極環 的英文怎麼說

中文拼音 [jíhuán]
極環 英文
polar ring
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  1. Limit cycles ; differential systems ; abelian integrals

    極限環微分系abel積分
  2. Facing the new environment of wto, how to participate in the aboil competion market and how to use the scientific theory and technique to bid as a chinese construction enterprise is a very important and exigent research subject

    面對加入wto的新環境，我國施工企業如何積極參與市場競爭、依據科學的理論與方法進行工程投標，是一項非常迫切和重要的研究課題。
  3. This article introduces the corrosion harm of hydrochloric acid mist to the surrounding environments around desalinated - water stations, reasons for the production of acid mist and some corresponding preventing and controlling measures such as rebuilding the acid storage tank, airproofing the neutralization pond, correctly configuring the acid mist absorber and strengthening the management of unloading installations

    摘要鹽酸酸霧對除鹽水站周邊環境的腐蝕危害極大，分析了酸霧大量逸出的原因，並從鹽酸貯罐改造、中和池密閉運行、合理配置酸霧吸收器以及加強卸車環節管理等方面提出了相應的防治措施。
  4. This was no passive belief, but an active weapon which they flashed at more convenient places of business

    這並非是一種消極的信仰，而是一種可以在比較方便的業務環境中揮舞的積極武器。
  5. This demonstrated that the adaption ability of adiantum reniforme l. var. sinense y. x. lin is very strong

    說明荷葉鐵線蕨對環境的適應能力很強，具極強的生活力。
  6. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程，運用數學上的拉格朗日條件極值求解法，建立最優化數學模型，求出環矩形負壓吸附導軌的結構參數的比例情況，並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。
  7. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構，可溶巖造壤能力低，巖溶水空間分佈不均、地表地下水關系密切、水源易漏失，偏堿性環境、生物資源集聚程度低，植被逆向演替快、順向演替難，巖溶地質與生態環境十分脆弱，受到人為因素的影響和破壞，極易產生石漠化、土壤侵蝕與退化等一系列問題。
  8. The antarctic circumpolar wave : a combination of two signals ?

    南極環極波： 2個信號的合併？
  9. The ultrastructure of the merozoites of eimeria tenellawas observed and discribed. the pellicle consist of two layer membranes, the outer membrane was a continous covering enclosing the whole merozoites, while the inner pellicular complex is interrupted at the anterior and the micropore, and thicken to form the polar ring and micropore. there are 24 microtubules under the pellicle of the merozoite which originated from the polar ring, all of them are connected with the polar ring, and extend alongside the inner pellicular complex to the middle of the merozoite. the head of the merozoite consists of a conoid, an apical vesicule and polar ring. the conoid is a hollow truncated cone. the conoid and spical vesicule can stretch and contract. there are three or more rhoptry and a lot of micronemes. the nucleus has nucleolus. and two layer membranes

    利用透射電鏡對柔嫩艾美耳球蟲裂殖子的超微結構進行了觀察描述.柔嫩艾美耳球蟲裂殖子的表膜由外膜和內膜復合體兩層組成，外膜連續，內膜復合體在頭部斷開形成極環，在其它部位斷開形成微孔；裂殖子的膜下微管24根，起始於極環，向後延伸至細胞核處；裂殖子的頭部由頂泡、錐體和極環組成，錐體和頂泡可以伸縮；柔嫩艾美耳球蟲裂殖子棒狀體3個以上，微線數量很多，二者都由電子緻密的結構組成；細胞核位於裂殖子的中後部，外被雙層膜，有電子緻密的核仁和染色質
  10. Theoretical study on the 1, 3 - dipolar cycloaddition reaction of c, n - dimethyl nitrone and acrylonitrile

    偶極環加成反應的理論研究
  11. A wide variety of natural products, e. g. alkaloids, - lactames, biotin, amino sugars has been synthesized by 1, 3 - dipolar cycloaddition reaction between nitrones and alkenes

    通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然?物，如生物鹼、 -內酰胺、生物素、氨基糖等。
  12. Abstract : a wide variety of natural products, e. g. alkaloids, - lactames, biotin, amino sugars has been synthesized by 1, 3 - dipolar cycloaddition reaction between nitrones and alkenes

    文摘:通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然產物，如生物堿、 -內酰胺、生物素、氨基糖等。
  13. The characterization of " click chemistry " ( the 1, 3 - dipolar cycloaddition combined with the synthetic design of triazoles and tetrazoles ) is reviewed, and some recent examples of various bioconjugates synthesis are introduced based on the " click chemistry "

    摘要介紹了利用1 ， 3 -偶極環加成反應合成氮雜三唑和氮雜四唑的設計方法和反應特點，以及氮雜唑類化合物的合成在生物綴合物研究中的應用。
  14. During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent

    離子源工作時，放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離，形成等離子體。 50多年來，關于高頻離子源的研究報告很多，但是，這些研究主要都集中在應用研究方面，有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。
  15. Tokyo argues that its whaling program helps them ( in ) the understanding of whale stocks as well as the health of ( fragile antarctic environment ) franchi anti * environments

    東京辯護道其捕鯨計劃有助於對鯨魚的現存數量以及脆弱南極環境健康狀況進行實際了解。
  16. Study on the web - accessible chinese antarctic environment evaluation system

    的中國南極環境評估系統
  17. 5, covering most of the electrical enclosure is a very winding deputy central called short circuit central, president ; it adopted covering a small fraction of the polar magnetic field, thereby generating another round of the synchronized with the main magnetic field is very magnetic field ; after the formation of a magnetic field interaction between two oval rotary magnetic field

    5罩極電機的副繞組是罩極環又叫短路環銅環它通過罩住一小部分主極磁場，從而產生另一個與主磁場有相位差的罩極磁場兩磁場相互作用后就形成了一個橢圓形旋轉磁場。
  18. We believe it is making these animals less capable of surviving the harsh arctic conditions and the impacts of climate change. the survival of wild animal populations is threatened

    我們相信它正使這些動物，較無法存活于難堪的北極環境及氣候變化的沖擊，野生動物的生存已經受到威脅。
  19. Polar - ring galaxy

    極環星系
  20. The chemicals are causing serious health problems for wildlife that dramatically reduces its chances of survival in the arctic environment

    化學製品正在造成野生動物嚴重的健康問題，戲劇化地降低?們在北極環境中的存活機會。
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