Some of the light is absorbed and the light that returns is then analyzed in real time to determine the object ' s chemical content 有一些光线被吸收了，而反射回来的光线被即时分析以判定这物质的化学成份。
Testing of solid fuels - determination of chemical composition of fuel ash - part 11 : determination by inductively coupled plasma emission spectrometry icp - oes 固定燃料的试验.燃料灰渣化学成份的测定.用电感耦合
Green gas has always been mislabelled , with fake chemical formulas and incorrect pressure specifications - nobody questioned them 同时，绿气罐子外面也化学成份和压力参数也是被（厂家）故意错标的，长期没有人去怀疑它。
Selected chemical composition and new technical skill improve the quality of tensile strength , toughness , meltability of the steel 严格挑选化学成份，经新技术特别提炼后，能提高钢材本质伸延性、韧性、及溶接性，不容易爆裂。
Table 3 shows the change in the chemical composition of the process solution after 10 vol . % of hydrazine is added at the end of the fourth cycle 表3显示在第四个周期的最后，加入容积百分之10的氮化物，则其过程溶液中的化学成份会改变。
By adjusting the chemical composition of a material , scientists can fine - tune its wave - propagation characteristics for a specific application 科学家可以藉由调整材料的化学成份，精密调节该材料的电磁波传递特性，以符合特定的应用需求。
Based on the above data , explain why e . coli ceased growing in the chemically defined medium but continued to grow in the nutrient broth 根据上述数据，解释为何大肠杆菌在化学成份确定的培养基中停止生长，但是在营养肉羹培养基中又恢复生长。
Aluminium and aluminium alloys - designation of alloyed aluminium ingots for remelting , master alloys and castings - part 3 : writing rules for chemical composition 铝和铝合金.重熔母合金和铸件用合金铝锭的命名.第3部分:化学成份的书写规则
Aluminium and aluminium alloys - designation of unalloyed and alloyed aluminium ingots for remelting , master alloys and castings - writing rules for chemical composition 铝和铝合金.再熔母合金和铸件的非合金和合金铝锭的命名.化学成份的书写规则
3 samples are drawn from various vertical postions from molten copper and are tested by spectrometer to ensure the chemcial composition is withen the tolerance and homogeneous 每炉分上中下进行光谱分析保证化学成份在控制范围和合金成份均匀分布。
