環原子 的英文怎麼說

中文拼音 [huányuánzi]
環原子 英文
annular atoms
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  1. To study atomic models for closed - loop supply chain in e - commerce

    商務境下閉供應鏈的模型研究
  2. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用境生物技術、火焰吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  3. We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized

    利用trionx - 100 /正辛醇/己烷/水反膠束體系制備出三種物質的粉體,掃描電顯微鏡照片顯示粒的粒徑在20nm左右,分佈均勻;此外還利用uv - vis 、吸收光譜等測試手段,都表明合成出了三種正極材料的納米粒
  4. Carbasugars, carbocyclic analogues of true sugars, are compounds in which the ring - oxygen of furanoid or pyranoid sugars is replaced by methylene group

    摘要碳糖是一類呋喃或吡喃糖中的氧被亞甲基取代后形成的糖類似物。
  5. The chief differences between chlorophyll and heme are the presence of a magnesium atom in the center of the porphyrin ring.

    葉綠素和血紅素之間的主要的差別為在卟啉中心存在一個鎂
  6. The net effect of the cno cycle is the same as the p - p chain. but carbon is used as a catalyst

    的方式進行,這循所造成的結果和質鏈沒有分別,都是把四顆氫核結合為一顆氦核碳的作用猶如催化劑。
  7. 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

    但因碳核帶的電荷是氫核的六倍碳氮氧循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。
  8. The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment

    空間境中力學境對可動結構的影響直接關繫到機構的設計問題,所以本文第四章中嶽建如:中文摘要浙江大學博士學位論文20024首先詳細論述了空間境中的力學境,然後給出了空間境的三種軌道境劃分,及每一種境影響因素對空間可動結構設計的影響,包括氧、離射線、溫度、微隕石和碎片以及真空冷焊現象等境因素,提出了材料選擇的則,為可動結構材料選擇提供了一定的依據。
  9. Interfacial atoms diffusion or covalence by a circulated - argon ion bombardment process could improve the adhesion strength between the coatings and the uranium substrate

    氬離轟擊鍍方法可促進使膜-基界面間的擴散或鍵合,有利於提高膜-基結合強度。
  10. Pcl could form banded spherulites through blending with poly ( bisphenol a - co - decane ) lamellar structures of banded spherulites of poly ( s - caprolactone ) / poly ( vinyl chloride ) ( pcl / pvc ) blends were observed using tapping mode atomic force microscopy ( afm )

    利用力顯微鏡( afm )的輕敲( tapping )模式,系統地研究了聚-己內酯聚氯乙烯共混體系形成的帶球晶表面形貌和片晶結構。
  11. Q represents the nonmetallic atoms necessary to complete a heterocyclic nucleus containing 5 atoms in the heterocyclic ring.

    Q是形成5個核所必須的非金屬
  12. The lamellae with edge - on and the flat - on orientation alternated to form the banded spherulites

    利用力顯微鏡位觀察了帶球晶界面的片晶生長。
  13. A novel ring - enlargement oxidation of polyphenyl substituted cyclopentadienes in air ( or molecular oxygen ) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene - ring, forming a six - membered pyrylium salts

    摘要報導了空氣(或氧氣)存在的條件下,由高氯酸引發多苯基取代戊二烯發生新穎的碳碳鍵斷裂擴反應,在此反應中,氧插人到戊二烯中形成相應的六元吡喃鹽類化合物。
  14. One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group.

    活性亞甲基上的一個氫是被氧基所取代的。
  15. Signal strength is modified by properties of each proton ' s microenvironment, such as its mobility and the local homogeneity of the magnetic field

    發射信號的強度由每個氫周圍的微境的性質來調整,如質的移動性與磁場的局部的均一性。
  16. Surface microtopography, representation and tracing of nacreous layers of pteria penguin and blister pearl from sanya, hainan province, are studied by using interference microscope and environmental scanning electron microscope and atomic force microscope

    摘要採用干涉顯微鏡、境掃描電顯微鏡、力顯微鏡對海南三亞企鵝貝及其附殼珍珠的珍珠層表面微形貌進行了研究。
  17. 4. the molecular structure shows that there are two types of coordination environment for fe atoms. one is formed by two n atoms and four o atoms, another by six o atoms, all in distorted octahedron

    結構表明存在兩種fe離的配位境。一種為2個配位n和4個配位o,另一種為6個配位o均為畸變八面體。
  18. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導形諧振腔中描述he - ne氣體增益介質運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及激光的光強和相位特性進行模擬試驗研究,並且運用全量理論,對激光工作理進行分析,得出二能級系統單模輻射場的光數密度分佈,得出激光場的光統計分佈,模擬激光場的動態建立過程。
  19. All steroids contain a skeleton of 17 carbon atoms organized into four rings.

    所有的類固醇都含有排列成四個的17個碳的骨架。
  20. The nucleus consists of uncharged neutrons and positively charged protons. negatively charged electrons travel around the nucleus in their orbits, similar to the way planets moving around the sun

    細小的核內含不帶電荷的中及帶正電荷的質,而帶負電荷的電則沿軌道核運行,情況就好像行星繞太陽運行一樣。
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