線生長速度 的英文怎麼說

中文拼音 [xiànshēngzhǎng]
線生長速度 英文
linear growth rate
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 生長 : grow; grow up; ascent; merisis; build up; auxesis; increment; overgrowth; gain; burgeon; bourgeon...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的動態進行了研究,結果表明:不同配置方式下它們的密、高、冠幅和物量基本不變或略微呈下降趨勢;油篙新梢的年動態呈s型曲,檸條新梢春季較快, 7月份以後緩慢或基本停止;檸條、油篙地上物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年植物人侵,並具有較高的植被蓋;同其它3個樣地相比,純油篙樣地1年植物的密、蓋物量明顯偏低。
  2. The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong

    這種混合優化演算法結合了共扼梯法和最下降法產搜索方向,既提高了共扼梯演算法的收斂,又解決了目標函數的等值是扁橢球時,最下降法下降緩慢的問題,具有收斂快、收斂范圍大、適應面廣等特點。
  3. Furthermore, referring to the literature and considering the specific experimental conditions given by the research, expression of the change of feed rate with time is presented, to obtain the linear growth of the diameter of pre - sintered glass beads, thus the distribution of beads size is relatively well controlled and raw material is spared in some extent. eventually, during the experiment discrete change of feed rate is implemented, and the practical changes of average diameter are plotted, then the results are compared with the theoretical calculated data

    另外,本文通過對造粒技術、燒結過程的大員文獻調研,結合本研究的具體情況,通過控制進料率呈連續性變化,基本實現了燒結前球坯直徑的變化,從而更有利於實際產中的產品粒控制以及做到節約用料,並在試驗操作中以離散型進料率變化來加以比較驗證。
  4. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的等溫結晶動力學過程,分析了在一定條件下,樣品體積收縮、晶體率變化、樣品厚變化和晶核數目變化這四種因素對高聚物在有限體積元中的等溫結晶過程的影響。
  5. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚與老化時間的關系符合拋物法則,金屬間化合物的對老化溫比老化時間更加敏感; cu - al金屬間化合物的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在界面周邊區域成了au2al和aual ;老化過程中cu - al金屬間化合物率比au - al金屬間化合物率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
  6. Bl21, the highest expression level was found at 12h after iptg induction. however, no significant difference was observed on the expression levels of cein between 12h and 6h after iptg induction. significant differences were seen between the carbon and nitro

    兩重組菌( pqe16 jm109和pqe16 blzi )的的對比說明,其及發展趨勢基本一致,但pqe16 blzi的更快,
  7. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙烯和性聚乙烯的結晶及熔融行為,發現支化聚乙烯的結構與性聚乙烯相同為正交結構,但晶格略有膨脹.支鏈的存在對熔融行為影響不大,兩種聚乙烯的熔點均隨結晶溫的升高而非性增加,表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響,主要是由於支鏈的存在降低了晶體的結晶率從而影響結晶過程,使得低分子量的支化聚乙烯的結晶行為與高分子量性聚乙烯的結晶行為相似而與低分子量的性聚乙烯不同.動力學分析表明,低分子量的支化聚乙烯的結晶方式的轉變溫比同等分子量的性聚乙烯降低了約20
  8. The burst size of the cyanophage was ca. 200 pfu ? cell " 1. the rate of adsorption to host was markedly higher under light condition than that under dark condition ( p = 0. 02 ), and light was necessary for infection

    此外,固體培養條件下,織藻的率與噬藻斑的擴大之間有明顯的同步性,即越大,噬藻斑的擴大就越明顯。
  9. Abstract : determined the power - time curves of the promoter bacteria of ganoderma lucidum for e. coli, using 2277 thermal activity moniter, a new experimental model of promoter bacteria growth were established. the growth rate constant and heat output at different concentration of ganoderma lucidum have been calculated. from - c and q - c curves the optimum concentration has also been established

    文摘:用熱活性檢測儀測定了天然藥物靈芝對大腸桿菌起促菌作用的熱功率-時間曲,並根據曲建立了細菌的新的實驗模型,按新模型計算了促菌作用下的率常數,發熱量及最佳促菌濃
  10. In this dissertation, two kinds of optimization, methods are proposed. firstly, only these linking weights corresponding to the control rules that affect the control performance significantly are updated in order to reduce the compute works and speed up the training progress. secondly, the updating step is adjusted adaptively in accordance with the error and the change of error of the system based on the t - s model to get better performance

