已购课程
个人中心
内容中心
关注我们
APP下载
反馈
12.2 Experiment of Preparation of potassium nitrosodisulphonate
976 播放
收藏
下载
手机看
登录后可发评论

评论沙发是我的～

热门评论(0)
    全部评论(0)
      选集(65)
      自动播放
      [1] 1.1 Operation of ...
      5082播放
      03:52
      1.1 Operation of Gravity Filtration
      [2] 1.2 Operation of ...
      2627播放
      01:57
      1.2 Operation of Vacuum Filtration
      [3] 1.3 Operation of ...
      1204播放
      02:21
      1.3 Operation of pH Meter
      [4] 1.4 Operation of ...
      1461播放
      02:07
      1.4 Operation of 721G-Spectrophotometer
      [5] 2.1 Principles of...
      998播放
      05:41
      2.1 Principles of Purification of Sodium Chloride
      [6] 2.2 Experiment of...
      968播放
      06:56
      2.2 Experiment of Purification of Sodium Chloride
      [8] 3.1 Principles of...
      635播放
      06:13
      3.1 Principles of Purification of Copper Sulfate
      [9] 3.2 Experiment of...
      914播放
      04:20
      3.2 Experiment of Purification of Copper Sulfate
      [10] 3.3 Online Virtua...
      781播放
      06:47
      3.3 Online Virtual Experiment of Purification of Copper Sulfate
      [11] 4.1 Principles of...
      1191播放
      04:36
      4.1 Principles of Acid-Base Reaction and Buffer Solution
      [12] 4.2 Experiment of...
      1134播放
      03:24
      4.2 Experiment of Acid-Base Reaction and Buffer Solution
      [17] 6.1 Principles of...
      849播放
      03:37
      6.1 Principles of Oxidation-reduction Reactions
      [18] 6.2 Experiment of...
      1355播放
      08:47
      6.2 Experiment of Oxidation-reduction Reactions
      [19] 6.3 Online Virtua...
      1336播放
      09:12
      6.3 Online Virtual Experiment of Oxidation-reduction Reactions
      [20] 7.1 Principles of...
      692播放
      08:06
      7.1 Principles of Properties of p-Block Elements
      [21] 7.2 Experiment of...
      717播放
      01:41
      7.2 Experiment of Properties of p-Block Elements
      [22] 7.2 Experiment of...
      572播放
      01:17
      7.2 Experiment of Properties of p-Block Elements
      [23] 7.2 Experiment of...
      663播放
      00:39
      7.2 Experiment of Properties of p-Block Elements
      [24] 7.2 Experiment of...
      834播放
      02:03
      7.2 Experiment of Properties of p-Block Elements
      [25] 7.2 Experiment of...
      834播放
      02:05
      7.2 Experiment of Properties of p-Block Elements
      [26] 7.2 Experiment of...
      1419播放
      01:19
      7.2 Experiment of Properties of p-Block Elements
      [27] 7.2 Experiment of...
      694播放
      01:06
      7.2 Experiment of Properties of p-Block Elements
      [28] 7.2 Experiment of...
      1262播放
      01:05
      7.2 Experiment of Properties of p-Block Elements
      [29] 7.2 Experiment of...
      791播放
      03:10
      7.2 Experiment of Properties of p-Block Elements
      [30] 7.2 Experiment of...
      914播放
      01:24
      7.2 Experiment of Properties of p-Block Elements
      [31] 7.2 Experiment of...
      1368播放
      01:16
      7.2 Experiment of Properties of p-Block Elements
      [32] 7.2 Experiment of...
      1040播放
      00:52
      7.2 Experiment of Properties of p-Block Elements
      [33] 7.2 Experiment of...
      666播放
      00:39
      7.2 Experiment of Properties of p-Block Elements
      [34] 7.2 Experiment of...
      1155播放
      01:00
      7.2 Experiment of Properties of p-Block Elements
      [35] 7.2 Experiment of...
      1016播放
      02:44
      7.2 Experiment of Properties of p-Block Elements
      [36] 7.3 Online Virtua...
      1509播放
      15:39
      7.3 Online Virtual Experiment of p-Block Elements
