純量密度 的英文怎麼說

中文拼音 [chúnliángmìdù]
純量密度 英文
scalar density
  • 純 : 形容詞1 （純凈; 不含雜質） pure; unmixed 2 （純粹; 單純） simple; pure and simple 3 （純熟） skil...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  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生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生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年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  2. In conclusion, it is primarily described that the expectable social and economical benefits of this mis are great, and the design can be fulfilled smoothly. the difficulty of this thesis is : not only think about the coordination each other synthetically on workers, equipments, technologies, data and user ' s priorities, different project and different continuation day, but also must ensure that it is agility, controllable and safe when the data be transmitted on internet or intranet

    本管理信息系統強調是針對無形的數據信息產品（ gis等海量數據）的生產管理信息系統，不是單純的統計計算，還要實施嚴密的控制，除需要綜合考慮人員、設備、技能技術、權限、工程、工期在計劃調度統計方面的協調性外，還需要強調海量數據信息產品的原始數據、半成品、成品在網路上流動的靈活性、可控制性和安全性。
  3. The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db

    通過在裝置上做的兩種陰極的對比實驗，結果顯示:碳纖維陰極的使用，改善了電子束質量，使輻射微波的脈寬增加了30 %以上，輻射主瓣方向上的功率密度提高了3db以上，頻譜分佈較純凈，實現了微波的高效輸出。
  4. Gs115 can grow in a high density and produce heterologous proteins by secretion, which are in a high - level and easy to be purified

    其可高密度生長，外源蛋白呈分泌性表達，具有外源蛋白產量高、純化相對容易的優點。
  5. If the protective seal is not air proof or poor gas purity, it will also bring welding quality problems

    氣路有密封不好的問題，或氣體純度不高，也會引起焊接質量問題。
  6. Using mass flux controller ( mfc ), gas regulation system achieved accurate mix of two kinds of gases, steel bottle gas ( some compressed gas ) and zero air ( pure air ). for the sake of data transmission between dynamic air regulator and other equipments in the monitoring air quality system, normal digital interface ( rs - 232c ) make correlative role of communication interface so that automatic survey could be achieved

    本儀器採用國際先進的自動控制配氣原理，採用精密質量流量控制器（ mfc ）來控制鋼瓶氣（某種壓縮氣體）與零空氣（純凈無污染的空氣）的混合比來得到精確濃度的校準氣體，以便於對各種氣體監測儀進行高精度校準。
  7. In the hipib film deposition, high purity graphite was employed as target. relations between process parameters and the microstructure, as well as different physical properties of diamond - like carbon ( dlc ) film deposited by hipib ablated plasma were studied by adjusting the distance between target and substrate, which affects the intensity and ion energy of hipib ablated plasma, and the temperature of substrate in the film deposition processes. the mechanism of film deposition by hipib ablated plasma was explored also

    在薄膜沉積方面，利用高純石墨作靶材，調整薄膜沉積過程中的靶基距（燒蝕等離子體密度、離子能量）和基片溫度，研究實驗工藝對hipib燒蝕等離子體方法制備的dlc薄膜的微觀結構和宏觀物理性能的影響，探討了hipib燒蝕等離子體沉積dlc薄膜的成膜機理。
  8. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  9. While adding 1 % binder the preferable target was produced, and the density was 4. 89g. cm - 3, which was 88 % of the theoretic density of the licoo _ 2 with ar as the sputtering gas, the technics of rf sputtering to produce the licoo _ 2 film were studied systematically

    在冷壓燒結方法制備licoo _ 2靶材的過程中，燒結前添加了不同量粘結劑，就綜合純度和粘結性能兩方面考慮，加入1 %的粘結劑較為理想。所制備的licoo _ 2靶材密度為4 . 89g / cm3 ，達到licoo _ 2理論密度的88 % 。
  10. Western - blotting result demostrated rhpf4 had specific reaction with rabbit anti - hpf4 antibody. our system improve the expression level of r hpf4 by 80 fold compared with pt7 - 7 - r hpf4. after purified and renatured, r hpf4 prepared by our methods has bioactivity like wide hpf4. our study establish a stable base for further reseach of the h pf4 and provide a theoretics gist for modulative mechanism of eukaryotic protein expression in prokaryotic cells

    我們構建的rhpn原核高效表達系統經m page及凝膠密度掃描分析結果表明， rhpf4表達量占菌體總蛋白量的25 30 ，較原表達克隆pt7 7 rhpf4提高了近80倍，經快速高效的包涵體分高純化工藝和復性工藝， rhpf4具有野生蛋白活性。
  11. All vanadium redox flow battery is a new - style and environmentally friendly energy storage battery that has many characteristics such as instant recharge by replacing the spent electrolytes, discharged at large current density, really fully discharged ( 100 % ), increasing storage capacity easily, a theoretically unlimited life, sim - ple operation and maintenance. therefore, it is undergoing a exciting development and commercialization. however, there are still some questions to be solved during its commercialization, such as how to prepare highpurity vanadium electrolyte, to enhance its energy density and efficiency, to improve its charge / discharge performance. so it is very important for improving the perfoemance of vanadium redox flow battery and its commercialization to select adaptive electrode materials, to investigate the mechanism of the electrode reaction and to select some additives

