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he-he
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     STUDY OF INTERATOMIC POTENTIALS ABOUT He-He、Ne-Ne、Ar-Ar、Kr-Kr
     关于He-He、Ne-Ne、Ar-Ar、Kr-Kr原子间作用势能的研究
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     Morphological observation on rice seed by continuous irradiation of He-He laser
     连续He-Ne激光照射水稻种子的形态学观察
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     Methodological Problems in Chinese He-he Management
     中国式和合管理的方法论问题
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     Study on effects of milk goats' semen caused by He-He laser irradiation
     He-Ne激光照射奶山羊精液效果初探
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     ON THE STUDY OF POLARIZATION PROPERTIES OF He-He LASERSWITH INTERNAL CAVITY
     内腔式He—Ne激光偏振特性的研究
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  相似匹配句对
     He.
     He,用拉丁文和中文对其特征作了集要描述。
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     He X.
     He X.
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     On the Thought of He Xin-yin
     一代狂儒何心隐的思想意蕴
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  he-he
Several recently proposed forms of the3He quasiparticle energy spectrum in3He-He II mixtures are examined.
      
Energy spectrum, normal-fluid density, and specific heat of3He quasiparticles in dilute3He-He II mixtures
      
Low-energy He-He interactions with phenomenological potentials
      
The Galitskii-Feynman T matrix, which sums the infinite ladder series in a many-fermion system for both particle-particle and hole-hole scattering, is studied in detail for a family of realistic He-He interactions.
      
A simple physical model suggests that these oscillations, which reflect the presence of final-state interactions and interference effects, have their origin in similar oscillations which occur in the He-He scattering cross section.
      
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The He-He laser's power supply consist of CVT and L-C. CVT(constant voltage transformer) provides stablied voltage, and L-C act as constant current. It has the following properties: simple structure, very reliable in Working, high stability of current, very convenient in using and repairing.

由CVT稳压、L-C恒流的He-Ne激光电源,结构简单,工作可靠,电流稳定度高,使用和维修也很方便。

Based on geochemical characteristics of stable helium, argon, carbon and nitrogen isotopes for natural gas, origins of nonhydrocarbons and fluids are discussed. 3He/4He ratios in natural gas are 1.14-4.54 times as much as that in the air. Stable isotope compositions of argon of natural gas are rich in 40Ar (40Ar/ 36Ar=450-841) .Carbon isotope compositions (δ13CPDB) of carbon dioxide vary from-20‰ to -2‰.The δ15 Nvalues of natural gases range between -57.7‰ and 95.1‰.The values (Q) of heat fluid in the Sanshui...

Based on geochemical characteristics of stable helium, argon, carbon and nitrogen isotopes for natural gas, origins of nonhydrocarbons and fluids are discussed. 3He/4He ratios in natural gas are 1.14-4.54 times as much as that in the air. Stable isotope compositions of argon of natural gas are rich in 40Ar (40Ar/ 36Ar=450-841) .Carbon isotope compositions (δ13CPDB) of carbon dioxide vary from-20‰ to -2‰.The δ15 Nvalues of natural gases range between -57.7‰ and 95.1‰.The values (Q) of heat fluid in the Sanshui Basin calculated depend on He "He ratios, change from 72 mWm to 82 mWm-2.The high values of heat fluid and isotopic ratios of He. Ar. C and N have a relation to ancient volcanos. The geochemical qualities of stable isotopes of He, Ar, C and N in natural gases indicate that there are strong deep (matter and heat) fluids in the Sanshui basin.Part of He, Ar and N in some reservoirs came from the mantle. Nonhydrocarbons originated from the crust are mixed in various kinds of natural gases. Carbon dioxide in natural gases is mainly originated from the crust, CO2 depleted in 13C is mainly originated from degradation of organic matter in strata; but CO2 enriched in 13C are from reaction between carbonate rocks and under ground water and thermal fluids, and mixed in CO2 from the deep earth. An amount of heat fluid was derived from the upper mantle.

根据广东省三水盆地天然气中氦、氩、二氧化碳和氮等非烃组分的稳定同位素地球化学特征,探讨了该区天然气的来源以及大地热流。测得天然气中~3He/~4He(R)值为(1.60—6.36)×10~(-6),比大气的~3Ne/~4He(Ra)值(1.4×10~(-6))大:氩的稳定同位素组成(~(40)Ar/~(36)Ar=450—841)较大气氩富~(40)Ar;二氧化碳的δ~(13)C(PDB)值在-20—2‰的范围内,δ~(13)N(Air)值在-57—+95‰之间:根据(?)He,~4He值求得研究区的大地热流值(Q)为72—82mWm~(-2)。大地热流和非烃组分同位素组成的高值以及研究区特别发育的火山岩等地质资料表明三水盆地有较强的地球深部流体(物质的和热的)向上溢出。一些油气藏中相当一部分氦、氩和氮来自地幔,各种天然气中均混有地壳来源的非烃气体。贫~(13)C的二氧化碳气主要为地层中有机质分解的产物;富~(13)C的二氧化碳则主要来自岩石化学反应的产物,并混有深部来源的二氧化碳。相当一部分大地热流源于上地幔。

A dual oscillation of XeCl ultraviolet laser and Xe infrared laser has been achieved from a mixture of HCl/Xe/He/He pumped by fast transverse discharge. The factors which affect the Characteristics of laser and the kindle process were studied and analyzed.

Ho/Xe/He混合气体在横向快放电激发下同时输出XeCl紫外激光和Xe红外激光.研究了各参量对激光输出的影响,讨论了有关的动力学过程.

 
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