molecular characteristics 中文意思是什麼

molecular characteristics 解釋
分子特徵
  1. Based on characteristics and connectivity of the groups in molecules, the group contribution method and topological method was combined together, a new method was developed which can be used to calculate the density of alkyne from molecular structure

    摘要根據分子中基團的特性和連接性，將基團貢獻法和拓撲方法結合在一起，發展了一種計算炔烴密度的新方法基團鍵貢獻法，該方法具有基團貢獻法適用范圍廣和拓撲方法計算結果準確可靠的特點。
  2. The main synthetic methods of etherified end group capped polyether, the molecular structure of etherified end group capped polyether influencing on the product characteristics and the technical progress of etherified end group capped polyether in recent years were discussed emphatically

    摘要重點論述了醚化封端聚醚的主要合成方法、醚化封端聚醚的分子結構對產品特性的影響，以及近年來醚化封端聚醚的技術進展。
  3. The tribolgical characteristics of ots molecular film in " island " formation stage changed acutely

    在「島式」結構生長階段的ots分子膜，摩擦學特性劇烈變化。
  4. With observing the topography of different time period by afm, the formation mechanism of five stages of ots molecular film was concluded. 4. tribological characteristics of ots self - assembled molecular film were studied by lfm. the effects of sliding velocity and load on frictional force were analyzed

    在研究過程中，通過原子力顯微鏡（ afm ）觀察不同成膜時間及不同溶劑組成條件下的ots自組裝分子膜的形貌，由此來判斷反應進程，總結出ots自組裝分子膜生長模式的五個階段。
  5. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位，採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法，對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究，以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵，進而探討兩物種瀕危的成因和機制，並針對性地提出了科學合理的保護對策和建議。
  6. Based on the understanding of netative poisson ratio mechanism and the characteristics of liquid crystalline polymers, the ability for the smectic liquid crystalline polymers possibly to bear the auxetic behavior was firstly proposed. at the same time the ideal molecular model was upbuilt and the calculation about the negative poisson ratio of smectic liquid crystalline polymers was theoretically carried out

    經過對負泊松比產生機理和液晶高分子特徵的理解，首次提出了近晶c相液晶高分子也具有產生npr效應的能力，建立了近晶c相液晶高分子產生負泊松比的分子模型，並且對其負泊松比進行了理論計算。
  7. Calculated with nei ' s formula and the unweighted pair - group method with arithmetic averages ( upgma ), the cluster analysis results demonstrated that the classification of seven strains of spirulina platensis with rapd markers is consistent with some of their physiological and biochemical characters as well as some molecular biological characteristics

    用nei 』 s公式與歐氏距離類平均法對此擴增結果進行聚類與親緣關系分析。結果表明， rapd分類結果與7株材料的某些生理生化和分子生物學特性相吻合。
  8. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上，首次採用rapd分子標記技術，對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究，根據pcr對基因組dna擴增的結果，用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度，通過對遺傳距離的upgma聚類分析，並結合形態分類的特點，對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。
  9. It also looks back the development of adenovirus vector, describes all kinds of animal adenoviruses, and analyzes the molecular mechanism of easy manipulation, wide host spectrum, and strong infection characteristics of adenovirus vector

    進一步分析了腺病毒載體易於構建和操作、宿主范圍廣、感染性強等特性的分子機制。
  10. Molecularly imprinted polymer can be used to highly selective separation and enrichment of trace analyte in complicated biological, medicine and environmental samples because of its characteristics of high selectivity, chemical stability, easy preparation, so the application of molecular imprinting technique in sample pretreatment was especially remarkable

    分子印跡聚合物具有選擇性高、穩定性好及制備簡單的特點，可用於生物、醫藥、環境樣品等復雜基體中痕量分析物的高選擇性分離與富集，因此在樣品前處理中的應用特別引人關注。
  11. Among other things, this studio considers problems of gravity, nature, tectonics, phenomenology, molecular characteristics, structural capacity and material performance, and site

    除此之外，該實踐課程還考慮重力、自然、構造學、現象學、分子特性、結構力、材料性能和地點等問題。
  12. Organic - inorganic assembly layered perovskite - type materials integrate useful organic and inorganic characteristics on a molecular level. the inorganic component forms an extended framwork bound by strong covalent or ionic interactions, and the organic component is filled in which and thus the organic layer and inorganic layer are alternately stacked. the materials have unique properties such as electronic, optic and magnetic properties, and there has been great interest in studying them recently

