Other ingredients you should avoid are partially hydrogenated oils, trans fat, and food dyes, which will be marked with a number symbol, such as red #40 or blue #5.
你应该避免的其他成分是部分氢化油、反式脂肪和食用色素，食用色素会用一个数字符号标出，比如红色#40或蓝色#5。
Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region.
乙烯和反式二氯乙烯在红外光谱的这个区域都无活性。
The features and welding defects of red copper trans-heat equipments and the causes to the defects are analyzed. Also, methods of defects prevention and welding optimization are discussed.
分析研究紫铜换热器的结构特点、性能、 焊接缺陷与产生原因，以及防止与消除其缺陷、优化制造施焊质量的工艺措施。
应用推荐