For quite some time after being discovered, the use of cockroaches has not been shown because it is difficult to produce. With the improvement of the rare earth element separation process, for purifying a compound of scandium now, there is considerable compared to mature process because scandium, yttrium and the lanthanides, the alkali hydroxide is the weakest, so The rare earth element mixed ore containing strontium is precipitated first by treatment after being transferred to the solution and treated with ammonia, so it can be easily separated from the rare earth element by the "staged precipitation" method. Another method is to use the fractional decomposition of nitric acid for separation. Since cerium nitrate is most easily decomposed, the purpose of separating cerium can be achieved.

In addition, uranium, thorium, tungsten, tin and other minerals associated in the comprehensive recovery of scandium scandium is also an important source.

After obtaining pure scandium compound, which was converted to ScCl3, and KCl, LiCl eutectic, with molten zinc electrolysis as the cathode, the scandium will be deposited on the zinc electrode, and the zinc metal can be evaporated scandium.

It is a lightweight silver- white metal that is also very reactive and reacts with hot water to form hydrogen. Therefore, the metal crucible that everyone sees in the **** is sealed in a bottle and protected with argon. Otherwise, it will quickly form a dark **** or gray oxide layer, losing the shiny metallic luster. <

Modern Classic Table

Table of intent, refers exclusively for the table to eat with. Material can be divided into wood tables, wood tables, marble dining table, marble dining table, marble coffee table, dining table jade, jade dining table, jade coffee table, marble dining table.


Round table

Roundtable if the living room, dining room furniture is square or rectangular, round table diameter increments from 150mm. In most small and medium housing, as with a diameter of 1200mm table, too often too large, it can be customized a diameter of 1140mm the round table, the same can sit 8-9 people, but it looks more spacious space. If the diameter of 900mm above table, although people can sit, but too much should not be placed fixed chair. As the diameter of 1200mm table, put 8 chairs, very crowded. 4-6 can put chairs. In people for a long time, and then folding chairs, folding chairs in storage compartment collection.


Rectangular table

760mmx760mm square table square table and rectangular tables 1070mmx760mm is a common table size. If the chair can be inserted into Zhuodi, even a small corner, you can put a six-seater dining table, dinner, only the need to pull out some of the table on it. 760mm width is standard size table, at least not less than 700mm, otherwise, due to the table when sitting too narrow feet touch each other. Table legs preferably shrink in the middle, if four legs arranged in the four corners, very inconvenient. Table height is generally 710mm, with 415mm seat height. Be lower desktop, when dining, food on the table can be seen more clearly.

Marble Dining Tables, Plywood Dining Table, Modern Dining Table and Chairs, Tables and Chairs for Restaurants

Taizhou Pinsum Furniture Co.,Ltd , https://www.pinsumchina.com

November 21, 2021