氧需要量 的英文怎麼說

中文拼音 [yǎngxūyāoliáng]
氧需要量 英文
oxygen requirement
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 需 : Ⅰ動詞（需要） need; want; require Ⅱ名詞1. （需用的東西） necessaries; needs 2. （姓氏） a surname
  • 要 : 要動詞1. （求） demand; ask2. （強迫; 威脅） force; coerceⅡ名詞（姓氏） a surname
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 需要量 : amount of needs
  • 需要 : 1. （應該有或必須有） need; want; require; demand; do with 2. （對事物的慾望或要求） needs
  1. For the same amount of carbon, there is twice as much oxygen as in carbon monoxide.

    同一份量的碳，所需要的氧的分量卻是一氧化碳的二倍。
  2. Since a carbon nucleus is six times more positively charged than a hydrogen nucleus, the cno cycle can only operate at the higher temperature and density provided by the more massive stars

    但因碳原子核帶的電荷是氫原子核的六倍碳氮氧循環需要只有質量大星體所能提供的較高溫度和壓力才能維持。
  3. As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

    坩堝移動式噴射沉積技術作為一種先進的材料制備新技術，在制備大尺寸合金及金屬基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙，顆粒表面存在一定量的氧化膜，顆粒之間未能完全達到良好的冶金結合狀態，因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝，即通過局部變形、多道次小變形累積實現大變形的緻密化加工方法，對噴射沉積多孔坯料進行后續緻密化和塑性變形，很好地解決了傳統加工工藝的難題，大大降低了生產成本。
  4. We have prayed for doctors who fell ill treating us who was needing to be intubated and ventilated - and they miraculously needed a lot less oxygen and did remarkably well

    我們替那些因要醫治我們而倒下的醫生禱告。有些要插喉管和使用呼吸機，奇妙地他們不再需要大量的氧氣，而且進展良好。
  5. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性，對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ，能有效抑制細菌繁殖，起到抗菌防臭作用；抗紫外線聚酯纖維的用途也是異常廣泛的，隨著大氣層中臭氧層的日漸稀薄，日光中的紫外線日益增加，對人體皮膚形成極大危害，尤其對于長期從事野外工作的人，因此設法減少紫外線對人體的傷害顯得尤為重要；阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維，紡織品阻燃在許多國家已有明確法令規定，我國也逐漸在某些特殊使用范圍做嚴格要求，如車船內用紡織品，高級賓館的內裝飾織物等，而且具持久性阻燃性的纖維和織物是現在更為需要的，真可謂用途非常廣泛；遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維，是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料，能吸收人體自身向外散發的熱量，吸收並反射回人體最需要的4 14 m波長的遠紅外線，促進人體的新陳代謝；抗紅外線纖維，則在軍事上有著重要的作用。
  6. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。
  7. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  8. Since then, the network has been used between local and us universities to support research projects which involve transmission of timely and large volume of data, e. g. weather information and dna data, videoconferencing and multicast programmes. to facilitate the development of next generation advanced networks in hong kong and to coordinate the development, a

    聯網后，本港及美國兩地的大學已使用這個網路支援研究工作，包括進行需要適時傳送大量數據的研究計劃，例如傳送氣象資訊脫氧核糖核酸dna數據視像會議，以及多途節目廣播。
  9. The future characterization and genetic analysis for candidate mutant were carried out and find that some candidate mutant ( such as roi30 doil - 1 doi0311131 ) have good phenotype by drought h2o2 aba - stressed treatment. at the same time we also observe the development of candidate mutant at different growth stages carefully. many modal difference between mutant an d wild type at the same period were found, such as more rosette layering fatty and big in leaves, advancment or delay for the flower period, rosettes living in the main stem, shorten in figure, the amount of seed little, sterilization etc. these physiological and modal changes may reflect with maladjustment in expressions of some gene and confusion on their inner control, . we will futher study concrete and detailed function mechanism

    我們對這些擬南芥侯選突變體進行進一步的鑒定和遺傳學分析，發現ro口口、 doil 、 doi口jlll3i等潛在突變株對aba 、過氧化氫及早脅迫有明顯表型，同時對潛在突變體的生長發育進行了詳細的觀察，發現多數潛在突變株與同條件下野生型比出現了許多明顯的形態改變，如:蓮座基葉增多、分層、肥大，花期提前或延遲，主莖生輪座，株型矮化，產籽量少，不育，敗育等，這些生理和形態上的差異很可能反映了它們內部某些基因的表達受到了影響、代謝調控發生了紊亂，具體和詳細的作用機制還需要進一步的研究。
  10. Compared with traditional oxygen detection methods, there are several advantages using this sensor : no oxygen consumption and reference electrode are needed ; no electronic current is needed and no disturbances happen if there is a magnetic field outside ; the intensity of the phosphorescence has n ' t relation to the stir and flow rate of the sample ; the response is rapid

