鈍形的 的英文怎麼說

中文拼音 [dùnxíngde]
鈍形的 英文
obtuse
  • : 形容詞1. (不鋒利) blunt; dull 2. (笨拙;不靈活) stupid; dull-witted
  • : 4次方是 The fourth power of 2 is direction
  1. Phylogenetic tree was constructed and displayed that a. platensis fachb341, a. maxima ouqdsm and a. platensis fachb439 formed the monophyletic linage, which was fully supported by bootstrap values ( 1000 ), while spirulina fachb440 and anabaena pcc7120 clustered in another linage with the bootstrap value of 909

    系統發生分析結果顯示,三個節旋藻品系成一個小分支,其自舉值為1000而螺旋藻與魚腥藻聚合為一個類群,自舉值為909 。同時我們以頂節旋藻fachb341m platenstsfachb341 )為材料,克隆了2073hp長rubisco序列。
  2. The destruction on inactivation of cyanide ion may be accomplished by complexion formation.

    可以通過成絡合物方法來破壞氰離子發生化作用。
  3. In the work, it was systemically studied that the effects of two suggested modifying ways on electrochemical characteristics of lithium metal electrode and its behaviors in lithium cell. finally, the action mechanisms of these two modifying ways were analyzed. through the study on pretreatment effects of different cyclic ether on lithium electrode, it was found that 1, 4 - dioxane ( doa ) and 1, 3 - dioxolane ( dol ), both could form a favorable passivating sei film on lithium electrode surface through

    研究不同環醚對鋰電極預處理作用發現, 1 , 4 -二氧六環( doa )和1 , 3 -二氧五環( dol )對金屬鋰電極表面預處理均可以在金屬鋰表面成一層良好sei化膜,對鋰金屬電極起到了保護性作用,使鋰電極具有較小界面阻抗,有效地提高了金屬鋰電極充放電循環效率,改善了鋰金屬電極在循環過程中表面貌;而doa和dol對金屬鋰電極表面預處理,不會明顯影響鋰電極動力學性能。
  4. If you test by the triangle s angles, possible types are right, acute, obtuse, or equiangular

    如果您用三角角度進行測試,那麼可能類型是直角、銳角、角或等角三角
  5. The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity, changing the a13 + concentration, temperature of etchants and current pulsation. passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface, and hence sustains the balance of competition between aggressive anions and passivators, providing pit nucleatiori sites continuously

    通過侵蝕液中添加草酸、硫酸、乙二醇,改變侵蝕液al ~ ( 3 + )濃度和電流紋波等方法,研究了不同侵蝕條件對隧道孔貌和比容影響,結果表明:草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁迅速化,增加發孔密度。
  6. All the tetradentate ligands were found to be effective with copper, which forms planar four-coordination complexes.

    所有四價配位體對銅都有化效果,能與銅成平面四價配位絡合物。
  7. Cytochrome b gene compared with characiforms, cypriniforms and salmoniforms ; ( 2 ) the molecular phylogenetic trees suggest that siluriforms form a monophyletic group and have a close relationship with characiforms ; ( 3 ) the families of pangasiidae, claroteidae, ictaluridae, cranoglanididae, schilbidae and clariidae form a monophyletic group in the three molecular phylogenetic trees. the family bagridae branched with schilbidae which comes from china ; the family akysidae branched with amblycipitidae, but the phylogenetic positions of the families siluridae, sisoridae and pimelodidae are not recognised

    魚芒科、棘脂?科、叉尾?科、長臀?科、刀鯰科與鬍子鯰科在三種方法構建分子系統樹中均結合在一起,成一大單系群; ?科均與來自中國刀鯰科魚類聚在一起;粒鯰科與頭跪科也均聚在一起;但鯰科、 ?科和油鯰科系統發育位置不定。
  8. In this paper, some flows around naca 0012 aerofoil, m6 wing and two different blunt vehicles are simulated, the results show that the present algorithm possesses good characteristics and capability for normal mach number and for hypersonic of simple configurations

    通過對naca0012翼型、 m6機翼、頭以及雙錐?柱體算例驗證,本文能很好解決一般馬赫數問題,能夠很好求解簡單外高超聲速問題,對于復雜外飛行器還需要進一步進行研究驗證。
  9. In this study, genetic diversity of various strains of spirulina platensis is analyzed with rapd molecular marker and antibiotics marker, the results are compared with their morphologic characters, aimed at constructing a more reasonable classification criterion and knowing more about the genetic background of spirulina. additionally, it is found that under the cultivated condition the linear filament can retransite to the normal curved one which is similar to original spiral filament