    如何制備高純度的釩液流電解質、進一步提高釩電池的能量密度和效率，提高其充放電性能，是釩電池實用化過程中需要解決的問題。因此，選擇合適的電極材料，進一步探討釩離子的電極反應機理，研究釩電池在充放電過程的變化，適當選擇並探討添加劑對釩電池電行為和性能的影響，對進一步改善和提高釩電池的電性能以及釩電池的實用化具有重要的理論意義和實用價值。
  12. The dislocation - free, low defects densities crystal are acquired, in which the impurities concentration is decreased, their distribution are uniform, and the gaas crystal has high uniform and purity characteristics

    利用m - lec法可以消除單晶中的位錯，降低缺陷密度，降低單晶中的雜質含量，並能使雜質在晶體中的分佈均勻，得到晶體均勻性、純凈度都高的gaas單晶。
  13. By the analysis, it was found out that the key control factor determined the speed limit and storage energy was the poor transverse tension strength of the composites. therefore, if only fibers of high longitudinal tension strengths were used in the rim, high rotate speed and high energy storage density of flywheel rotor would not be achieved

    經過理論推導及程序優化比較，發現，影響飛輪轉子極限轉速和儲能量的主要控制因素，恰好是其復合材料輪環較為薄弱的橫向拉伸強度，因此單純地通過採用高縱向拉伸強度的高強碳纖材料來製造飛輪轉子，並不能得到期望的高轉速和儲能密度。
  14. After washing with reagent, adopt the newest purification technology source30rpc, sds - page and densitometric scan analysis, the result show that expression level is 90 % of total bacterial proteins. after renaturation, ifnr, hgfa, hgfb, hpk5 were purified by akta purifier chromatogram instrument, sepharose fast flow, ssphacrayl series gel, selecting optimize condition. finally establish a kind of high efficient purification model of recombinant proteins produced in escherichia coli as inclusion bodies, purification product purity > 98 %

    結論:總之，通過對發酵罐中重組工程菌各種培養因素的研究，建立了一種高密度、高表達發酵工藝體系，為重組蛋白的后續純化提供了大量、穩定的原料供應;通過對不同目的蛋白的色譜行為的系統研究，建立了一種高效穩定、快速簡潔、易於放大的包涵體重組蛋白分離純化體系。
  15. We are used to gain the detection efficiency by making the standard samples, because of the different source of the environment samples, the component and density and volume of the samples ca n ' t entirely match those of the standard samples, so it is very difficult to make the standard samples, thereby, in order to conquered experiment difficulty, this article has calculated the detection efficiency of hpge - spectrometer by existing monte carlo code

    但由於待測環境樣品的來源不同，其介質成份、密度和體積量可能相差很大，實驗上又難以製作各種各樣的標準樣品，採用蒙特卡羅方法可以比較容易地解決這些問題，對此，我們採用蒙特卡羅方法，研究了高純鍺譜儀對不同環境樣品的探測效率，解決了實驗上製作各種標準樣品的難題。
  16. In the radioactivity measure of the environment samples, hpge - spectrometer can expediently analyze the species and content of the radionuclide in the environment samples. those demands the detection efficiency corresponding to the different energy y - ray in the various environment samples

    在放射性測量中，採用高純鍺譜儀可以方便地分析環境樣品中放射性核素的種類和含量，但要準確地分析核素含量，需要準確知道各樣品中的各種能量射線的探測效率，通常由一定密度和樣品量的標準樣品來得到這一效率。
  17. The gas sources that we used are trimethylgallium ( tmg ) and 99. 9999 % purity nitrogen, which were fed into reaction chamber and resonance cavity respectively. the highly dense ecr plasma up to 1011cm - 3 was created in the resonance cavity and introduced to the next reaction chamber by the force of divergent magnetic field. consequently, gan thin film was grew on the substrate sapphire ( 0001 ) placed in the downstream

    實驗採用有機金屬三甲基鎵氣源（ tmg ）和99 . 9999純度的氮氣，在ecr - pecvd150裝置共振腔內電子迴旋共振吸收微波能量產生的高密度ecr等離子體在磁場梯度和等離子體密度梯度的作用下向下級反應室擴散，在放置於下游區樣品臺上的- al _ 2o _ 3襯底表面附近發生物理化學反應沉積成gan薄膜。
  18. The experimental results showed that there was a significant difference between root yield and sugar yield under different planting patterns, the root yield and sugar yield were increased by 36. 7 % and 39. 8 % respectively, and the net profit was increased by 1602 yuan per ha for two lines within wide row with paper - pot in comparison with the treat of direct sowing in normal row

    摘要試驗結果表明，在同等條件下，由於栽培方式不同，密度不同，塊根產量、產糖量差異較大，以紙筒大壟雙行為最好，甜菜塊根產量、產糖量比對照小壟直播分別提高36 . 7 % 、 39 . 8 % ，每公項純增效益1602元。
  19. Abstract : recrystallized in multiple solvent consisting of ethanol, low - carbon alcohol and water, antioxidant1010 was refined, and the main factors of affecting crystalliza tion including solvent, water et. al. were studied in the laboratory, and individua l delta - form crystals of antioxidant1010 with good stability, fast drying speed, hi gh purity, heavy bulk density, good flowability, low volatility was obtained

    文摘:在乙醇、低級醇a和水三元混合溶劑中，通過對抗氧劑1010粗品的重結晶精製研究，制備得到了純度高、堆密度大、流動性好、揮發份低、質量穩定、乾燥速度快的型抗氧劑1010 。
  20. In this paper we proposed a ev model of energy hybridization with high energy and high power for great acceleration and long ranges and improve the whole system properties

    為了獲得大加速度和長距離，同時改善整車性能，本文提出了一種高能量密度和高功率密度的混合能源的純電動汽車模型。
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