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助熔的英文

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"助熔"怎么读用"助熔"造句

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  • fluxing

例句与用法

  • Requirements for electronic grade solder alloys and fluxed and non - fluxed solid solders for electronic soldering applications
    电子钎焊用电子级钎料合金及助熔和非助熔固体钎料的要求
  • En iso 12224 - 1 solder wire , solid and flux cored . specification and test methods . part 1 : classification and performance requirements
    助熔填充焊丝和实芯焊条.规范和试验方法.第1部分:分类和性能要求
  • We researched the influences of systhesis temperature , heat preservation time , eu + concentration , reduction surrounding feeling and flux on luminescent properties of sral2o4 : eu2 + phosphors , optimized the experiment conditions and reduced systhesis temperature about 100 c . we found that the systhesized sample ' s luminescent brightness is better with increasing systhesis temperature , but the phase component is more complex . we found that the luminescence brightness of sample appear a increasing process at first , and then a reducing one with the raise of eu2 + concentration , it indicated that the luminescence brightness is not better if the eu2 + concentration is too high or low . we found that the systhesized sample can not bright at too long heat preservation time , and the luminescence brightness is lower at too short heat preservation time . we found that particle diameter is bigger , the wavelength of emission peak is longer
    研究发现合成温度高,合成样品的发光效果好,但物相组成也较复杂; eu ~ ( 2 + )离子在一定掺杂浓度范围内,合成样品的发光亮度先是出现一个提高过程,然后是一个降低过程,说明eu ~ ( 2 + )离子浓度高或低都不利于合成样品发光;保温时间较长,合成样品不发光,保温时间较短,合成样品发光效果不好,只有合适的保温时间才能合成发光效果好的样品;合成样品的粒径大小与发射峰的位置具有一定的关系,粒径越大,发射峰越偏向长波方向;助熔剂对样品的合成温度和发光性能都有影响,助熔剂的量较低时,主要表现为助熔作用,对发光影响不大,助熔剂的量较高时,使得样品发光亮度降低和余辉时间缩短;还原方式的不同,合成样品的发光性能也不一样。
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