - over rate of the group. it seemed to be ridiculous, but it was right because the turn - over rate was highly correlated with the fluctuation of turn - over rate beneath which was often the manipulation risk. even no manipulation existed, high fluctuation mean high risk that should be compensated with high return rate

    為了驗證這一猜想,於是引入了換手率、換手率波動、流通股例和規模,然後進行多素聯合回歸分析,發現流動性風險對超額收益率的貢獻最大,由換手率或者換手率波動性衡量的流動性風險可以解釋超額收益的60 ,而規模的作用大大下,甚至消失。
  19. Compared with farmland, the spatial distribution of orchard expressed very different characteristics. under continuous scale, distribution of orchard showed a regular pattern such as unevenness small scale : side length of the box was shorter than 8 cells - evenness small and moderate scale : the length was among 8 and 50 cells - unevenness moderate scale : the length was among 50 and 200 cells - evenness moderate and large scale : the length was longer than 200 cells ; human landscape transformation was the major impact factor of landscape changing, and a kind of moderate scale impact factor. the terrain was only a background impact factor ; during domestic landscape transforming in the working area, because the ecological maintenance value of two agricultural elements were not considered, their structural and functional equilibrium decreased gradually

    果園在中尺度區間的空間分佈與農田相表現出顯著的差異,連續尺度的空間分佈表現出不均勻小尺度:滑箱邊長小於8個像元均勻中小尺度:邊長在850個像元之間不均勻中尺度:邊長在50200個像元之間均勻中大尺度:邊長大於200個像元的變化規律4人為改造作用是景觀動態變化的主要驅動力來源,並且表現為一種中尺度影響過程,地形則為背景性影響素5景觀改造活動由於未能兼顧農業組分在區域生態穩定性維護方面的價值,兩種組分的整體結構和功能穩定性有所低。
  20. Different training algorithms, namely levenburg - marquart algorithm and the gradient - based algorithm with an adaptive learning rate and momentum, are compared in this paper. according to the engineering requirement, dimensions of idc can be designed using the trained ann model and ga

    將自適應調整學習率並加入動量的梯度下法和levengurg - marquart訓練演算法的訓練結果做了較分析,同時引入了性能函數的改進形式。
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