      [37] 8.1 Principles of...
      647播放
      05:13
      8.1 Principles of Properties of d-Block elements
      [38] 8.2 Experiment of...
      955播放
      07:38
      8.2 Experiment of Properties of d-Block Elements
      [39] 8.2 Experiment of...
      746播放
      01:24
      8.2 Experiment of Properties of d-Block Elements
      [40] 8.2 Experiment of...
      988播放
      03:09
      8.2 Experiment of Properties of d-Block Elements
      [41] 8.2 Experiment of...
      778播放
      02:47
      8.2 Experiment of Properties of d-Block Elements
      [42] 8.2 Experiment of...
      936播放
      06:10
      8.2 Experiment of Properties of d-Block Elements
      [43] 8.2 Experiment of...
      676播放
      06:10
      8.2 Experiment of Properties of d-Block Elements
      [44] 8.2 Experiment of...
      1218播放
      00:27
      8.2 Experiment of Properties of d-Block Elements
      [45] 8.2 Experiment of...
      734播放
      01:25
      8.2 Experiment of Properties of d-Block Elements
      [46] 8.2 Experiment of...
      619播放
      00:43
      8.2 Experiment of Properties of d-Block Elements
      [47] 8.3 Online Virtua...
      805播放
      16:19
      8.3 Online Virtual Experiment of d-Block Elements
      [48] 9.1 Principles of...
      821播放
      04:29
      9.1 Principles of Preparation of Zinc-Containing Drugs
      [49] 9.2 Experiment of...
      1391播放
      06:35
      9.2 Experiment of Preparation of Zinc-Containing Drugs
      [54] 11.1 Principles o...
      1027播放
      02:59
      11.1 Principles of Preparation of Ferrous Citrate
      [55] 11.2 Experiment o...
      800播放
      03:05
      11.2 Experiment of Preparation of Ferrous Citrate
      [56] 11.3 Online Virtu...
      1440播放
      04:59
      11.3 Online Virtual Experiment of Preparation of Ferrous Citrate
      [57] 12.1 Principles o...
      1220播放
      02:22
      12.1 Principles of Preparation of potassium nitrosodisulphonate
      [58] 12.2 Experiment o...
      976播放
      待播放
      12.2 Experiment of Preparation of potassium nitrosodisulphonate
      [60] 13.1 Principles o...
      1157播放
      03:14
      13.1 Principles of Preparation of Zinc Gluconate
      [61] 13.2 Experiment o...
      1478播放
      06:23
      13.2 Experiment of Preparation of Zinc Gluconate
      [62] 13.3 Online Virtu...
      1086播放
      08:43
      13.3 Online Virtual Experiment of Preparation of Zinc Gluconate
      为你推荐
      05:23
      自制闺蜜手环，用瓶子就能做的手镯，...
      1564播放
      自制闺蜜手环，用瓶子就能做的手镯，还能做成透明的
      01:28
      仅凭叉子和一枚硬币，就能化腐朽为神...
      1948播放
      仅凭叉子和一枚硬币，就能化腐朽为神奇！打造出价值不菲的奢侈品
      02:13
      同学过生日可以做一个手工皮筋手串送...
      975播放
      同学过生日可以做一个手工皮筋手串送给同学，戴在手上很好看
      04:20
      教你制作三角插七彩爱心收纳盒，非常...
      1060播放
      教你制作三角插七彩爱心收纳盒，非常好看，还很结实耐用！
      02:21
      旧毛衣不穿了？扔掉多浪费？将毛线绕...
      1313播放
      旧毛衣不穿了？扔掉多浪费？将毛线绕在“水笔”上：成品太惊艳！
      01:01
      珍珠项链断了别扔？教你简单“换新款...
      1421播放
      珍珠项链断了别扔？教你简单“换新款”，成品漂亮得不得了！
      02:45
      掉进马桶里的钻石被男人一口吞掉3
      5194播放
      掉进马桶里的钻石被男人一口吞掉3
      01:00
      这种银镯子就不要给孩子戴了！
      1386播放
      这种银镯子就不要给孩子戴了！
      01:51
      手把手教你平安扣挂绳的经典绑法，结...
      1279播放
      手把手教你平安扣挂绳的经典绑法，结实美观，一学就会！
      01:08
      在不穿的旧毛衣上，用废旧绣线简单“...
      1550播放
      在不穿的旧毛衣上，用废旧绣线简单“换新款”：瞬间美翻了，聪明
      01:03
      将绣线“缝”在旧毛衣上，竟然有如此...
      1136播放
      将绣线“缝”在旧毛衣上，竟然有如此神奇的妙用？这也太聪明了吧
      02:16
      为什么不能戴黄金项链？我也才知道，...
      1449播放
      为什么不能戴黄金项链？我也才知道，好多人不当回事，尽早取下来
      01:01
      珍珠项链断了别扔？穿起来钉在旧毛衣...
      966播放
      珍珠项链断了别扔？穿起来钉在旧毛衣上，不仅效果时尚，还超灵动

      增值电信业务经营许可证 粤B2-20090191

      工业和信息化部备案管理系统网站 粤B2-20090191-18