isotope can 中文意思是什麼
isotope can
解釋
同位素容器-
Based on the avaliable isotope samples, we found that fon - lin alluvium, groundwater can be conceptually divided into three layers
此外由分析氫、氧同位素的組成，可定性地說明該區重要的水文循環特性。 -
Through the study of characteristic of macroelement, microelement, rare - earth element, oxyhydrogen isotope, sulfur isotope, lead isotope, fluid inclusion etc, a conclusion can be drawn that metallogenic substance comes from the upper mantle with mixing of some substance from the upper crust latter. it is likely to have the same source with the surrounding rock
通過對礦床的常量元素、微量元素、稀土元素、流體包裹體特徵、氫氧同位素、硫同位素、鉛同位素等特徵的研究，認為成礦物質主要來源於上地幔，與周圍巖石存在著同源的可能性，後期有一定的上地殼物質混入，成礦作用有三期，分別與區內的花崗巖、二長花崗巖脈、雲煌巖脈有關。 -
Because of this, rempi technique can be used to study molecular spectrum, analytical chemistry, state - resolved detection, photoionization and photodissociation dynamic, laser isotope separation and combustion diagnose
Rempi技術在分子光譜、分析化學、態分辨探測、光電離解離動力學、同位素分離、燃燒過程的診斷和分析等研究領域中發揮著重要的作用。 -
We can talk about the half - life of a radioactive isotope, and indeed we can measure and state very very precisely what that half - life is
我們可以談論放射性同位素的半衰期，我們確實可以非常準確地測量和描述半衰期是什麼。 -
The global change study is one of the most spectacular and interesting environment scientific questions in the 1990 s. the message of global change stores in tree rings, ice core, loess, underground water, lake sediment and deep sea sediment, all these proxies record the information of global change. with the advances in stable isotope techniques, the isotopic tracer records the message of climatic variation and becomes a powerful tool that can understand paleoenvironment reconstruction and modern environment changing
全球變化研究是90年代以來最為引人注目和關切的環境科學問題之一。全球環境變化的信息儲存於樹輪湖泊冰芯黃土地下水和海洋沉積物等載體中，隨著穩定同位素技術的發展，同位素示蹤劑指示環境變化的信息，成為了解古環境再造和現代環境信息變化的一個強有力的工具。 -
Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects
尤其是在過去全球變化pages研究中，埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外，對于中國這樣典型的季風氣候國家，開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚，研究方法和研究內容上也比較簡單，還存在不小差距，既要進一步積累基礎資料，又要做區域對比，加強與相關學科的交叉研究。 -
After 40 hour irradiation time, about 7 ci of radioactive isotope 64cu was produced via 63cu ( n, y ) 64cu reaction. after simple disposal, the irradiated copper sample was installed in the high - intesity ion sputter source on the hi - 13 tandem accelerator. then 64cu ions extracted from the high - intesity ion sputter source and injected into the tandem accelerator, 64cu ions can be accelerated to an energy of 80 mev and formed the off - line rnb since natural
S ）的熱中於通量下，經過34個半衰期輻照，通過『 u … ， y ）生成放射性l司位素『 cll ，然後將放射性銅靶錐注入串列加速器強流濺射離于源中，引出mcll負離于，經刁串列加速器加速而得到能量為80mcv的離線放射性核束「 cll叭。 -
Associated with the study of lighter hydrocarbon constituent, carbon isotope, biomarker and inclusions, adopted the technique of oil source correlation on whole oil samples, it can be confirmed that the hydrocarbon source of viscous crude in permian, in the east slope of jimusaer depression, is pingdiquan formation mudstone ; carboniferous oil comes from carboniferous source rock. meanwhile, the causes of oil formation are investigated based on datum of reservior geochemistry : viscous crude of permian is the result of biodegradation and low maturity working together, and that lighter hydrocarbon constituent of carboniferous oil is missing. at last, the mode and mechanism of the oil pool formation are analysed in the study area according to the structure phylogeny, sedimentary history, and data of reservior geochemistry
本論文根據輕烴、碳同位素、生物標志化合物等資料，運用全烴地球化學油源對比方法進行油源對比，得出吉木薩爾凹陷東斜坡區二疊系的稠油來自平地泉組泥巖，石炭系的稀油來自石炭系本身源巖；同時，根據地化資料研究了原油的成因，認為二疊系稠油是生物降解和成熟度較低共同作用的結果，石炭系的稀油存在輕組分散失現象；最後，綜合構造、沉積、烴源巖和油藏地球化學資料，分析了吉木薩爾凹陷原油的成藏機制和模式。 -
However, only limited data have been available for hydrogen isotope system, so there is not a rigorous thermodynamics model which can accurately predict thermodynamic properties and phase equilibrium of hydrogen fluid by now
然而，由於氫同位素物系的一些特殊性，使氫溶液的汽液平衡數據很難測得，到目前為止，還沒有一個可以準確描述氫溶液的熱力學模型。 -
The author reviewed the detection measures of prunus necrotic ringspot virus, and related the research progression of the pathogen detection technology inside and outside. the template amplication technology include pcr assays ^ nasba and so on. the cdna and crna probe which labeled with the isotope % biotin or dig, the offset probe and the peptide probe can be applied to magnify the signal. pcr - gene scan assays and pcr agilent chip chamber combine the template amplication and the signal magnification
本文回顧了李壞死環斑病毒的檢測方法，較全面地評述了國內外病原物檢測技術研究進展：在模板的擴增有各種pcr技術、 nasba技術；在信號的放大有同位素、生物素或dig標記的cdna和crna探針，分支探針和肽核酸探針；模板擴增和信號放大相結合的有pcr -基因掃描技術、 pcr安捷倫晶元實驗室技術；模板擴增和雜交以及信號放大相結合的有pcr - elisa技術、實時熒光pcr技術、生物晶元技術。 -
Lmpa, the relationship is f di = l 55xl0 - " e47j l t ) in this range, the relative error of the hydrgen permeabilty bbeen the experimental values and the formula values are less than 3 %, the durability test showed that after the cycle experiments of prcssure and tempebe for 30 days, the perfrmance of the membran did not change, at last, the theory of hydrogen permeaton was discussed, too. through this work, the pfepared surf ases modified zirconium memran can satisfy the requirement of the purity and the permeating fiux of hydrogen isotope gas
Imp范圍內，鋁表面改性選擇滲氫膜的數學表達式為： （ 1320 i 155x10 」 exd l 「 t ）在這個溫度和壓差范圍內，滲氫系數的實驗數據計算值與數學公式計算值的誤差在3以內；鉻表面改性選擇滲氫膜的壽命考核實驗表明，經過連續30大的循環溫度、壓力實驗，膜的質量、性能無變化；並討論了膜的滲氫理論。 -
The double isotope release unit applying piston - like igniter and efficient control electric circuit can release " the tiny ball " and isotope at one pass trip, and enhances testing efficiency
應用活塞式點火頭裝置以及有效的控制電路設計的雙同位素釋放器，一次下井就可以完成「冷球」和同位素的釋放，提高了測試效率。 -
A rigorous thermodynamic model which can be used in simulation of hydrogen isotope - separation by cryogenic distillation is then obtained
可作為低溫精餾分離氫同位素的一個嚴格的熱力學模型。
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