例句與造句

1. analysis of helium cryogenic cycle for the cooling of cold neutron source
   用于冷中子源系統(tǒng)的氦制冷循環(huán)方案分析
2. according to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ), the designs of several new instruments, i . e . two cold neutron guides ( cng ), one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ), have been simulated and optimized using monte-carlo simulation softwares, mcstas and vitess, first . requirement on the size of the cold neutron source ( cns ) by cngs has been also studied . the results of this thesis have provided essential data as a basis of the neutron instruments designs
   本論文結(jié)合當(dāng)前中國(guó)先進(jìn)研究堆(chinaadvancedresearchreactor，carr)中子散射工程譜儀建設(shè)的迫切需要，選擇國(guó)際上廣泛使用的通用中子散射譜儀模擬軟件mcstas和vitess作為模擬研究工具，首次對(duì)若干臺(tái)新建譜儀的設(shè)計(jì)方案進(jìn)行了全面的模擬和優(yōu)化研究，包括兩條冷中子導(dǎo)管、中子應(yīng)力衍射儀和高分辨中子粉末衍射儀，并配合冷源設(shè)計(jì)研究了導(dǎo)管對(duì)冷源尺寸的要求。
3. It's difficult to find cold neutron source in a sentence. 用cold neutron source造句挺難的