natural synthesis 中文意思是什麼
natural synthesis
解釋
自然合成-
Natural chiron borneol applied in - substitution lactic acid asymmetric synthesis
取代乳酸的不對稱合成 -
Synthesis methods for natural anticancer drug caffeic acid phenylethyl ester were reviewed and their advantages and disadvantages were described with 55 references
摘要介紹了天然抗癌藥咖啡酸苯乙醇酯的各種化學合成方法，並評價了其優缺點。參?文獻55篇。 -
The contents of this studies include : 1 ) according to the researches on the correlation between the function and structure of the cmiv from bombyx - moxi before by others, especially by lixinlal in naigin normal university of china, we have designed and sythesized the mutation i of the gene of cmiv that was different from the natural cmiv about 50 % in amino sequence, using the favorable condon of the ecoli. after cheked the result of synthesis by sequence, we have cloned the gene into 3 " of the gene of thioredoxin in the thio - fusion expression vector ( ptxfus ), and the fusion protein of thio - cmiv was highly expressed in soluble form
本研究的內容包括：一、在前人對抗菌肽cmiv研究的基礎上，對n端和c端進行氨基酸保守變換，設計和合成了該基因，充分使用大腸桿菌偏愛的密碼子，並將該基因5端與硫氧還蛋白基因3端融合，通過ptxfus表達載體獲得較高可溶性表達（在15 sds - page膠上可見明顯的表達蛋白帶） 。 -
This paper introduced the status and development of basic research on phytochemistry and natural product chemistry in the fields of searching bioactive components, biosynthesis and molecular regulation of plant secondary metabolism substance, environment influence on the synthesis and accumulation of plant secondary metabolism substance, the relationship of endophyte and plant secondary metabolism substance
摘要本文從生物活性成分的篩選與分離、植物次生代謝產物生物合成及其分子調控、環境因子對植物次生代謝產物合成和積累的影響、植物體內生菌與植物次生代謝產物的關系等方面介紹了我國資源植物化學與天然產物化學領域基礎研究的現狀與發展。 -
The potential for a wide range of biotransformations using either immobilized cells or extracted plant enzymes undoubtedly exists, the major restriction to development being our lack of fundamental knowledge of the general biochemistry and enzymology of natural product synthesis
盡管我們在自然產品合成方面的普通生物化學和酶學知識還很匱乏，但使用固定化細胞或植物提取酶的生物轉化得到大范圍應用的可能性無疑是存在的。 -
Progress in the synthesis of natural gas hydrate
合成天然氣水合物實驗研究 -
The newly development of rubber industry in china was reviewed and the present situation through the export and import instance of natural or synthetic rubber was analyzed. summarizing the synthesis technology of isoprene monomer and isoprene rubber and we believe that china has abundant raw material and mature synthesis technology to develop rare earth isoprene rubber
論述了國內橡膠行業的發展現狀，通過近年來我國合成橡膠與天然橡膠的進出口情況，分析了國內市場的發展趨勢及存在的問題，並對國內外異戊二烯的單體生產技術和異戊橡膠的合成技術進行了總結，認為我國已經具備發展稀土異戊橡膠的原料及合成技術，具有廣闊的發展前景。 -
Employing diversity - oriented synthesis ( dos ) to construct skeletally complex natural product - like libraries and using it in the studies of chemical biology and lead discovery is becoming a tendency
用多樣性導向合成方法建立骨架多樣、構造復雜、立體化學多樣性的「類天然產物」化合物庫進行生物學相關研究，並以此為基礎發現藥物先導化合物正在成為一種趨勢。 -
Mass spectrometry of synthetic hw - ma and rgd - hw are in full agreement with those speculated theoretically, which proves the success of peptide synthesis and refold. on isolated mouse phrenic nerve - diaphragm preparations, hw - ma can block the neuromuscular transmission in 35 minutes or so ( l 10 - 5 g / ml ), its biological activity shows 73 % decrease comparing with biological activity of native hwtx - i. it proves t hat the protein engineering of synthetic chimera hwtx - i has gained success to some extent, although it did not achieve our expectations. thus it proved that hwtx - i can be using as natural scaffold for protein engineering. and also emphasized the importance of " local stereo circumstances " of activity site when the foreign activity site was transferred into a natural scaffold
濃度為1 / 1059 / ml的hw一ma突變體能可逆阻斷小白鼠隔神經書高肌的接頭傳遞，阻斷時一間為35min左右，與天然hwtx一i比較，生物學活性下降3一4倍，說明合成的突變體改造獲得了一定的成功，盡管與我們預期的目標有一定的差距，從而證明hwtx一i可以作為蛋白質工程研究的天然分子骨架，同時也強調了往天然分子骨架中轉移外源活性位點時維持活性位點「局部立體環境」的重要性。 -
