有機化學家 的英文怎麼說
中文拼音 [yǒujīhuàxuéjiā]
有機化學家
英文
organic chemist-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Dr bernstein is a research scientist and deputy chief of the space science and astrobiology division at nasa ames research center where he studies the organic photochemistry of interstellar cometary ices
Dr bernstein是美國太空總署ames research center的太空科學及太空生物分部的副主管,並且在天體化學實驗室擔任研究科學家,專門研究星際和彗星上冰層的有機光化學。In the first part, the thesis defines bilingualism, bilingual teaching and learning, and bilingual education for china ' s ethnic minorities through differentiation and analysis of some basic terms concerned with bilingual education. it maintains that ethnic minorities " bilingual education is a form for minorities " education which takes the existing minorities " bilingualism as the base, and bicultural traditions and knowledge, capacities and values needed in modern society as main educational contents, chinese and a minority language as educational languages alternately
第一部分通過對現行雙語教育相關概念和術語的闡釋和辨析,對少數民族雙語現象、雙語教學和雙語教育等基本概念進行了界定,筆者認為少數民族雙語教育是以雙語現象為基礎、以雙文化和現代生活必需的知識、能力和價值觀等為教育內容、以雙語教學為主要教育方式,使國家族際語(漢語文)和民族語文有機結合的民族教育形式。The article depending on the investigation and research of jin xin chemical industry group and the analysis of the group " s external and internal environment, concludes the group " s strengths and weaknesses, defines the opportunities and threats or constraints that exits in the external environment, and on these grounds bring upped that the company ' s development target, established the group " s general strategy, according to the national chemistry industry " tenth five year period " the programming of " entering some industries and exiting from the other, doing something and not doing the other ", make sured the " chemical combination and the chemical engineering coexistence, and gradually push forward the related diversification, and build the type chemical combination conglomerate the group " of strategy direction, defines " to accelerate the internal industrial structure adjust and optimizing the product construction " which is the importance of the strategy, and established " the low cost target be in the leading and concentrate the strategy ", and formulate the group " s framework of total development strategy
文章在調查研究金信化工有限公司基本情況,分析外部環境和內部條件的基礎上,總結了金信的優勢與劣勢,剖析了企業面臨的機遇和挑戰,並據此提出了公司的發展目標,制定了企業整體發展戰略,按照國家化學工業「十五」規劃中確定的「有所為有所不為」 、 「有進有退」的原則,確定了「化肥化工並舉,逐步推進相關多元化,打造綜合型化肥聯合企業集團」的戰略方向,明確了「加快內部產業結構調整和產品結構優化」的戰略重點,制定了「低成本領先的目標集中戰略」 ,形成了金信公司的整體發展戰略框架。文章理論與實際相結合,把戰略管理理論應用於企業戰略研究實踐,對金信公司的產品結構調整、技術改造、內部改革、企業管理和未來的長期穩定發展具有一定的指導意義。Organic chemists accepted the theory of the average planar cyclohexane ring.
有機化學家接受了平均平面環己烷的理論。Margaret chose to do her research in organic chemistry with dorothy hodgkin, the only chemist of her year to go in this direction.
