molecular time 中文意思是什麼
molecular time
解釋
分子碰撞間隔時間-
Biological characters were observed and karyotypes were analyzed of caragana microphylla lam c. intermedia kuang et h. c. fu and c. arborescens ( amm. ) lam in this paper. at the same time, thirty plant belong to caragana fabr from different regions were analyzed by molecular markers in order to study relationship among them. the main results as followed : 1. the result of morphology showed : there are differentia among caragana microphylla lam c. intermedia kuang et h. c. fu and c. arborescens ( amm. ) lam
結果表明： （ 1 ）中間錦雞兒、小葉錦雞兒和樹錦雞兒的植物學性狀和生物學特性具有差異，如莖干有毛或光滑、樹的高矮、抗性的強弱等；也有一定的相似性，如有小葉、托葉在長枝上宿存可硬化成針刺等。 -
The changes in molecular weight, mass, mechanical strength, microstructure of fibers and ph value of the buffer solution with time in vitro had been studied. the study shows that degradation mechanism of pdlla / ha compound fiber was indicative of an autocatalysis process and simple noumenon hydrolysis
通過對試樣的性能測試和形貌觀察，研究了pdlla ha復合纖維在降解過程中其分子量、重量和力學性能以及緩沖溶液ph值等一系列參數的變化規律，並探討了復合纖維的降解機理。 -
During this time, lee ' s wife jane lin, a molecular biologist, was the sole breadwinner for the family
在此期間，李安的妻子林惠嘉（分子生物學家）養家糊口。 -
The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis
陸生植物的起源和演化是地球生命中的重大事件，它影響到地球上所有的其他生命和全球環境。在過去的20年中，從中奧陶世歷經整個志留紀至早泥盆世的巖層中，化石植物微化石和大化石的新發現改變了人們對陸生植物起源的認識，並且為陸生植物和維管植物早期演化分異提供了基部類群分化的時間框架。據此人們識別出地史中的3個陸生植物的時代：始胚植物時代始維管植物時代和真維管植物時代。 -
In the crystal resorcinarene possessed the cone conformation, in array of head - tail columniation tube. actone molecular sited in the tube between two resorcinarenes. for the first time the one dimention nano - supramolecular - tube with association of neutral moleculer but not metal ion is reported
本文以間杯芳烴為超分子構造塊，分析了它在丙酮、水存在下的單晶結構，發現，在多種弱相互作用力作用下，得到了新穎的納米級一維超分子管道。 -
Up to now, and probably for quite some time yet, the energetics of molecular grouping must be grossly simplified.
直到現在，而且可能在以後相當一段時間內，分子團力學必須得作粗略的簡化。 -
To prove up ulteriorly the components of ants, the author has separated and purified the polypeptides of formica rufa linnaeus and studied their biologic and officinal activities. at the same time, the author has mensurated the molecular weight of polypeptides by sds polyacrylamide electrophoresis to analyze the polypeptides quantific - ationally. in order to provide the scientific basis for studying and empoldering the ants, we have done these studies
為進一步探明螞蟻體內的活性成分以開發和利用其藥用價值，本文對紅褐林蟻的提取物中的多肽進行了分離、純化並對其生物活性和藥用活性進行了研究，通過電泳測定了多肽的分子量，從而為進一步研究開發螞蟻提供科學的依據。 -
Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed
分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用 -
The effects of formation time and components of the solution on the topography of ots self - assembled molecular films were mainly studied in the experiment
實驗中，主要研究了ots自組裝分子膜成膜時間及反應溶劑的組成對成膜的影響。 -
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。 -
In most cases, the molecular weights rise to a finite value with time or conversion.
在大多數情況下，分子量隨時間或轉化率升高至一個有限的值。 -
The application of real - time quantitative pcr and dna molecular typing on dealing with the outbreak of shigellosis
分子分型在菌痢暴發中的應用 -
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。 -
The spectrum evolution of the femtosecond laser pulse in a three - level organic molecular medium ( 4, 4 ' - bis ( dimethylamino ) stilbene ) is studied theoretically by solving the maxwell - bloch equations using an iterative predictor - corrector finite - difference time - domain method
摘要通過採用預估校正的時域有限差分法求解麥克斯韋布洛赫方程，我們研究了飛秒激光脈沖在三能級有機分子（ 4 ， 4 ' -二甲氨基二苯乙烯分子）介質中傳播時脈沖的頻譜演化情況。 -
Found the phenomenon observed in the nematode caenorhabditis elegans for the first time in 1998, consequently similar processes have been described for drosophila melanogaster, trypanosome, mammals including humans. the mechanism is that sirnas is the mediator, which can induce the risc to the target mrna and degrade it. recently there was great progress in the specific gene therapy and anti - virus, and rnai has been a focus of rna molecular therapy
自1998年fire等在研究線蟲時首次發現以來，相繼在果蠅、渦蟲、錐蟲、小鼠及哺乳動物細胞中發現rnai現象。一般認為： rnai第四軍醫大學碩士學位論文效應作用機制是sirnaskmallinterferinguaduplex ）作為中介分于，引導risc （ rnaiinducingsuppresscomplex ）至靶基因m洲a處，隨后核酸內切酶將之降解。 -
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。 -
Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly
一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯（ ba ）間歇乳液聚合，制備了pba納米粒子，在11min內轉化率達到90 ，分子量達5 . 24 10 ~ 6 ，隨反應時間的延長而降低，表明超聲輻照引發乳液聚合是一個動態的復雜過程，單體的聚合和聚合物的降解同時發生。 -
The preparation of chain transfer, the mol percent of pea : aa : mma and the time of combind were systermic investigated. the performance of pc was refledted by the neat cement paste fluidity and fluidity losing. the results indicated : ( 1 ) the preparation of chain transfer was one of most factor of control the molecular weight of copolymer and influence the performance of pc
通過測定減水劑的水泥凈漿流動度及流動度損失宏觀反映合成減水劑共聚體pc的性能，研究結果表明： （ 1 ）鏈轉移劑是控制共聚物分子量影響共聚體pc性能的主要因素之一，在選擇鏈轉移劑zy 、用量為8 aa時的作用效果最佳。 -
For chitosan, when the concentration of chitosan is under 0. 1mg / ml, the structure of molecular chain can be observed by afm. at the same time, the refined structure of lyotropic liquid crystal of chitosan and the changes of structure were studied. films with liquid crystalline texture can be prepared from diluted solutions which concentration is lower than critical concentration of liquid crystal
對于殼聚糖（ chitosan ） ，通過afm直接對殼聚糖進行分子結構水平的觀察研究，發現在濃度低於0 . 1mg ml的稀溶液中用afm可以清楚觀察到糖鏈間形成的環狀或螺旋結構，以及鏈內側枝繞合排列的樹枝狀結構，這種現象是由於糖鏈間和糖鏈內的氫鍵締合所致。 -
Technique and condition of developing membrane such as thickness of support layer, concentration of coating solution, coating time, ph value of coating solution, concentration of small molecular additive in coating solution, concentration of cross - linking agent, cross - linking time and composite times were studied
對制膜工藝條件如基膜厚度、塗層液濃度、浸塗時間、塗層液ph值、塗層液中小分子添加劑的含量、交聯劑類型、交聯劑濃度、交聯時間及復合次數對納濾膜性能的影響進行了研究。
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