Subsidized by the national natural science foundation of china, " tenth five - year " plan of hubei province and so on, this dissertation systematically discussed the author ' s researches on synthesis and deformation of ni / al and ti / al system intermetallic compound
本文在國家自然科學基金、湖北省「十五」重點攻關計劃等基金支持下，系統地論述了作者在ni al系和ti al系金屬間化合物合成與成形的電脈沖效應方面研究成果。 -
The author analyzed forest coverage ratio, forest space per person, public forest space per person, ecological forest coverage ratio, forest space distribution and synthesis ecological value of kunshan city at the different phases according to the method of forest ecosystem services, social - economic - natural complex ecosystem theory, ecological planning principles, and the planning of kunshan city forest ecosystem
摘要運用森林生態系統生態服務功能評價的方法，依據社會經濟自然復合生態系統理論和生態規劃原則及崑山市森林生態系統規劃的要求，對崑山市森林覆蓋率、人均森林面積、人均公共森林面積、公益林所佔比例、森林均勻度、綜合生態價值6個指標分階段進行了分析。 -
Abstract : focusing on such aspects as natural drugs, natural pesticides, growth and ecologic regulators, natural dependence drugs and total synthesis of natural organic compounds, this paper reviews some compounds with greater social significance or academic value, and aims to see in perspective the developmental process of the natural organic compounds with bioactivity, a constant hot research field, and its significance in human life
文摘:本文從天然藥物、天然農藥、生長及生態調節物質、精神依賴藥物和全合成等幾個方面，通過評論一些有較大社會意義或學術價值的化合物，試圖透視具有生理活性天然有機化合物這一常盛不衰的熱點研究領域的發展脈絡，及對人類生活的意義。 -
Overally the ecology observes natural force, labor force, and the inner synthesis of eco - restriction ; on the dimension of systematism the productive force is the internal restraint that ecosystem brings to labor productive force ; and the history of productive force development denotes that its development is dialectical course of labor force and natural force
生態學視閾從整體性上考察了自然力、勞動力和生態制約性的內在綜合；從系統論維度而言，生態型生產力是生態機制對勞動生產力的內在制約；生產力的發展歷史表明了生產力的發展是勞動力與自然力的辨證過程。 -
( 2 ) based on the real condition of urban human settlements construction in lanzhou, the dissertation draws a conclusion that the main factors which influence the urban human settlements in lanzhou is natural subsystem, according to the identical characteristic of the trend of the natural subsystem and the urban synthesis construction quality
（ 2 ）結合蘭州城市人居環境建設的實際，根據綜合建設質量走勢圖與自然子系統建設走勢圖的波動周期較為吻合特點，得出了影響蘭州城市人居環境的主要因素是自然子系統的結論。 -
This article is totally divided into six chapters. it takes urbanization as background, and takes mountain cities as research objects, and takes spatial form as clues. lt analysis by synthesis the natural factor and humanistic factor and builds up the motive mechanism of spacial expansion and research the four appropriate pattern of spacial expansion : the layer expansion mode, the axis expansion mode, the centralized mode, the jumping expansion mode
本文共分六章，以城市化快速發展為背景，以山地城市為研究對象，以山地城市空間形態演變為線索，對山地城市的自然和人文影響因子及其形態進行了分析，建構了山地城市空間擴展的動力機制，並通過與平原城市的比較對照及實踐例證，闡述了山地城市空間擴展的四種典型模式：緊湊圈層式、軸向伸展式、集約內涵式和多核跳躍式。 -
Acid gas removal from synthesis gas ( ammonia, methanol and oxo reaction ). coal gas natural gas oil field gas and refinery gas, and chemical engineering technique affairs
合成氣（氨、甲醇及羰基） 、煤制氣、天然氣、油田氣、煉廠氣中酸性氣體的脫除，及化學工程技術業務。 -
We divide the fire sample image into several levels vertically and the synthesis process is carried out by searching candidates on the corresponding levels. textures on the central and boundary parts are synthesized separately, and natural transition between them is achieved by use of markov probability interpolation
火焰邊緣附近的紋理單獨進行合成，把紋理樣本邊緣部分的紋理繪制到目標火焰邊緣，火焰中間部位紋理和邊緣紋理則採用馬爾科夫概率插值進行過渡。 -
Traditional research in speech - based technology is concentrated on speech recognition, speech synthesis and natural language understanding
傳統的語音技術方面的研究主要集中在語音識別、文本語音轉換和自然語言理解上。 -
The synthesis of poly ( lactic acid ) is mainly described and so is that of polyesters from renewable natural resources
其中，對脂肪族聚酯聚乳酸的縮聚合成，以及可再生資源用於聚酯的合成進行了重點介紹。 -
Both synthesis images of fractal and natural texture images are used to test the proposed method
根據自相關函數的性質，獲得估計分形維數的自相關函數方法。
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