氫效率 的英文怎麼說

中文拼音 [qīngxiàolǜ]
氫效率 英文
hydrogen efficiency
  • 氫 : 名詞[化學] （氣體元素） hydrogen （h）
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays

    本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體，研究了在四倍體刺槐高頻再生體系的建立過程中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響；然後在得到高頻再生體系的基礎上，通過農桿菌介導法轉化甜菜堿醛脫氫酶（ badh ）基因，以gus染色組織分析為依據探討了影響轉化效率的各種因素，建立了高效、可重復的基因轉化體系，為四倍體刺槐目的基因的導入打下了基礎。
  2. To consider the efficiency of charge of the mh - ni battery, this method revises the ah - methods. the battery management system realized to compensates the charge efficiency through a constringent factor

    考慮到高比功率鎳氫電池的充電效率，該方法將一般的安時法加以修正，通過一個變壓縮因子實現充電效率補償。
  3. The results indicated that ： combination of urea and soda had very high effect of increasing the crude protein content in straw, combination of over 5 percent quick lime and urea had the highest efficiency, 4 times of that of the ammoniation method with 5 percent urea only

    結果表明：尿素與氫氧化鈉的組合對提高秸稈粗蛋白含量極為有效， 5 %以上的生石灰與尿素組合提高效率最高，為單純5 %尿素氨化法的4倍。
  4. Influence of hydrogen - air ratio on combustion efficiency for microcombustor

    過量空氣系數對微細腔內氫氣預混燃燒效率的影響
  5. The matrix of time and space for development of hydrogen energy system in china will instruct this work comprehensively, scientifically and objectively ; for beijing case and from all the aspects of energy, environment and economy, the best plan of hydrogen energy system about fuel cell vehicles is : hydrogen is produced by natural gas steam reforming in the central factory, then transported to the refueling stations in the hydrogen tube trailer by the trucks, and filled to the fcb using hydrogen gas

    這一工作應在燃料電池汽車氫能系統發展時空矩陣的指導下有計劃、有步驟地完成；燃料電池汽車在我國最早實現商業化的時間是2008年（奧運會） ，地點是北京，車型是燃料電池公共汽車。針對這一案例，綜合考慮燃料電池汽車氫能系統「從井口到車輪」全生命周期的能源利用效率、環境影響和經濟性指標，最佳的方案是：在集中制氫廠採用天然氣蒸汽重整制氫，用汽車將裝有氫氣的高壓氣瓶輸運到氫氣加註站，加註給以氫氣為燃料的燃料電池公共汽車。
  6. Preparing anti - reflective coating and hydrogen passivation are two key procedures in the process of high efficiency crystalline silicon solar cells

    減反射膜的制備和氫鈍化是制備高效率的晶體硅太陽電池的非常重要工序之一。
  7. 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。
  8. The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment

    計算中通量項採用ausm +通量分裂格式，氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型，碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型，得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數，其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。
  9. Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively

    指出了採用內部混合氣形成方式且高壓噴射的氫發動機，有利於提高充氣效率和壓縮比，從而改善發動機的動力性和經濟性；有利於擴展發動機正常工作的濃度范圍；並且有利於實現稀薄混合氣快速燃燒，從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。
  10. However, the refractive index will increase with the increase of the flow ratio of sifu / nhs, slightly increase with the increase of substrate temperate, and decrease with the increase of rf power. by measuring the passivation results of hydrogen plasma and sinx thin film, we found an evident improvement of minor carrier lifetime in polycrystalline silicon after hydrogen plasma treatment, although it has little to do with the annealing temperature and time. the hydrogen contained in sinx thin film can enhance the carrier mobility of monocrystalline silicon, but after annealing at high temperature the mobility turns down

    通過測試氫等離子體鈍化和氮化硅薄膜鈍化的效果，實驗還發現氫等離子體處理對多晶硅材料的少子壽命提高作用比較明顯，但是這種提高作用與處理溫度以浙江大學碩士學位論文王曉泉2003年5月及時間的關系不大；氨化硅薄膜中的氫對單晶硅的載流子遷移率提高有一定作用，但經過高溫處理后這種作用消失；氮化硅薄膜能提高單晶硅和多晶硅的少子壽命，具有表面鈍化和體鈍化的雙重作用；氫等離子體和氮化硅薄膜都能有效地提高單晶和多晶電池的短路電流密度，進而使電池效率有不同程度（絕對轉換效率0
  11. In comparison, the hydrogen fuel - cell vehicle is nearly twice as efficient, so it will require just half the fuel energy

