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052 Describes and claims a body of polycrystalline dielectric ceramic material having a lead zirconate--lead titanate--lead stannate composition falling within the area A B C E F of the triaxial diagram 1d of the drawings accompanying this specification and containing at least one substitutional additive ingredient selected from the group consisting of elements having respective ionic radii sufficiently close to the ionic radius of one of the elements lead, tin, titanium, zirconium and oxygen to permit of substitution, and a valence state differing from that of said one element by less than three units, the aggregate quantity of additive ingredient amounting to from 0.1 to 5 percent of the replaced ion on an atom basis, each additive ingredient present in said material being in ionic form and substituting for a finite percentage of the ions of a particular one of the elements lead, tin, titanium, zirconium and oxygen with respect to which it conforms with regard to ionic radius and valence state, said additive ingredient replacing a quantity of said elements having in the aggregate an equal number of valence units.
参考译文：第 1012052 号专利说明书介绍一种含有锆酸铅，钛酸铅，锡酸铅的多晶陶瓷介质材料，其组成在说明书附图 ld 三元相图中处于 A B C E F 区域内，该组成至少还含有一种置换添加物，这种添加物从一组离子半径分别接近于铅，锡，钛，锆，氧的元素中选出，以利于互相置换，而与上述一种元素化合价之差应小于三价。该添加物的总量为被置换离子的 0.1%~5%克原子。上述材料中的每种添加物是以离子形式存在的，它以一定的百分数置换铅，锡，钛，锆，氧中的某一元素的离子。添加物在离子半径和价数上必须类似于上述任一元素，并且置换添加物的量与被置换的元素在总体上具有相等的化合价数。本句由两个简单句构成，一个主句，另一个是定语从句。
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In the presence of the combination of sulphuric and phosphoric acid, with sodium diphenylamine sulfonate as the indicator, standard solution of potassium dichromate was used to titrate total iron value.
试样以盐酸溶解后，在酸性介质中，先以氯化亚锡将三价铁大部分还原为二价，然后在钨酸钠指示下，再以三氯化钛将剩余的三价铁还原为二价，过量的三氯化钛以重铬酸钾氧化消除干扰，在硫磷混合酸存在下，以二苯胺磺酸钠为指示剂，用重铬酸钾标准溶液滴定全铁量。
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The assorted minerals of zirconolite and sphene doping simulated actinide neodymiumwere fabricated by solid reaction, using zircon, titanium dioxide, calcium carbonate, Al2O3 as raw materials.
以ZrSiO4、CaCO3、TiO2、Al2O3、Nd2O3为原料，引入Al3+作价态补偿，通过固相反应制备包容模拟三价锕系核素Nd的钙钛锆石(CaZrTi2O7)和榍石(CaTiSiO5)组合矿物固化体。
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Since the reaction conditions are moiled,and the productswere isolated easily,so it is a easy and new method for the preparation of complexescontaining titanium-tin bond.
反应的ESR研究发现，反应过程中存在三价钛中间体，包括〓X和〓，认为反应是经由自由基过程进行的。
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Zirconolite rich ceramics and Perovskite rich ceramics are fabricated for the incorporation of simulated trivalent actinide wastes, and the physical properties、XRD、SEM and durability tests are performed.
针对模拟三价锕系元素的固化，分别合成了富钙钛锆石固化体和富钙钛矿固化体，并对其主要性能进行了分析和比较，为其对三价锕系元素的固化提供了依
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colossal magnetoresistance：庞磁电阻
经充分研磨后压成片体,1673K下烧结10小时即得到所需复合样品.'>近些年来,人们发现在钙钛矿锰氧化物RAMnO(R为三价稀土金属元素LaPr,Sr等)中具有庞磁电阻(colossal magnetoresistance)效应,由于它在磁记录、磁传感器方面具有广泛的应用前景,