    與傳統的測氧方法相比，它在測量過程中不消耗氧，不需要參比電極，不用連接電流，不受外界電磁場干擾，與樣品流通速率和攪拌速率無關，響應速度快。因此，近幾十年來，磷光傳感器的研究十分活躍。
  11. In order to predict the evolution of ozone on time scales of a few days to a week, monthly mean, as well as seasonal variations, reliable measurements of ozone distribution from space ( satellite - based measurements ) are needed

    為了預測臭氧總量隨時間的演變，需要對臭氧的分佈進行穩定、可靠的測量。相對于紫外遙感方法，用紅外方法測量的優點在於對臭氧總量的觀測不依賴于太陽輻射的後向散射，不分晝夜的限制，在白天和夜間都可以進行觀測。
  12. Quicklime with a high content of available lime, i. e. a low content of residual co

    含高成分有效石灰的生石灰，即低含量的殘留二氧化碳和其它雜質是需要的。
  13. But the quality of its oxide is far from adequate for industrial devices. the devices need high quality of oxide film and sio2 / sic interface structure

    由於其氧化層的的質量還不能達到工業生產的要求，目前關于sic表面的氧化層質量以及界面態特性仍然需要大量研究。
  14. Instead it has to be manufactured by splitting water into hydrogen and oxygen, a process that consumes energy

    這種依靠人工的將水分離成氫和氧的過程也是需要消耗能量的。
  15. The oxygen content in the vent pipe of the equipment has to be checked for the concentration of o2 to get the required amount of nitrogen

    需要檢查設備放空管線中氧氣的濃度，來確定所需要的氮氣的量。
  16. And this biology reaction provides certain precondition for the cure of diseases. for instance, when magnetic field starts to do effect on human body, it will help to convey nutrition and oxygen to tissue cells of every part of the body as well as transmit waste made by tissue cells to the outside by expanding the blood vessel, speeding up blood current and improving blood circulation. as quite a number of diseases are usually caused by blood circulation disturbance, the magnetic field is able to satisfy the demand of tissue cells in both aspects, hence, cure the above diseases

    磁場雖然看不見，摸不著，但它是一種物理能量，物理治療因素，作用到人體后，在體內引起一系列生物學效應，而這些生物效應，為治療某些疾病提供了條件，舉個例子說：磁場作用到人體后，可使血管擴張，血流加快，改善血液循環，可以把組織細胞需要的營養物質氧氣送到全身各處組織細胞，又可把組織細胞的代謝廢物帶走，而不少病癥與血液循環障礙有關，磁場可以幫助「滿足」組織細胞的兩方面需要，與以上有關的疾病就可以得到治療。
  17. An optimal nutritional supplement needs to incorporate all five essential components ; vitamins, minerals, antioxidants, phytonutrients and trace elements

    良好的營養補充品需要有五大類必要營養成分的相互結合作用，即維生素、礦物質、抗氧化劑、植物性營養以及微量元素。
  18. 25 march 2003 - - supermassive black holes, notorious for ripping apart and swallowing stars, might also help seed interstellar space with the elements necessary for life, such as hydrogen, carbon, oxygen and iron, scientists say

    科學家們說，以吞噬恆星而聞名的超大質量黑洞和很可能也會產生生命需要的一些元素，如氫，炭，氧和鐵。
  19. However, the spray deposited preforms usually contain more than 10vol. % porosity that is a great disadvantage for the mechanical properties. in order to prepare full density products of high mechanical performance, the porous preforms must suffer densification process

    然而噴射沉積材料通常存在一定量的孔隙，顆粒表面存在一定厚度的氧化膜，顆粒之間未能完全達到良好的冶金結合狀態，因此需要進行后續緻密化才能獲得理想的組織和性能。
  20. As a new building material for reinforcement and strengthening, the supply and application of epoxy resin structural adhesive are more and more, but standard structural adhesive itself has the disadvantages such as worse working performance, low bond strength, brittleness, low elastic ratio. so it is necessary to modify the structural adhesive

    環氧樹脂建築結構膠作為一種加固修復的新型建築材料的需求量變得越來越大，應用的范圍也越來越廣，但目前環氧樹脂結構膠存在工作性能不好、粘接強度不高、脆性大、彈性模量較低等缺點，所以有必要對其進行改性研究。
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