1、One means of accomplishing this end is to add trivalent cations to the water.
實現(xiàn)這一目的的一種方法是將三價陽離子加入水中。

2、a bivalent and trivalent metallic element of the rare earth group.
稀土屬二價和三價金屬元素。

3、Formate-A acid system was a sulfate trivalent chromium plating process with low concentration.
甲酸-羧酸a體系是一種低濃度的硫酸鹽三價鉻電鍍工藝。

4、Trivalent chromium and hexavalent chromium are two main states of the chromium in foods.
三價鉻及六價鉻是食品中微量元素鉻的兩種主要存在價態(tài)。

5、STUDY OF EDTA TRIVALENT CHROMIUM ELECTROPLATING
用EDTA為絡(luò)合劑的三價鉻鍍鉻工藝研究

6、a trivalent metallic element of the rare earth group; occurs with yttrium
稀土屬三價金屬元素，與釔共生。

7、a bivalent and trivalent metallic element of the rare earth group
稀土屬二價和三價金屬元素。

8、The major advantages and disadvantages of trivalent chromium electroplating were introduced.
介紹了三價鉻鍍鉻的主要優(yōu)點與缺點。

9、The usual source of trivalent cations in water treatment is alum.
在水處理中三價陽離子通常來源于明礬（硫酸鋁） 。

10、Galvanized to trivalent chromium and hexavalent chromium passivation passivation process.
鍍鋅為三價鉻鈍化及六價鉻鈍化工藝。

11、The chromium deposition velocity of trivalent chromium electroplating was researched.
對三價鉻電解液鍍鉻的沉積速度進行了實驗研究。

12、Trivalent chromium plating can be divided into chloride and sulfate systems.
三價鉻電鍍分為氯化物體系和硫酸鹽體系。

13、The history of trivalent chromium electroplating was looked back.
回顧了三價鉻鍍鉻的歷史。

14、Of or containing trivalent nickel, Ni3+.
含三價鎳的有或含三價鎳的，Ni3＋

15、a trivalent metallic element of the rare earth group; occurs with yttrium.
稀土屬三價金屬元素，與釔共生。

16、BH-88 trivalent chromium sulfate plating process was chosen.
選用BH- 88硫酸鹽三價鉻鍍鉻工藝。

trivalent翻譯