Stainless steel, which is partially made of nickel, is commonly used as a base metal for porcelain crowns.

不銹鋼，這是部分作出的鎳，是常用的基本金屬的烤瓷冠。

They are manufactured through the use of base metal which is in general a brass or a nickel that would pass on electroplating process.

他們是通過生產(chǎn)基地的金屬一般的黃銅或鎳是，將通過對(duì)電鍍過程中使用在线看的欧美中文免费网站。

Stainless steel 35-42 °Be FeCl 3 35-55 Mild steel 35-42 °Be FeCl 3 35-55 Beryllium copper 30-42 °Be FeCl 3 or 40-55 ammoniacal copper or 33 °Be acidic CuCl 2 Copper and copper 30-42 °Be FeCl 3 or 40-55 alloys ammoniacal copper or 33 °Be acidic CuCl 2 Inconel and other 38-42 °Be FeCl 3 or 45-55 high nickel alloys conc nitric/conc hydrochloric acid/water 1:1:3 Aluminium 20% NaOH 60-90 or conc hydrochloric 20-65 acid/water 1:4 55 or alkaline potassium ferricyanide Brass 30-42 °Be FeCl 3 or 40-55 ammoniacal copper or 33 °Be acidic CuCl 2 Molybdenum Alkaline potassium 55 ferricyanide 40-55 or 40 °Be Fe(NO 3 ) 3 Titanium 10-50% HF 30-50 (optionally with HNO 3 )*The concentration of etchant (column 2) is measured in Degrees Baume where:°Be = 145 (SG - 1/SG); and SG is the specific gravity of the solution.

表美- 00002表2金屬共同腐蝕劑*溫度° C的不銹鋼35-42 °成為氯化鐵三 35-55低碳鋼35-42 °成為氯化鐵三 35-55鈹銅30-42 °成為氯化鐵3或40-55氨銅或33 °是酸性CuCl的2銅及銅30-42 °成為氯化鐵三或40-55合金氨銅或33 °是酸性CuCl的2鎳鉻鐵合金和其他38-42 °成為三氯化鐵3或45-55高鎳合金濃硝酸/濃鹽酸/水1時(shí)01分03秒鋁20％的NaOH濃鹽酸60-90或20-65酸/水1：4 55或氰化鉀銅30-42 °堿性鉀成為三氯化鐵3或40-55氨銅或33 °是酸性CuCl的二鉀55鉬堿性鐵氰化鉀40-55或40 °成為鐵Fe（NO 3）3鈦10-50％的HF 30-50*的濃度對(duì)侵蝕劑（欄2）測(cè)量波美度其中：°成為= 145（法興- 1/SG）；和SG是比重国产亚洲精品AA片在线。

China is rich in iron ore, bauxite, zinc, nickel, coal and crude oil deposits.

中國(guó)擁有豐富的鐵礦石加勒比在线精品视频在线观看、鋁土礦、鋅、鎳九色91、煤炭和原油儲(chǔ)量国产视频第1页。

It is not uncommon for the hole remaining after skin cancer removal to be the size of a nickel.

它對(duì)保持的洞是正常的在皮膚癌移動(dòng)之后是鎳的大小。

Researchers believe that these asteroids will be packed with metals like nickel as well as ice.

研究人員認(rèn)為91精品无码视频，這些小行星擠滿了像鎳金屬以及冰毛片网址在线。

The effect of cobalt and nickel p-hydroxy benzoate s on the adhesion between NRand brass was studied.

研究了對(duì)羥基苯甲酸鈷和對(duì)羥基苯甲酸鎳對(duì)天然橡膠與黃銅粘合的影響。

Keywords amorphous nickel aluminium alloy catalyst;benzonitrile;benzylamine;catalytic hydrogenation

非晶態(tài)鎳鋁合金催化劑亚洲see图10；苯甲腈一级A毛片美女精品大片；芐胺；催化加氫

Benzonitrile was selectively hydrogenated into benzylamine under mild conditions over activated amorphous nickel aluminium alloy catalyst which was prepared by rapidly quenching method.

由銅鼓快速淬冷法制備的非晶態(tài)NiAl合金催化劑經(jīng)活化后用于催化苯甲腈加氫制芐胺的反應(yīng)亚欧一级AV网站，考察了溶劑種類亚洲一区二区三区动图、苯甲腈初始濃度、催化劑用量亚洲日本色图、反應(yīng)溫度及反應(yīng)壓力等因素的影響火辣辣福利视频，并測(cè)定了該催化加氫反應(yīng)的表觀活化能。

The results indicate that the foamed metals have the structure of dodecahedron with pentagonum casement toward space outspread. The framework self is the tube shape channels, which are cavate and nonentirely sealing. The whole framework is a maze structure connecting by this kind of channels. Folds and hollows besprinkle the surface of foamed nickel skeleton.

結(jié)果表明用本文方法制備的發(fā)泡金屬是一種向空間延伸的具有五邊形窗的十二面體結(jié)構(gòu)美国成年性生活片视频在线观看，發(fā)泡金屬骨架本身是中空的av在线视屏、非完全封閉式的管狀"通道"，整個(gè)骨架就是由這種"通道"連接的"迷宮"式的結(jié)構(gòu)国产黄片视频在线播放。