含铁

Red soil is characterized by its low phosphors and abundance of iron and aluminum oxide.

以含磷极低、富含铁铝氧化物、对磷具有较强的吸附和固定能力的南方红壤为材料，用该土壤对滇池水进行了去磷效果的初步试验。

A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprising: a component of anions, each of said anions consisting of at least four fluorine atoms and at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron, and, optionally, ionizable hydrogen atoms, and optionally, one or more oxygen atoms; a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, and copper; the ratio of the total number of cations of this component to the total number of anions of component being at least 1:5; sufficient free acid to give the composition a pH in the range from 0.5 to 5.0; a component selected from the group consisting of phosphorus-containing inorganic oxyanions and phosphonate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins and, preferably, also including a component selected from the group consisting of tungstate, molybdate, silicotungstate, and silicomolybdate anions.

通过对包含以下成分的含水酸性液体进行干燥，可以在金属上形成无铬的转换涂层，该涂层与普通铬酸盐转换涂层相比，至少在抗腐蚀质量上等效：$_一种阴离子成分，所述各个阴离子包括至少4个氟原子，至少选自钛、锆、铪、硅与硼元素中的1个原子。任选地可离解的氢原子，任选地1个或多个氧原子；$_一种选自钴、镁、锰、锌、镍、锡、锆、铁与铜元素的阳离子成分，上述成分的阳离子总数与成分内的阴离子总数之比至少为1∶5；$_足够的游离酸以使该组合物的pH值在0.5～5.0的范围内；$_一种选自含磷的无机含氧阴离子与膦酸盐阴离子的成分；$一种选自水溶性与水可分散性有机聚合物与聚合物形成的树脂的成分，优选还包括一种选自钨酸盐、钼酸盐、钨硅酸盐与钼硅酸盐阴离子的成分。

The oxygen autogenous smelting process of nickeliferous copper concentrate from Jinchuan Nonferrous Corp.

结果表明，含镍铜精矿自热熔炼，可实现除铁、脱硫、保镍，生产含铜90％的粗铜，并减少镍的循环。

The experimental products include crystal phase quartz, feldspar (alkila-feldspar, albite, K-feldspar), zinnwaldite and topaz, a melt phase and a trace vapour. The solid products were been studied by optics method, electron microprobe and X-ray analysis. The results show that liquidus temperature raises slightly and solidus temperature falls down obviously and that the upper temperature limit raises for the stability field of quartz and topaz, and falls down for the stability field of alkila-feldspar as F contents in crease.

实验淬火产物包括结晶相石英，长石(碱性长石，钠长石、钾长石)，铁锂云母和黄玉及玻璃相和微量流体，对固相淬火产物进行了系统和详细的显微观察及电子探针和x射线分析，研究了F对钠长花岗岩液、固相线温度、相关系和相组合的影响和含F钠长花岗岩的结晶序列和熔体演化、F在流体和熔体之间的分配及F对花岗质熔体结构的影响，对含黄玉矿物组合进行了一系列热力学矿物平衡计算，获得如下重要结论

A compartmented soil-glass bead culture system was used to investigate characteristics of arsenic accumulation in iron plaque and in mature rice plants irrigated using water with arsenic in greenhouse.

采用土壤-玻璃珠联合培养的方式，选择2个氧化能力不同的水稻品种YY-1、94D-64和采自浙江富阳的土壤(砷的本底值为13.8 mg.kg-1)，并设灌溉清水和含砷水2个处理(即在分蘖期、拔节期、孕穗期、开花期和灌浆期5个生育阶段灌溉含砷污水，随灌溉水进入土壤中砷的浓度为3.2 mg.kg-1)，研究了砷在土壤-根表铁氧化物-水稻系统中的累积规律以及土壤和灌溉水对水稻秸秆和籽粒富集砷的贡献程度。

A compartmented soil-glass bead culture system was used to investigate characteristics of arsenic accumulation in iron plaque and in mature rice plants irrigated using water with arsenic in greenhouse. Arsenic was supplied as a solution of Na3AsO4·12H2O at the following stages: tillering, stem elongation, booting, flowering and grain filling.

采用土壤-玻璃珠联合培养的方式，选择2个氧化能力不同的水稻品种YY-1、94D-64和采自浙江富阳的土壤（砷的本底值为13.8 mg·kg-1），并设灌溉清水和含砷水2个处理（即在分蘖期、拔节期、孕穗期、开花期和灌浆期5个生育阶段灌溉含砷污水，随灌溉水进入土壤中砷的浓度为3.2 mg·kg-1），研究了砷在土壤-根表铁氧化物-水稻系统中的累积规律以及土壤和灌溉水对水稻秸秆和籽粒富集砷的贡献程度。

And a relative preparation is characterized in that according to mol ratio (0.8-0.975):(1.8-1.95):(0.010-0.15):(0.010-0.15) to prepare and mix Mg powder, B powder, C nanometer powder, and SiC nanometer powder uniformly to be filled into an iron tube or iron-copper composite tube to be sealed, rotationally forges, draws and rolls to obtain MgB2 superconductive material containing C and SiC nanometer powder, or tablets the raw powder mixed uniformly via a tablet press, to obtain MgB2 superconductive block containing C and SiC nanometer powder, arranges obtained band or block in a vacuum furnace, vacuums and fills argon gas, keeps temperature for 0.2-3h at 600-1200DEG C, and obtains MgB2 superconductive material containing C nanometer powder and SiC nanometer powder.

制备这种MgB 2 超导材料的方法，其特征在于，将Mg粉，B粉，C纳米粉，SiC纳米粉按照摩尔比(0.8-0.975)∶(1.8-1.95)∶(0.010-0.15)∶(0.010-0.15)配制并混合均匀，装入铁管或铁铜复合管中密封后，按顺序先后进行旋锻、拉拔、轧制，得到含C和SiC纳米粉的MgB 2 超导线材；或者将混合均匀的原料粉用压片机进行压片，得到含C和SiC纳米粉的MgB 2 超导块材；将得到的线带材或块材放置真空炉中，抽真空后充入氩气，在600℃-1200℃保温0.2-3小时，最终得到含有C纳米粉和SiC纳米粉的MgB 2 超导材料。

In this paper boron-doped diamond single crystals was synthesized at high pressure and high temperature with iron-based catalyst doped with B4C, h-BN and Na2B4O7. The effects of multiple boron sources on diamond were studied according to the characterization of structure and properties of the boron-doped diamond.

本文使用碳化硼、六方氮化硼和硼砂三种硼源材料复合添加的铁基触媒在高温高压下合成含硼金刚石，通过对金刚石结构与性能的表征，探讨多种硼源复合添加对含硼金刚石的影响。

In order to recover the valuable metals in the electroplating sludge,the process flow for preparing copper sulphate and iron oxide red with the copper-contained electroplating sludge as the raw material was put forward.

为了回收电镀污泥中的有价金属，提出了以含铜电镀污泥为原料，制备硫酸铜和氧化铁红的工艺流程，并确定了从含铜电镀污泥中回收铜和铁的工艺参数。

Minerals contained in chestnut is also very comprehensive, has potassium, magnesium, iron, zinc, manganese, etc., although less than hazelnut, melon seeds as high as the content, but still more than apples, pears and other common fruit is much higher, especially with potassium prominent than the so-called potassium-rich apple 4 times higher.

栗子所含的矿物质也很全面，有钾、镁、铁、锌、锰等，虽然达不到榛子、瓜子那么高的含量，但仍然比苹果、梨等普通水果高得多，尤其是含钾突出，比号称富含钾的苹果还高4倍。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！