The sample was treated with releasing a-gent lanthanum chloride for the determination of Ca and Mg and treated with cesium chloride solution to suppress ionization for the determination of K and na.
测定钙、镁时，采用氯化镧作为释放剂，测定钾、钠时，采用氯化铯作电离抑制剂。
The compressive strength was increased by the addition of Na or K salt.
当液剂中添加钾或钠盐时，可使固化体的压缩强度增强；
The contents of metal elements K, Na, Ca and Mg in serum from 60 severe diabetics were detected, and compared with the control group.
对60例重度中老年糖尿病患者进行了血清中钾、钠、钙、镁的含量测定，并与正常对照组进行了比较。
Authors measured serum Ca, p, Mg, K, Na, Cl, nonprotein nitrogen and mucin of 8 serum in urolithiasis sheep and health sheep separately.
作者取患尿石病和健康绵羊血清各8份，分别测定其钙、磷、镁、钾、钠、氯、非蛋白氮和粘蛋白等成分。
The contents of elements K, Na, ca, Mg in carbon fibre were determined by atomic absorption spectrophotometry.
碳纤维中的钾、钠、钙、镁元素的含量可用原子吸收分光光度法来测定。
The modifying elements used in hypoeutectic Al Si alloys, besides Na, there are also Sr, Te, Ba, Sb, K, RE, B, S, etc.
亚共晶铝硅合金的变质元素除钠以外，还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中，应用较多的是含钠和锶的变质剂。
The paper concludes genetic relationship between the ore-bearing dolomitite, K-rich slate and Na-rich slate and believes that they are one alkali rock series of comagmatic origin.
总结含矿白云岩、富钾板岩和富钠岩石三者之间在成因方面的关系，认为其属于同一岩浆起源的碱性岩系。
Described in this paper are the melting and quenching experiments on K-rich and Na-rich Cenozoic alkali basalts from Heilongjiang Province.
本文通过对黑龙江省新生代富钾及富钠碱性玄武岩进行了熔融与淬火实验研究。
Control on harmful elements such as K, Na, f, s in smelting is short of effective measures, which results in BF capacity factor low, BF process not smoothly and serious environment pollution.
对冶炼中有害元素钾、钠、氟、硫的控制还缺乏有效手段，致使出现高炉利用系数偏低、高炉不畅和造成环境的严重污染。
Methods The level of serum potassium(K) , natrium (Na) and chlorine(Cl) were measured in 71 neonates suffered birth asphyxia and 20 normal newborns.
方法对71例窒息新生儿和20例正常新生儿血清钾、钠、氯电解质进行了监测。
This shows different cotton genotypes have Na to replace K process.
这说明棉花基因型中钠对钾有部分替代作用。
Salinity negatively affected the growth of wheat; also de-creased the dry weight and the uptake of wheat and foliar application of humic acid increased the uptake of P, K, Mg, Na, Cu and Zn.
对在不同浓度的盐胁迫条件下，叶面喷施液态腐植酸和土壤施用腐植酸类物质对小麦作物生长和矿物营养吸收的影响进行了研究。
Methods Rhubarb cultivated in Xinning of Qinghai growing for two years was picked, and the contents of K, Na, Ca, Mg, P in them were analyzed.
方法定期采集青海西宁二年生种植大黄，跟踪分析测试其钾、钠、钙、镁、磷等矿物质元素。
Later need more protein and iron supplement containing k, Na, calcium and magnesium in foods such as meat, animal liver, eggs, milk and so on.
后期需要多补充含蛋白及铁钾钠钙镁的食物，如肉、动物肝、蛋、奶等。
The geochemical study on meso basic meta volcanics in Zhangchun group, northeast Jiangxi shows island arc tholeiite is characteristic of low K and high Na contents;
赣东北张村岩群所含之中基性变火山岩的地球化学研究表明：其主元素具低钾高钠；
Their petrochemical data exhibit high or ultrahigh potassium and lower sodium contents and a high K 2 O /Na 2 O ratio.
其岩石化学成分表现出高钾和超高钾质、低钠含量和高钾钠比值的特征。
The present invention relates to lead-less piezoelectric ceramic composition and is especially one kind of lead-less Li-Na-K niobate piezoelectric ceramic and its preparation process.
一种高居里点铌酸钾钠锂系无铅压电陶瓷及其制备工艺，涉及一种性能优良的无铅压 电陶瓷组合物的配方及制备工艺。
The present invention relates to lead-less piezoelectric ceramic composition and is especially one kind of lead-less Li-Na-K niobate piezoelectric ceramic and its preparation process.
一种高居里点铌酸钾钠锂系无铅压电陶瓷及其制备工艺，涉及一种性能优良的无铅压 电陶瓷组合物的配方及制备工艺。
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