查询词典 alkaline earth

When produce dense sodium carbonate with the material of natural alkali,a plenty of alkaline scrap material or alkaline mud which can alkalify the earth ,pollute the air and environment is manufactured ,using the scrap material by calcine with a large movable kiln is expensive.

在以天然碱为原料生产重质纯碱时，伴生大量碱性废渣，此废渣堆放或坑埋，碱化土壤，污染环境和空气，若用大型回转窑煅烧处理，成本高不经济。

The surface also had an alkaline pH, which on Earth is suitable for growing some plants, such as asparagus.

表面为碱性PH，这在地球上适合种植象芦笋这样的一些植物。

The dirt was slightly alkaline, which on Earth is good for growing asparagus and turnips.

土质是弱碱性的，在地球上，这种土质很利于种植芦笋和芜菁。

Alkaline soils can be neutralized by adding Green Earth Peat Moss, or small amounts of C-I-L Aluminium Sulphate.

碱性土壤中，可以抵消加入绿色地球泥炭藓，或少量的印度煤炭公司的硫酸铝。

The basalt is belong island arc tholeiite and series of the calc-alkaline,and have character of island arc in rare earth element and trace element.

玄武岩属岛弧拉斑玄武岩和钙碱性系列，属太平洋型钠质类型，稀土、微量元素显示具岛弧特征，大地构造位置为岛弧中心靠近大洋一侧，与南侧那拉提晚泥盆—早石炭世侵入岩共同组成火山弧，同为古亚洲洋向北俯冲的产物。

The experiment results shown that: 1 the smaller the pH value, the smaller the use amount of alkaline metal and the alkali earth metal electrolyte demulsifier, when the pH value was 3, the waste fluid could be demulsified no any demulsifier and the use amount of the demulsifier did not increase remarkably along with the wiredrawing fluid concentration increased. 2 Using polymeric ferric sulfate as coagulant demulsifying, when the pH value was 8.4, the best adding amount was 40 mL per liter wastewater and the best precipitation time was 4 hours. Then the COD concentration was 480 mg/L, reaching the water quality requirements to enter the sewage treatment plant.

pH值越小，碱金属和碱土金属电解质破乳剂的用量越小，pH值为3时，无须加入任何破乳剂即可破乳；破乳剂用量并不随拉丝液浓度的增大而显著增加。2）用混凝剂聚合硫酸铁破乳，在pH值8.4时，最佳投加量为40 mL/L，最佳沉淀时间4 h，处理后上清液COD浓度为480 mg/L，能满足进入污水处理厂水质要求。

Product purpose:(1) calcium carbide (CaC2), organic synthesis of the basic raw materials, Cyanamid, chlor-alkali products, the main raw materials;(2) polyvinyl chloride, used for light industry, construction materials, agriculture, packaging, medicine , electronic equipment, cars, daily necessities;(3) caustic soda, used in paper making, leather processing and textiles;(4) hydrochloric acid, used in paper making, cleaning, rare earth, organic chemical raw materials, fuel , food leather, metallurgy and other industries;(5) lime nitrogen (CaCN2), used in the manufacture of containers of cyanide, cyanides, alkaline drug fertilizer, lime nitrogen particles, soil particles slow-release fertilizer to improve the main raw material;(6) double Cyanamid (H2CN2 2, melamine in raw materials, synthetic pharmaceuticals, dyes intermediates.

产品用途：（1）电石（CaC2），有机合成的基本原料，氰胺、氯碱类产品的主原料；（2）聚氯乙烯，用于轻工业、建筑材料、农业、包装、医药、电子设备、汽车、日用品；（3）烧碱，用于造纸、皮革加工和纺织业；（4）盐酸，用于造纸、清洗、稀土、有机化工原料、燃料、食品皮革、冶金等行业；（5）石灰氮（CaCN2），用于制造氰容器、氰化物、碱性药肥、颗粒石灰氮、土壤改良型缓释颗粒肥的主要原料；（6）双氰胺(H2CN22 ，三聚氰胺的原料，是合成医药、染料的中间体。

The pluton has abnormally high concentrations of Sr and high concen trations of Ba,especially low concentrations of rare earth elementsand strong positive Eu anomaly,which are striking different from other calc-alkaline rocks with similar SiO 2 concentrations.

地球化学方面以异常高的Sr含量和较高的Ba含量、极低的稀土元素总量、明显的Eu正异常为特征而明显不同于SiO2含量类似的其他钙碱性岩类。

Adding some rare-earth metal to the positive material of alkaline Zn-MnO2 batteries was studied.

通过将不同含量的3种稀土金属添加到正极活性物质中，探讨其对碱性锌锰电池性能的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。