輕同位素 的英文怎麼說

中文拼音 [qīngtóngwèi]
輕同位素 英文
light isotope
  • : Ⅰ形容詞1 (重量小; 比重小) light 2 (數量少; 程度淺) small in number degree etc : 年紀很輕 be v...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  1. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元的含量增加,硼的含量降低,時證實了稀土元與過渡族元共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和稀土元ce 、 la介入后提高,重稀土元y介入后降低。
  2. Somatostatin can decrease the secretion of digest fluid so as to alleviate the abdomen distention ; it can much more efficienctly prevent the bowel bacteria immigration and peritonitis that to give the antibiotic agents via venous and gastric tube simultaneously

    應用生長抑可抑制消化液的生成,減腹脹;時經靜脈和腸道內給于抗菌藥物能更好地防治腸道細菌移和腹腔內感染。
  3. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究結果表明:對于本文的長圓形主鏡,採用正六邊形量化孔,鏡體結構剛性品質最好,正方形次之,正三角形最差;主鏡鏡體厚度存在最佳值;主鏡組件在1g重力、均勻溫升4共作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v值)越小,但時主鏡組件的剛體移增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因
  4. The essential elements and process of gas reservoir formation of ordovician in ordos basin have been annalysed systematicly and scientificly by means of the theory and method of organic geochemistry and tectonic geology in this dissertation. the several advanced techniques, such as gas generation thermal simulation, on - line individual gas compounds carbon isotope determination ( py - gc - c - ir - ms ), the analysis technique of light hydrocarbons and biomarkers in natural gas, gas migration simulation and gas carbon isotope determination in fluid inclusions, have been applied to focuse on the study of the gas generation mechanism of souce rock, correlation between gas and source rock, reservoir formation history, migration direction, charging road in detail

    應用有機地球化學和構造地質學理論和方法對鄂爾多斯盆地奧陶系天然氣地質研究中薄弱環節成藏要和作用進行了系統科學分析。利用烴源巖生氣定量熱模擬技術、熱模擬在線碳實驗技術、氣體烴和生物標志物分析技術、運聚成藏物理模擬技術和包裹體中碳分析技術等多種先進的實驗技術對烴源巖的生氣機理、氣源和混合比、成藏史、充注路徑、運移方向和構造作用與成藏關系等問題進行了深入的研究,在前人研究的基礎上,經過本次大量的實驗分析和綜合研究,提出了一些新的認識。
  5. 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

    本論文根據烴、碳、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;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作用的結果,石炭系的稀油存在組分散失現象;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。
  6. This is composed of a mixture of deuterium ( a rare isotope of hydrogen ) and lithium ( a light metal )

    核彈的主體部由一種氘與鋰的混合物組成,氘是一種稀有的氫元,而鋰則是一種金屬。
  7. ( 3 ) the free - standing porous silicon films with continuous porous structure were prepared on single crystal silicon wafer by the method of anodic oxidation and electrochemical etching - electropolishing, and firstly used as the anode materials for lithium ion secondary batteries. the capacities of lithium ions storage and the process of charge and discharge of this nano - silicon anode materials as well as the influence of the structure of ps on behavior of storing lithium ions were inspected at length. on the other hand, through the process of charge and discharge in cells, the lithium of light metal element could be electrochemically doped into ps at different doping levels

    胡勁松河北師死大學碩士學論文( 3 )利用陽極氧化法在單晶硅基底上制備了多孔硅自支撐膜,並首次將這種具有連續多孔結構的硅材料用作了理離子電池的陽極材料,考察了這種納米級硅陽極的儲鉀性能和充放電過程,分析了材料結構對其儲理行為的影響;另一方面,利用這種電池充放電過程在多孔硅中電化學引入了不點綴程度的金屬鉀元,考察了鉀點綴對多孔硅自身結構,及至性質所帶來的影響,提供了一種通過電化學方法插入埋離子從而連續調整多孔硅發光性質的有效方法。
  8. An hour later the next lighter stable isotope, xenon 134, appeared

    一小時之後,略一點的穩定氙134出現。
  9. By analyzing and generalizing minerogenetic and geological background, mineral constituent, rare - earth element, isotope and typomorphic feature of sulpurization mineral, finally, we made a conclusion that fankou desposit resulted from the hot spring eruption at the bottom of sea, it has a character of syngenetic sedimentary deposit, which was affected by the late hydrothermal superimposed and light rebuilding after it came into being, which is typical sedex bedded - controlled deposit

    通過對凡口礦床的成礦地質背景、礦物成分、稀土元以及的黃鐵礦、閃鋅礦、方鉛礦標型特徵進行了分析總結,確定了凡口礦床是海底熱泉噴溢形成的,時又受到後期熱液微疊加改造,屬于典型的sedex型層控礦床。
  10. The isotopic evidence indicates that they might be derived from a depleted mantle source, and probably contaminated slightly by continental materials

    組成特徵表明其來源於虧損地慢源區,可能受到微的地殼物質的混染。
  11. It had seemingly lost a large portion of the xenon 136 and 134 that would certainly have been created from fission, whereas the lighter varieties of the element were modified to a lesser extent

    它似乎喪失了大部份的氙136和氙134 ,而這兩種是核分裂過程中必定會產生的;相形之下,較輕同位素的含量變異較小。
  12. One of the sisters in our group knew acupuncture and had some knowledge of the body s chakras energy centers along the spinal column and head. when she was chatting with the young masseur at the shop, she mentioned that we were all vegetarians and meditated daily

    師姊曾學過針灸,也懂得一點穴道知識,當她與那幫人按摩的年人閑聊時,順便介紹我們行的人每天都吃打坐,並告知對方打坐可打通穴道。
  13. We also considered the physical sorting of different isotopes that sometimes takes place : heavier atoms move a bit more slowly than their lighter counterparts and can thus sometimes separate from them

    我們還考慮了有時會將各種排序分離的物理過程:較重的原子移動得比較慢,有時會因此與較的原子分離。
  14. Article 1 in order to strengthen the control of radiation accidents, to handle radiation accidents timely and effectively, and to reduce the consequences caused by the accidents, these provisions are formulated according to the provisions of the regulations on protection against radiation of radioactive isotopes and radial equipment ( hereinafter referred as the regulations ), and of other relevant laws and regulations

    第一條為加強放射事故的管理,及時有效處理放射事故,減事故造成的後果,根據《放射性與射線裝置放射防護條例》 (以下簡稱《條例》及其他有關法律、法規的規定,制定本規定。
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