铝

Since we adopt Newton interpolation of difference quotient from the discrete data pool of unequal distance node among the scaled temperature (20℃, 1000℃), aluminum purity and aluminum density, it can greatly be approached.

我们从刻画的温度( 2 0℃、1 0 0 0℃)、铝纯度与铝密度间不等距结点的离散数据集中、采用了Newton差商插值、能极好地加以逼近、从而建立了高精度的四阶非线性数学表达式、由此从该模型中给出了 2 0℃时的高纯度铝( 99 999%～ 99.99999%)的密度值，其结果令人满意。

First of all, the paper introduces the character of techniques of electro bath production and the liquid siphon operation.

论文首先介绍铝电解工艺和出铝操作的特点，分析了影响出铝操作的因素。

With the help of infrared spectroscopy, it is known that the linkage between dodecylamine and sodium oleate and diaspore, kaolinite, illite and pyrophyllite is fundamentally electrostatic forces, which contributes to physical adsorption. The adsorption is related with surface electric property of minerals. The effect of chemical composition of diaspores on their electrokinetics was investigated.

对于一水硬铝石矿物来说，三个主要晶面（010）、（100）和（001）上的单位面积断裂键数有如下关系：〓；一水硬铝石表面吸附的动力学模拟可以说明，一水硬铝石的（010）晶面、（100）晶面和（001）晶面，分别吸附几种捕收剂离子的吸附能大小为：（010）晶面的吸附能＞（100）晶面的吸附能＞（001）晶面的吸附能；分别吸附这些药剂离子的单位面积吸附量〓的大小顺序为：（010）晶面＞（100）晶面＞（001）晶面。

In this paper , the main factors that influence the elongation of the aluminum rolling are analyzed .

分析了影响电工铝杆延伸率的主要因素，利用多元回归建立了铝杆延伸率的主要影响因素之间的数学模型，为有效地对铝杆进行质量预测与控制奠定了基础。

an equivalent model of Al electrolytic capacitor has been studied in this paper. The change law of the equivalent serial capacitance, dissipation factor and impedance of Al electrolytic capacitor has been discussed at different frequencies with Agilent4395A Impedance Analyzer.

研究了铝电解电容器的等效模型，讨论了铝电解电容器在不同频率下，其等效串联电容、介质损耗因子、阻抗随频率变化特性，采用Agilent4395A阻抗分析仪测量了铝电解电容器参数、阻抗-频率特性等。

With increasing aluminum content in the alloys, the fraction of primary phase α increases and the eutectoid decreases.

随着铝含量的增多，合金中的初生α相增多，共析体减少；同时合金的硬度和耐磨性随铝含量的增多而增大；当铝含量大于30%时，合金的二次枝晶臂间距变化不明显。

The results of X- ray Diffraction indicated that face - centered cubic Al layers were obtained both by pulse plating and D.

在钢板上获得银白色铝镀层。X射线衍射结果表明，两种情况均得面心立方结构的铝，但由脉冲镀所得的铝晶粒较小。

Established in 2000,Ninghai forlux Electronics Co.,Ltd.is specialized in producing street lamp,yard lawn lamp,mineral and industrial flood light,tunnel lamp,buried lamp,aluminum die casting equipment and advanced mould design and pienty of special technicians who have rich experience.

宁海县弗莱克斯电气有限创建于2000年，主要生产路灯、庭院灯、草坪灯、工矿投光灯、隧道灯、埋地灯及各种灯具的铝压铸、铜、铝浇铸件等系列产品，本厂装备有大型的铝压铸设备，先进的模具设计及一批拥有丰富经验的专业技术人员。

The hydrothermal behavior of various types of alumina was investigated by means of XRD,which were derived from calcination of gibbsite,bayerite and nordstrandite at temperatures below 1000℃ and normal pressures or in vacuo.

用XRD方法研究了α－三水铝石在常压及真空中1000℃以下的脱水产物和湃铝石／诺水铝石在常压1000℃以下的脱水产物，经170℃水热处理和自身压力条件下的晶相变化。

Although bauxite reserves are abundant, but most belong to a diaspore ore, leaching poor, and the Al-Si ratio is low compared with foreign gibbsite, in the recovery of alumina, alkali consumption and overall energy consumption there is a wide gap.

铝土矿储量虽然丰富，但多数属于一水硬铝矿石，浸出差，铝硅比低，与国外相比，在三水铝石氧化铝回收率，碱耗和综合能耗，有很大的差距。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。