瑪格麗特決定跟著多蘿西霍奇金研究有機化學。多蘿西。霍奇金是當時唯一從事有機化學研究的化學家。Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented
許多行星(如木衛三,水星,地球,木星和土星)和恆星(如太陽)具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動,磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線,即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色,並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型Pvp - i is from coming out to the present, the scientists of various countries prepare, the research of form of a drug, structure analysis, research of pharmacology, toxicity, medicine supersession, sterilization mechanism and dynamics through chemistry, is it have pvp - i only to be security most high to prove, recognize as at supporting clinical only using as human skin disinfectant of mucous membrane extensively
Pvp - i從問世至今,各國科學家通過化學制備、劑型研究、結構分析、藥理、毒理、藥物代謝、殺菌機制及其動力學的研究,證明唯有pvp - i安全性最高,公認為唯一可供臨床上廣泛用作人體皮膚粘膜的消毒劑。With the rapid development of molecular biology, the researchers of different scientific background are provided with a good opportunity to enter the field. people can resolve some important difficult problems with all kinds of research methods and knowledge in their fields. it is chemists " tribute that they design and synthesize effective nucleic acid cleavage reagents and clarify the reaction mechanism of complexes and dna, which makes it possible to search effective remedial reagents and structural probes by molecular design
分子生物學的迅猛發展為不同科學背景的研究者涉足該領域提供了良好的機遇,人們可以利用各自領域的研究方法和知識來攻克生物學中的一些重要難題,化學家所能做的貢獻就是設計和合成一些特異識別和高效切割的核酸斷裂試劑,並闡明其作用機理,從而使通過分子設計尋找有效的治療試劑和結構探針成為可能。He toured some well - known research institutes and farms including alberta universitys agricultural and forest research center, pig research center, dairy cattle technical center, aafcs lethbridge research station, maple meat food company, etc. the practice of the canadian federal government, alberta and columbia of supporting agricultural and livestock production, and their policies and examples of agricultural and livestock industrialization which link numerous small farmers to constantly changing big markets with the result of reducing farmers risk and maintaining their income provide enlightenment for participants from zizhong
考察了阿爾伯塔大學農林科技研究中心養豬科學研究中心奶牛科研技術中心和加拿大農業及農業食品部列橋科研中心楓葉肉類食品公司等知名科研加工單位和自然農業生產農場。加拿大聯邦及阿爾伯塔省哥倫比亞省扶持發展農牧業生產,發展農牧產業化的政策和實例,把千家萬戶的小農戶與千變萬化的大市場有機聯系在一起,減小了農戶風險,穩定了農民收入,給資中學習考察人員很大啟示。Meanwhile organic chemist martin saunders and his colleagues at yale university and geochemist robert poreda of the university of rochester were discovering a way to resolve this question
這時,美國耶魯大學的有機化學家桑德茲與羅徹斯特大學的地球化學家波里達發現一個辦法可以解決這個問題。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。The polar concepts of the physical organic chemist are relevant to radical reactions.
物理有機化學家的極性概念能夠適用於基反應。He was the first organic chemist elected to the national academy of sciences
他是一第一位被選入(美國)國家科學院的有機化學家。Professor k y chan of the department of chemistry, hku, a specialist in electrochemistry and material science, will lead the project together with dr. patrick toy, who is an eminent organic chemist
香港大學化學系電化學及材料科學專家陳光宇教授將聯同著名有機化學家蔡顯輝博士領導是項計劃。Jh company is one of the biggest chemical industry bases in china. after many years construction, the company has become a comprehensive refinery chemical company with wide rang of products such as : petroleum product, basic organic chemical product, fine chemical product, synthetic material and so on
Jh公司是國家最早興建的大型化學工業基地,經過多年的建設,已經發展成為集石油製品、基本有機化學品、精細化學品、合成材料等產品生產為一體的大型煉油化工企業。Tianjin zhengyuan fine chemical co., ltd is built up by nperc tianjin in nankai university. it is registered in tianjin high techical industry area. it is based on the chemical college of nankai university and cooperate with some famous university, such as tianjin university xiamen university and so on. it developed some fine chemical products and export to europe korea india and others
天津正元精細化工有限公司技術依託于南開大學化學學院南開大學元素有機化學研究所廈門大學化學系天津大學化工系,並利用南開大學農藥國家工程研究中心工程化研究與開發先進條件進行技術合作開發和產業化。並在醫藥農藥及其它精細化工技術及產品取得許多成果。Students who successfully complete the course and obtain a " competent chemist " ( cc ) or " expert experimentalist " ( ee ) rating are likely to secure opportunities for research work in a chemistry lab at mit
學生如果順利地完成此課程並獲得「合格的化學家」 ( cc )或」有經驗的實驗者」 ( ee )的分級,將有機會在麻省理工學院化學系進行研究工作。Even it is probably a direct target molecule of plant hormones. jasmonic acid and its derivatives ( jas ), a kind of plant endogenous compounds, have ubiquitous physiological effect on plant growth and development
Ja及其衍生物(總稱為jas )是近些年來倍受植物學家青睞的植物內源有機化合物,被認為同iaa 、 aba等激素一樣具有廣譜的生理效應。German chemist. he shared a1950 nobel prize for discoveries concerning the structure of organic matter
阿爾德,庫爾特1902 1958德國化學家,因其有關有機物結構的發現而獲1950年的諾貝爾獎分享友人