    針對模糊神經網路控制器一般存在著在權值調整計算量大、訓練時間、過修正權值可能導致系統劇烈振蕩等缺點,提出了兩種模糊神經網路控制器的優化方法:在自學習過程中僅對控制性能影響大的控制規則相關的權值進行修正,以減小計算量,加快訓練;基於t - s模糊模型,根據偏差及偏差變化率大小動態自適應調節權值修正步,抑制控制器輸出的劇烈變化,避免系統發劇烈振蕩。
  11. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發了液化,液化的時刻和輸入加幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9地震烈的加幅值作用下可能產嚴重的液化;孔壓的增形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲形狀為上凹的曲;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲形狀為上凸的曲,且逐漸趨于穩定。
  12. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和流道中的流動規律,得到了喂料在流道中的場、壓力場和溫場,找到了流道徑比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲和喂料熔體平均充填與充模時間關系的曲,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動和壓力分佈,預測了注射件的成形質量,或可能產的注射缺陷及位置,優化了澆口設置。
  13. The above - ground biomass amount is between 11. 81 - 109. 15t / hm2. s. viciifolia hance has good funcjtion for soil and water conservation. at present, it is on the frontal stage of natural vegetation succession, the ground - diameter is keeping linear growth

    狼牙刺個體地徑隨年齡增保持直,立地條件的優劣對有重要影響,順序為: 14齡狼牙刺6齡狼牙刺17齡狼牙刺。
  14. The injection rate, injecting angle, wire length, preparing quality of the cored - wire, treating ladle, treating temperature, inoculation and so on are the key factors influencing the treating results, so must be strictly controlled

    、包芯加工質量、鐵液處理包、球化處理溫、孕育和入射角等因素都是喂球化工藝質量控制要點,是決定喂球化工藝成敗的關鍵,在產過程中必須嚴格控制。
  15. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一在都市捷運化與私人機動化的浪潮沖擊下迅沒落,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面加大加低地板車廂流型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿居民高的便利性,消除交通堵塞噪音及空氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。
  16. Through the analysis of the relevant historical data from the year of 1952 to 1995, the paper presents the increasing trend 、 characteristics and present situation in the height and weight of the youngsters in hunan and provides some reference material for promoting the growth and development of the people in hunan province

    通過對1952 1995年有關歷史資料的分析,發現湖南青少年身高、體重呈現加趨勢,增過程時間,增量大、快,增量年齡曲呈鐘形,但發育、成熟期前移,青年段停滯,瘦型體格增多。
  17. Experimental results show that the grains were gradually triturated to namometer size with milling time and the grain size might be 30nm or so, but the grain size was not decreasing after the powder has been milled for 25 hours. the nano - sized sic was synthesized by ball milling of si and c mixed powders which rare earths as a additive was added to

    結果表明:隨著時間的延,粉末逐漸細化至納米級,可以細化到30nm左右,但球磨時間超過25h后粉末顆粒繼續細化的明顯放慢,並且在球磨的過程因為晶粒細化和晶粒內部發了嚴重的晶格畸變,納米粉體x射衍射峰產嚴重寬化。
  18. At present, it is still in the middle stage of kuznets curve ; the differences of income in the interior of the east and the west are bigger than the middle, and they have been in the scope of income inequality which is regarded to be bigger by the international ; the phenomenon of " the club convergence " of income growth of the fanner between the east and the middle is obvious, but this can not appear between the east and the west, the west and the middle ; the differences in the interior of the high income area and the low income area are smaller than in the interior of the other areas in which the differences are increasing, this conforms to " the u " theory. by adopting theil model to analysis the general farmers incomes differences based on various regions, it is showed clearly that the farmers income inequality among different areas is the main reason to result to rural income differences. this part contents chapter 1, chapter 2 and chapter 3

    結果表明,無論從那個角來看,改革以來,我國地區間農民收入均呈現差異擴大的態勢,而且擴大的快,幅大,且目前仍處在庫茲涅茲所提出的「 u型」曲的中期階段;東部與西部地區內部各省之間收入差異較大,目前已進入國際上公認的較大不平等的范圍,而中部內部差異較小,目前仍處于合理范圍之內;同時農民收入增在東部與中部之間出現了新經濟增理論所揭示的「俱樂部收斂」現象,而這一現象在東部與西部、中部與西部之間卻沒有發;高收入與低收入水平區內部差異小,而介於中間收入水平的區域內部差異較大,且保持著較強的擴大趨勢,這一點基本上與「 u型」理論的結論相符。
  19. The results showed that drought stress at flowering stage delayed the date of the max filling - speed ( dmfs ), and weakened the rate of average growth ( rag ) and the max filling - speed ( mfs ), and then shorten linear dry matter accumulation phase and leveling - off of dry matter accumulation phase

    結果表明:花期乾旱導致玉米最大灌槳出現時間推遲、籽粒相對率和最大灌裝減弱、干物質性積累期和干物質穩定增期顯著縮短,乾旱結束后植株通過提高幹物質性積累期的持續時間和干重,以彌補前期乾旱的損失。
  20. By means of quantitative analysis, we accessed growth rate and film thickness of gan epilayer, and even determined in real time the thickness of buffer layer from in situ measurements of normal incidence reflectance

    通過對在位監測曲的分析,確定gan率以及外延層的厚,並利用監測曲實時標定緩沖層的厚
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