    相較之下，氫燃料電池汽車的效率將近是兩倍，因此只需要一半的燃料能源。
  12. Carbon fuel cell is much more efficient than hydrogen fuel cell and its product carbon dioxide does not need further purification for commercial use and is easy for sequestration

    碳燃料電池的熱效率遠高於氫燃料電池，產物二氧化碳不須進一步純化就可工業應用或隔離存放。
  13. Compared to other types of internal combustion engines, diesel engines that are used more and more widely are more fuel - efficient, provide highest torque and pulling capability, are lower emitters of hydrocarbons and carbon monoxide, but diesel engines can emit up to 30 times more particulate matter than gasoline engines

    與其他類型的內燃機相比，應用越來越廣泛的柴油機具有更高的燃油效率、提供更大的轉矩和拖動能力，碳氫化合物排放低，但微粒的排放卻是汽油機的30倍以上。
  14. Seen in a broader context, even the supposed great advantages of hydrogen, such as the efficiency and cleanliness of fuel cells, are not as overwhelming as might be thought

    由更廣泛的層面來看，即使如燃料電池的效率與潔凈度，氫氣所擁有的優點，也未必如想像般所向披靡。
  15. Portable stored - pressure powder series extinguishers are effective extinguishing appliances, in which extinguishing gaent sodium bicarbonate and ammonium phosphate powder together with the driveng gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is fast and effective in extinguishing, light in weight, convenient and simple in operation, safe and reliable

    手提式乾粉系列滅火器是一種輕便高效的滅火器材，它使用磷酸銨鹽和碳酸氫鈉乾粉滅火劑和驅動氣體氮氣一起灌裝在全封閉的容器內，滅火時由氮氣驅動乾粉滅火劑噴射滅火，具有滅火速度快、重量輕、效率高、使用方便、靈活、安全、可靠等特點。
  16. In the second chapter, firstly, based on the analysis of theoretic cycle of hydrogen engine, the relations between state parameters in four strokes are established

    以氫燃料發動機的理論循環為基礎，進行了各工作過程狀態參數的計算分析，得出了描述理論循環動力性和經濟性，即平均指示壓力和熱效率的表達式。
  17. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括：菌種的影響，菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率；石油物質本身物理化學特性的影響，如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性；生存環境條件的影響，在接種入高效率的降解菌或利用土著微生物進行降解時，降解率受到生存環境中各種條件的影響，如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。
  18. The coproduction technology for the process integration ofgasification, hydrogenation and power generation is used to refine heavyoil, thereby not only reducing considerably the investment and operationcost improving the reliability and efficiency of operation of the entireplant, decreasing the discharge of harmful materials, but also enhancingthe flexibility of the refining unit and the oil field

    採用氣化、加氫、發電工藝一體化聯產技術對重油提煉利用，不但節省了大量的投資和操作費用、提高了整個工廠的運行可靠性和效率、降低有害物質的排放，而且提高了煉油裝置和油田的靈活性。
  19. The redox of v ( ) / v ( ), v ( ) / v ( ) couple on the graphite displayed one electron quasi - reversibility. it is proved that trace in3 +, sb3 + can inhibit cathodic hydrogen evolution during the charge process by increasing the hydro - gen overvoltage in addition that sb3 + is a stabilizing / kinetic enhancing ion. during the charge / discharge process, cross - mix and self - discharge rarely happened. the maximal energy density of the lab - level vanadium battery is 21 wh / kg. the capacity efficiency of the lab - level vanadium battery is as high as 94. 7 %

    釩電池充電末期，會發生水的電解反應，痕量銦離子的加入提高了析氫過電位，抑制了充電過程中負極氫氣的析出；銻離子的加入不僅可以抑制氫氣的析出，還提高了正極反應速率，增強了正極表面的穩定性。實驗中得到的最高質量比能量為21wh / kg ，充放電過程中僅有極少的交叉混合和自放電發生，自製釩電池的容量效率可高達94 . 7 %
  20. The system functions efficiently for nine months of the year, but demand in the winter months, amounting to 360 kwh or 14 per cent of the total, is supplied by the hydrogen storage system via the coaste heat of the fuel cell

    這套太陽能熱水系統一年中有9個月可以保證足夠的效率，但是在冬季，需要360度電或全年加熱熱水總能耗的14 %進行輔助加熱，這部分熱量由儲氫系統通過燃料電池轉換為電能時放出的熱量提供。
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