
刮胡刀的经典广告词
刮走的是岁月,留下的是青春。
轻轻一刮,不留痕迹 精于心简于型 奔腾剃须刀,剃须不残留 让手的触觉失灵,来自飞利浦? 飞跃生活新境界
(飞科剃须刀)
我想在朋友圈卖这个,谁给我想个劲爆的广告语
可能是消息太多,掩盖了。
或者是消息还在刷新,现在有些评论要经过审核才能发送。
还有哪些新型玻璃
看到那么多答非所问的智者,真是无语了
尽快帮你解决实际问题璃制镜化学镀银和两种方法,最常用的是化学镀银法。
这种方法是将硝酸银溶于水中,加氨水和溶液并稀释成氢氧化银氨复盐,制成镀银液。
以转化糖或甲醛、溶液为还原液。
将玻璃表面洗净,用稀溶液敏化,然后洗净,再用镀银液和还原液混合立即浸注表面,镜面形成后洗净,随后可镀铜和涂防护漆。
法是将玻璃洗净,置于0.1~10Pa真空度的蒸镀装置中,将螺旋状钨丝通电,产生的高温使螺旋中铝合金蒸发成气态,沉积在玻璃表面形成镜面。
亦可用电子枪代替钨丝加热。
法还可将光滑的金属表面加工成镜面,但是不适合个人家庭操作。
日照洁丽日化,最简单制作镜子的方法: 镀制0.5平方米的镜子,需用硝酸银5克、氨水(25%)10~15毫升、2克、葡萄糖1.3克、酒精25毫升、少许。
先配制甲溶液;取硝酸银置于干净无油的500毫升玻璃杯中,加100毫升蒸馏水溶解,滴入氨水,边加边搅拌。
最初有灰色沉淀出现;继续加氨水至沉淀完全溶解。
溶液澄清后将2克加50毫升水溶角后倒入,冷却即可。
原料及要求;玻璃应是平整无缺,中间无气泡的透明玻璃;硝酸银,含量在99.5%以上;氨水,浓度为25—28%;,要化学分析纯;前期制作; 按规格裁好玻璃后,先用自来水冲洗正反两面,然后将铁红粉带水涂在要镀的一面,待干后擦去铁红 粉,水洗干净。
再用微量的溶液擦洗玻璃要镀的面。
洗后用水冲净残余的氯化亚锡,最后用干净的水冲一下玻璃。
镀银程序; 将洗干净的玻璃平放在水平的木架或木条上,取银液一份和还原液一份搅拌匀倒上。
药液以不流掉为度。
约每平方米2分升左右。
待其渐渐在玻璃上反应出银镜,将多余的药液倒掉,用水冲洗,倒上千分之十的明胶晾干。
干后再在上面涂一层或其它防锈漆,1块完美的镜子就制作成了。
银液配制;蒸馏水(冷开水也可代替)2500毫,硝酸银25克,氨水18.5毫升(经化学反应澄清为止)。
还原液体;蒸馏水(冷开水也可)2500毫升,25克,上液加热澄清后再放入硝酸银0.5%,药液守滤后备用。
明胶液体;水1000毫升,明胶10克,隔水蒸化。
加适量香蕉水作为稀释液搅拌成漆液。
我是日照洁丽日化 技术研发人员 李宇杰,相关不明白的,可以微信SDJLRH。
当然,也可以淘小宝店“日照网”随时帮你解答,打字很费事,用了我好多时间,希望这次能帮到你。
department\\\\faculty\\\\school\\\\academy\\\\college有什么区别
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