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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。

The characters of accumulation and tolerance of Pelargonium horlarum to Pb in the soil were investigated on the basis of pot experiment. The results showed that Pelargonium horlarum has greater tolerance to Pb.

采用温室盆栽培苗和室内原子吸收法,研究天竺葵在铅污染土壤中对铅的吸收和耐性特征以及铅在其体内分布规律。

There was a low accumulation of Pb in Pelargonium horlarum. When the Pb concentration in soil was increased by 1500 mg/kg, the Pb was accumulated by 169.5 mg/kg only. The plant content of Pb was lower than the hyperaccumulator critical content. The shoot' accumulation of Pb was significantly higher than that of root.

随着土壤中铅浓度增加,与对照相比,生物量在铅浓度增加1000 mg/kg时,才有显著下降;但对铅的吸收量较低,当土壤中铅浓度增加1500 mg/kg时仅吸收169.5 mg/kg;地上部分吸收量远小于地下部分的吸收量,转移系数小于0.5。

Results The serum level of copper smeltery workers was correlated positively to the lead consistency in air (r=0.957,P<0.01). With the increase of the serum lead level, the incidence of disease symptom tended to increase.

结果 铜冶炼工人血铅值与空气中铅浓度呈正相关(r=0.957,P<0.01),随着血铅值的上升,疾病症状发生率有上升趋势,吸烟能影响铅的吸收。

But Pb-Cu alloy liquid is immiscibly and generally and rapidly separated into two distinct layers due to the big difference of density and melting points between the Cu and Pb; it is difficult to produce the uniformly dispersed microstructure without segregation.

但是铜铅合金熔炼时,铜与铅的熔点、比重差距大,而且铅在铜中的溶解度很低,最终组织极易形成严重偏析,严重影响产品质量,很难制造出铅弥散分布于铜中的优质合金。

The nickelous chloride both may use in to galvanize, and is prepares the galvanization chemical thionamic acid nickel the important raw material, lead is affects the electronickelling quality a important attribute, in the present industry 331 ion exchange resin deleading effect still could not arrive in the electronickelling the lead content standard, used pocket weak basicity resin XSC312 after the screening experiment determination to take from the nickelous chloride solution intermediate ion exchange except the micro lead resin, inspected the material fluid pH value, the contact duration in the ionic exchange column to the ionic exchange adsorption lead influence, has determined the resin adsorption capacity and inspected the resin analysis performance.

氯化镍既可用于电镀,又是制备电镀化学品氨基磺酸镍的重要原料,其中的铅是影响电镀镍质量的一个重要因素,现行工业中的331离子交换树脂除铅效果尚不能到电镀镍中铅含量标准,经过筛选试验确定采用大孔弱碱性树脂XSC312作为从氯化镍溶液中离子交换除微量铅树脂,在离子交换柱中考察了料液pH值、接触时间对离子交换吸附铅的影响,测出了树脂的吸附容量并考察了树脂的解析性能。

The ore is lead mine of partial oxidation,the lead ore consists chiefly of galena and cerusite.

所处理矿石为半氧化铅矿石,矿石中铅以方铅矿和白铅矿形式产出,铅的氧化物主要为白铅矿,分布率达39%。

The main technological innovation is as follows: Adopting collector Bp was of high-effect to float copper; using no-toxic and combinatorial depressants to depress lead, the experiment was carried out effectively for separation of copper-lead; Adopting processing of copper middle to concentrate a cyclone classificating and a mill regrinding, it solved the vicious cycle of the lead and was of low dissociation.

其主要技术创新点有:采用高效捕收剂BP实现铜铅优先浮选;采用高效无毒组合抑制剂实现铜铅的有效分离;采用铜中矿集中旋流器分级再磨处理解决了铅的恶性循环和单体解离度低,有效地解决了铜铅分离的技术难题。

The effects of some physical chemical properties of soil and variety forms of lead on accumulation in Houttuynia cordata Thurib were discussed, the effects of lead on growth and physio-biochemical characteristics were discussed, and the absorption and tolerance of lead in Houttuynia cordata Thunb were studied especially by Filed Survey, Analysis Sampling, Pot Experiment and Hydroponic Experiment.

通过野外调查及采样分析、土培试验和水培试验,本文探讨了土壤理化性质和土壤不同铅形态对鱼腥草吸收累积铅的影响,铅处理对鱼腥草生长及生理生化特性的影响,以及鱼腥草对铅的吸收特性和耐性。

With modified sequential extraction and separation analysis method, lead in tea garden was divided into six fractions: water soluble, exchangeable, bound to carbonates, bound to Fe-Mn oxides, bound to organic matter, and residual.

通过改进的连续浸提试验,将高铅茶园土壤及常态茶园土壤中铅的存在形态可分成6种形态:水溶态、可交换态、碳酸盐结合态、铁锰氧化物结合态、有机物结合态和残渣态,并用 ICP-OES 法检测了各种形态铅含量及总铅含量。

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