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The better condition synthesizing the assorted minerals of zirconolite and sphene doping neodymium is holding 30 min at 1230℃, and the better formula is nCa(subscript 1-x/2-y/4 Zr(subscript 1-y/4);Al(subscript x/2) Ti(subscript 2-x/2O7): nCa(subscript 1-x NdAl Ti(subscript 1-x)SiO5[4/(4-y)]:1. Nd(superscript 3+) can enter crystal lattices of ite and sphene. Sphene can immobilize Zr(subscript 4+), Al(subscript 3+) and Nd(subscript 3+); Zr(subscript 4+) and Nd(subscript 3+) replace Ca(subscript 2+), and Al(subscript 3+) replaces Ti(subscript 4+). Zirconolite can immobilize Al(subscript 3+) and Nd(subscript 3+) Nd(subscript 3+) replaces Ca(subscript 2+) and Zr(subscript 4+), and Al(subscript 3+) and replaces Ti(subscript 4+).
研究表明:钙钛锆石和榍石组合矿物固化体较佳的合成条件是在1230℃条件下保温30min,较佳配方的摩尔比为nCa(下标 1-x/2-y/4 Nd(下标 x+y/2)Zr(下标 1-y/4)Al(下标 x/2)Ti(下标 2-x/2) O7:nCa(下标 1-x Nd Ti(下标 1-x)-SiO5=[4/(4-y)]:1;Nd(上标 3+)能够进入钙钛锆石和榍石晶格,榍石能够固溶Zr(上标 4+)、Al(上标 3+)、Nd(上标 3+),Zr(上标 4+)和Nd(上标 3+)取代Ca(上标 2+)位,Al(上标 3+)占据Ti(上标 4+)位,钙钛锆石能够固溶Al(上标 3+)、Nd(上标 3+),Nd(上标 3+)进入Ca(上标 2+)位和Zr(上标 3+)位,Al(上标 3+)占据Ti(上标 4+)位。
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T a ke your right h a nd to the b a ck of the f a bric a nd pull the needle a nd floss through the hole in the upper right h a nd corner.
以右手织物的回拉针和使用牙线通过在右上角洞。
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3 Offers of technical alternatives shall be accompanied by all information necessary for a complete evaluation, including design calculations, drawings, method statements a'nd specifications for materials a'nd workmanship where the alternative is not covered by the Specification, together with a breakdown of the alternative prices a'nd the Total Alternative Contract Sum.
供选择的技术方案应伴有供全面评价的必要信息,包括设计计算、图纸、方法及原技术规范中未涉及的材料、工艺的规格,以及供选择方案的标价细目表和供选择方案的合同价格。
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och h:卫生局许可证
? Milj? och h?lsotillst?nd 卫生局许可证 | ? Tillst?nd fr?n brandmyndigheten 消防许可证 - (如果用煤气) | ? Tillst?nd fr?n fastighets?garen 房东许可
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a an appal t sb:向某人提出呼吁;上诉 apply n's nd t 专心于
a advans 取得进步;接近;预付 | a an appal t sb 向某人提出呼吁;上诉 apply n's nd t 专心于... | a as 假装;装作
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save it in a bank nd use judiciously:如果我是亿万富翁,我要
放假的话,我要...Game | 如果我是亿万富翁,我要save it in a bank nd use judiciously | 如果我是超人,我要rescue good people nd punish d bad