    本論文利用rapd分子標記及抗生素抗性標記分析了不同頂螺旋藻品系遺傳多態性,並與其態學特徵進行了比較,以期建立更合理螺旋藻分類方法及加深對螺旋藻遺傳背景了解;同時,發現在養殖環境下變直藻絲體可以回變為正常螺旋現象。
  10. The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers

    Zn ~ ( 2 + )表面修飾在納米顆粒表面成了zns殼層,化了納米顆粒表面,消除了表面猝滅中心,阻塞了通過表面猝滅中心進行無輻射躍遷通道,從而使得發光強度增加,衰減變慢,量子效率提高。
  11. Under better experiment conditions, the finally production fe has about 100nm diameter, oxygen content 2. 0 %, uniform, almost sphere. the results in this paper have shown that super fine powder of fe can be prepared by this route. this make the scientific bases for reusing of feso _ 4. 7h _ 2o and

    經檢測,在較佳前驅體制備條件和較佳還原、化條件下,本工藝最終產物- fe粒度在100nm左右,均勻,近球,氧含量2 . 0 %左右。
  12. The research and development of chemical power sources, zinc - based and nickel - zinc batteries was reviewed. the shape change, dendrite formation, corrosion and passivation of the rechargeable zinc electrode and the ways to solve the above problems were discussed as well

    本文全面概述了化學電源發展,鋅基電池現狀以及鋅鎳電池發展狀況,分析了可充鋅電極存在、枝晶、腐蝕與原因及其解決途徑。
  13. In time of use of this product, it is only required to make hanging rope cross above solid structural object with truncated edge, hang ring - shaped hook on hanging rope inside the upper interface and circular ring of anti - dropping device, and then hang the ring - shaped hook of roll - up safety belt inside the semi - circle ring on safety belt

    使用時只需將懸掛繩跨過上方堅固結構物上,將懸掛繩上鉤掛入防墜器上部介面和圓環,將卷收安全帶鉤掛入安全帶上半圓環內即可使用。
  14. In the second chapter, the fluid mechanics principle of vortex flowmeter at first was introduced. the classical theory about vortex flowmeter and the method of computational fluid dynamics about flow around body were expanded on, and the model of the single bluff body and the dual bluff body vortex flowmeter were constructed. and then, fvm - finite volume method - analysis software fluent was applied to analyze the flow phenomenon of flow over single bluff body or dual bluff body

    然後通過大量實驗和理論分析給出雙體渦街流量計設計準則:當管徑為d ,狀為三角,則體設計參數為:銳邊寬度= 0 . 26d ,高度= 0 . 34d ,體之間距離= 1 . 2d (即當兩體寬度相等且體距離等於單體兩列旋渦之間距離) 。
  15. The net result of a non-competitive inhibitor is equivalent to converting some of the enzyme present to an inactive form.

    一個非競爭性抑制劑凈結果相當于轉化某些酶成為式。
  16. A striking feature not explainable in terms of simple viscous behavior is the characteristically blunt terminations or steep outer margins of debris flow.

    不能用簡單粘性來解釋一種明顯特徵是泥石流終端,或陡外緣。
  17. Performances of the citrus red mite, panonychus citri mcgregor acarina : tetranychidae on various citrus varieties

    葉蟎對胡瓜綏蟎吸引作用
  18. They halted, looking towards the blunt cape of bray head that lay on the water like the snout of a sleeping whale. stephen freed his arm quietly

    他們停下腳步,眺望著布萊岬角35那海岬它就像一條酣睡中鼻尖,浮在水面上。
  19. Railway fixed equipment. built - up common crossing and cast crossing obtuse with fixed switch diamond. cast steel cradles of built - up common crossing with movable switch diamond. inspection

    鐵路固定設備.帶有固定轉轍器菱交叉組合式普通交叉和鑄造交叉角.帶有可移動轉轍器菱交叉組合式普通交叉鑄鋼支架.檢驗
  20. It was found that passivation of the anode took place at about 0. 6 v ( vs. oxygen electrode ) and maximum output power during anodic polarization

    起因是陽極鉑催化劑氧化成鉑氧化物結果。
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