scientific ballooning是什么意思

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用法例句

After dissolved by nitric acid and hydrochloric acid, several same samples were added into the five element standard solutions increased by concentration degrees,respectively,then the contents of iron,lead,stibium,zinc and nickel were determined successively by fire atomic absorption spectrometry(FAAS).

用HNO3-HCl溶解试样,在几个相同量的试液中,分别加入质量浓度依次递增的5种元素的标准溶液,用火焰原子吸收法连续测定了Fe、Pb、Sb、Zn和Ni的含量,建立了优化的仪器测定条件,并对可能存在的元素进行了干扰试验。

A new environmental friendly cutting brass containing bismuth and stibium instead of lead was produced by casting and extruding.

采用熔铸、挤压的方法生产出以Bi和Sb代铅的环保型易切削黄铜棒材。

7Si magnesium alloy modified by antimony,were investigated.

研究了Sb变质Mg-6Al-1Zn-0。

After dissolved by HCl-HNO_3,samples were added into the nine elements' standard solutions increased by concentration degrees respectively,then the contents of nickel,copper,manganese,iron,lead,antimony,zinc,calcium and magnesium were determined by air-acetylene fire atomic absorption spectrometry (FAAS).

用王水溶解试样,在几个相同量的试液中,分别加入浓度依次递增的9种元素的标准溶液,用空气-乙炔火焰原子吸收法连续测定N i、Cu、Mn、Fe、Pb、Sb、Zn、Ca、Mg的含量。

Batch experiments were conducted to investigate the effects of ZVI concentrations,the initial antimony concentrations,initial solution pH,and anions on antimony removal with zero-valent iron .

锑(Sb)是一种新兴的全球性污染物,在我国西南Sb矿区及周边地区Sb污染严重。

Additives(PEG and PVA) were added into AlOOH sol which was prepared with SB powder as raw material and HNO3 as dispergator.

在以SB粉为原料,HNO3为解胶剂制得的稳定AlOOH溶胶中加入添加剂(PEG、PVA),对多孔陶瓷载体进行了表面涂层。

∶On the basis of dynamic light scattering (DLS) principle, the size distribution of γ-AlOOH sol prepared with SB powder as raw material and HNO_3 as dispergator was analyzed using zatasizer 3000 HS PCSV1.

采用高灵敏度纳米粒度分析仪,对以SB粉为原料,HNO3为解胶剂制备的γ AlOOH溶胶的粒径分布进行了研究。

Determine Sb(Ⅲ) and Sb(Ⅴ) in water using hydride atomic absorption method;

氢化物原子吸收法测定水中的Sb(Ⅲ)和Sb(Ⅴ)

Study on the Phase Diagrams of Cr-Pb-Sb, Er-Fe-Sb System and on the Cystal Structure of New Compounds;

Cr-Pb-Sb及Er-Fe-Sb三元系合金相图以及新化合物晶体结构的测定

The Reversibility of Liquid Structure Transition of Cu-Sn/Sb and Pb-Bi/Sb Alloys and Its Effects on Solidification

Cu-Sn/Sb及Pb-Bi/Sb合金熔体结构转变的可逆性及其对凝固的影响

Direct Determination of Water-Soluble Antimony(Ⅲ) and Antimony(Ⅴ) in Soil by Hydride Generation Atomic Fluorescence Spectrometry

氢化物发生-原子荧光光谱法直接测定土壤水溶态Sb(Ⅲ)和Sb(Ⅴ)

The Isothermal Section of the Gd-Fe-Sb Ternary System at 773K;

Gd-Fe-Sb三元系合金相图773K等温截面

The Isothermal Section of the Dy-Fe-Sb Ternary System at 773K;

Dy-Fe-Sb三元系合金相图773K等温截面

The Isothermal Section of the Phase Diagram of the Al-Pr-Sb Ternary System at 500℃;

Al-Pr-Sb三元系合金相图500℃等温截面

Research on Preparation and Properties of Magnetron Sputtering Sb-ZnO Thin Film;

磁控溅射制备Sb-ZnO薄膜及其性能研究

The 500℃ Isothermal Section of the Phase Diagram of Fe-Ho-Sb Ternary System;

Fe-Ho-Sb三元系合金相图500℃等温截面

Rapid Solidification of Ag-Cu-Sb Ternary Eutectic Alloy;

Ag-Cu-Sb三元共晶合金的快速凝固研究

THE ISOTHERMAL SECTION OF THE Y-Al-Sb PHASE DIAGRAM AT 800K;

Y-Al-Sb三元系合金相图800K等温截面

Studies on Some Metal Antimonides as Anode Materials of Lithium-ion Batteries;

（Co，Fe）-Sb合金嵌锂性能研究

The Isothermal Section of the La-Fe-Sb Ternary System at 773K;

La-Fe-Sb三元系合金相图773K等温截面

The Study of the Effect of Sb on Sn-0.7Cu Lead-free Solder;

Sb对Sn-0.7Cu无铅钎料性能影响的研究

Microstructure and Properties of Zn-Sb Based Thermoelectric Materials;

Zn-Sb基热电材料的微结构及性能研究

The Improvement of Controlled Chemical Synthesis of Sb Nanocrystal in Solution;

Sb纳米晶的化学液相控制合成进展

Sb/As Exchange at the Interface of Heterostructures

半导体异质结界面处Sb/As交换反应研究

Sensing Property of Nano-crystalline SnO_2 Thin Films Doped with In and Sb

In/Sb掺杂SnO_2纳米薄膜的H_2S气敏特性