含镁的

Key word :wastewater treatment;magnesium ammonium phosphate;chemical precopitation;removal of ammonium and phosphate

向含NH4+和PO43-的废水中添加镁盐，发生的主要化学反应如下

A green mineral of the amphibole group; calcium magnesium iron silicate.

闪石族中一种绿色的矿物，含钙、镁、铁的硅酸盐。

The study shows that almost all the feldspar in the alkali-granite is perthite, the host-crystal is microcline, the chadcrystal could be either albiter or oligoclase. The Alkali-amphibole is either manganese-magnesia-arfvedsonite or arfvedsonite, and all the alkali-pyroxene is aegirine.

结果表明，该区富碱花岗岩几乎所有的长石均为条纹长石，主晶为微斜长石或高微斜长石，客晶为钠长石或更长石，碱性角闪石为含锰镁质钠铁闪石或钠闪石，碱性辉石均为霓石。

Materials containing active SiO2 such as fly ash and zeolite powder added to magnesium oxychloride concrete, can make its strength and water resistance much better.

在菱镁混凝土中添加含活性SiO2的材料，如粉煤灰和沸石粉，来提高制品的耐水性和强度。

It can therefore, be deduced that the protolith from which sapphirine was derived is not necessarily magnesiorich pelite.

含假蓝宝石的变质岩石之原岩未必是富镁泥质岩。

Cyanide-free dilute zincate process for plating electroless nickel on the magnesium alloys.

不含氰化合物，是镁及其合金表面直接电镀或化学镀镍所需的处理剂。

The feldspar in A-type granite is perthite, the dark alkali-minerals in which are arfvedsonite or manganese-bearing magnesia- arfvedsoniteand aegirine.

碱性花岗岩中的长石为条纹长石，暗色矿物为钠铁门石或含锰镁质钠铁门石及霓石。

The properties and structure of MgO - C castable were studied. The graphite in castable was processedby three different methods.

本文用三种方法对石墨进行了改性处理，并研究了含这些处理石墨的镁炭浇注料的性能和组织结构。

The reservoirs in Mawangmiao oilfield is strongly sensitive and acid sensitive because of its ferreous minerals, such as pyrite and illite/smectite mixed- layers.

马王庙油田储层普遍含有伊／蒙混层及黄铁矿等含铁矿物，存在较强的水敏和酸敏；长期以来注入水水质不达标，已经导致地层的固体堵塞和油堵；经过垢样分析，结垢主要为碳酸钙、少量铁垢及碳酸镁垢。

With increasing the Mg content the optimum mischmetal concentration can be appreciably reduced.

文中所列镁、稀土与机械性能关系的曲线认为，含Mg0.6～0.8％的合金，加入0.05～0.09％RE时，合金综合机械性能最好。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。