only minerals

Coastal area is a complex and dynamic environmental system , which receives lots of terrestrial pollutants . These pollutants include not only minerals but organic pollutants , which influence the marine environment seriously .

近海海域是复杂的、动态的环境系统，接收大量来自陆源的污染物，这些污染物既包括无机污染物也包括有机污染物，它们对海域的生态环境产生了重要的影响。

What 's interesting about Hazen 's figure is that it only includes minerals that still exist and are likely accessible .

海森的研究结果有一点很有意思，他的研究只包括了现在仍然存在和我们能够获取的矿物质。

Results have revealed that HCl can not only dissolve carbonate minerals in the reservoir but also control the equilibrium between aluminum and silicon fluoride in mud acid treatments .

在土酸酸化反应中，盐酸不仅用来溶解碳酸盐矿物，而且具有调节氟硅、氟铝配合物平衡的另一作用；

But at this stage , there are only a few minerals of the value in use , mainly rutile and ilmenite , followed by the leucoxene , anatase .

但现阶段具有利用价值的只有少数几种矿物，主要是金红石和钛铁矿，其次是白钛石、锐钛矿。

Arsenate minerals are the secondary minerals , which are mainly formed in the oxidation zone of sulphide deposits . More than 250 arsenate minerals have been identified in nature , but only 39 arsenate minerals in China .

砷酸盐矿物是主要产出于硫化物矿床氧化带中的次生矿物，在自然界中已发现250多种，我国目前仅发现该类矿物38种。

The content of mineral-fixed ammonium in soil was related not only to soil clay minerals but also to fertilization .

固定态铵的含量不仅与土壤中的粘土矿物有关，施肥对其也有影响。

Plants are the basis of all life , for only they can combine minerals in the ground with gases from the air and produce something worth eating .

植物是所有生命的基础，只有植物能把土壤中的矿物质跟大气中的气体结合，制造出食物。

The mineral composition is simple , only with original metallic minerals antimonite and pyrite , gangue minerals quartz , calcite and a few barites , all in the fissure or hole of the rock .

矿物成分简单，原生金属矿物只有辉锑矿和黄铁矿，脉石矿物有石英、方解石及少量重晶石，它们均充填在岩石的缝洞中。