    層狀類鈣鈦礦有機-無機分子組裝材料在分子水平上結合了有機組分和無機組分的有益特性，無機組分通過強的共價鍵或離子鍵形成擴展的骨架，並將有機組分填入框架中形成有機層與無機層交替的結構，具有某些電學、光學、磁學特性，引起人們的研究興趣。
  13. With the flowchart the program can be divided into six parts and it includes initial flow field, computation of molecular motion, boundary treatment, re - sort of molecular, sample and computation of molecular collision. several cases have been simulated to certify the correctness of the program. dsmc method is improved using method of characteristics to modify the boundary condition and gets the goal as expected

    首先，編程實現了基本dsmc方法對二維流動的計算，給出了所用演算法的原理、相關模型，並結合程序結構流程圖，分別介紹了初始化流場、計算分子的運動、邊界的處理、分子的排序、抽樣計算分子的碰撞、流場參數采樣統計各個功能模塊在fsmm2d中的實現，並對該程序進行了算例校驗。
  14. By static tests, studied the uf characteristics of the uf membranes, which have two kinds of intercept molecular eight, and made from pes, pek, spes and spk ， in treating black liquid from basic straw pulp. the result showed : at the condition of static contacting, the pes and spes spk are polluted by composition of black liquid in a less degree, and the pek is in the heaviest edgree. the sulphonaled membranes with higher negative charge have better uf characteristics of black liquid. the uf membranes characteristics of 20 thousand intercept molecular weight are superior to 50 thousand intercept molecular weight

    通過靜態試驗，研究了兩種截留分子量的聚醚碸、聚醚酮、磺化聚碸/聚醚碸、磺化聚碸/聚醚酮等超濾膜處理堿法草漿黑液的超濾特性，結果表明：靜態接觸條件下，聚醚碸及磺化類膜受黑液組份的污染程度較輕，聚醚酮膜的污染程度最重；荷負電性較高的磺化類膜具有較好的黑液超濾特性；截留分子量2萬的超濾膜特性要優於5萬的膜。
  15. By comparing the biological characteristics of original normal filament, linear filament and the curved filament retransited from linear filament, certain evidence of the morphologic variation regulated by a special transposon are detected on the level of protein and dna, which will help us to discover the mechanisms of this morphologic variation on molecular genetics level and solve the problem in production of spirulina in large scale

    在比較了正常藻絲體、變直藻絲體及回復正常螺旋形態的藻絲體一組材料生物學特性的基礎上，進一步在蛋白質及dna水平上找到了轉座子調控此形態變異的某些證據，為闡明螺旋藻形態變異與重建的分子遺傳學機制以及解決螺旋藻大規模生產的實際問題提供理論依據。
  16. The purposes of this project were to further analyze the characteristics of their iron efficiency under iron stress, to study the physiological and molecular mechanisms of iron efficiency under iron deficiency in c. junos and m. xiaojinensis, and to analyze the spatial expression model of fcr ( ferric chelate reductase ) gene under iron stress with the hope to cast a new light on iron stress tolerance on the molecular level, to lay solid foundations for cloning fcr gene in c. junos and m. xiaojinensis, and to provide some basic data for creating new rootstocks with excellent complex characters and iron efficiency

    本研究通過進一步分析香橙和小金海棠的耐缺鐵特性，研究它們耐缺鐵的生理原因和分子基礎，並通過分析三價鐵螯合物還原酶基因的空間表達模式，從分子水平上去探討植物耐缺鐵的原因，為從香橙和小金海棠中克隆三價鐵螯合物還原酶基因奠定基礎，並為人工創造耐缺鐵的果樹砧木提供基礎研究數據。
  17. This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation

    摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因，運用分子動力學、熱力學和滲流力學等相關知識，基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。
  18. Vacuum technology. methods of measurement of the performance characteristics of turbo - molecular pumps

    真空技術.渦輪分子泵功能特性的測定
  19. Methods of measurement of the performance characteristics of tubo - molecular pumps

    渦輪分子泵性能測試方法
  20. The molecular characteristics of peg and its grafting techniques such as chemical, uv photo - induced, plasma and ozone oxidation methods in membrane surface modification are introduced

    介紹了聚乙二醇分子結構特徵，重點敘述了包括化學法、紫外光照法、等離子體法以及臭氧化法等聚乙二醇在膜表面改性中的接枝方法。
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