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Platinum nanoparticles with average diameter of 1.3 nm were prepared by reduction of its salt with sodium citrate.

以柠檬酸钠直接还原氯铂酸制备出了平均粒径为1.3nm的纳米铂微粒。

For this reason, the D-line of the sodium lamp at the visible wavelength of 589 nm was most often employed.

由于这个原因，可见波长589nm的纳灯的D-线是最经常使用的。

Results: The satisfactory separation was achieved on optimization of electrophoretic condition: 0.08 mol·L-1 heptane-10% isopropanol - 0.01 mol·L-1 sodium tetraborate buffer - 0.12 mol·L-1 SDS (pH 9.0) as microemulsion with on - column UV monitoring at 214 nm,25 kV applied voltage, 30 ℃ column temperature.

微乳毛细管电泳在吉他霉素组分分离方面的成功应用，为结构相似的中性物质的分离提供了一种新方法，也为日后的定量测定提供了依据。

The results show that the system belongs to Newton fluid; temperature being increased, the viscosity decreased; surfactant mass fraction being increased, the viscosity increased; the viscosity has the same trend as content of water; their diameters are about 100 nm, its corrosion, density and solidifying point can meet the national standards.

结果表明：微乳柴油体系为牛顿型流体；温度升高，体系粘度降低；表面活性剂质量分数增大，粘度也逐渐增大；粘度的变化同水量的变化规律基本一致；粒径均在100 nm左右；腐蚀性、密度和凝点均符合国家标准；室温时稳定期在6个月以上。

When the finishing temperature is 950℃ and the cooling rate is 4℃/s, the interlamellar spacings of pearlite is a bout 97 nm and the percentage of sorbite is 95.7%. At this time, the structure is the best.

高碳钢SWRH77B在终轧温度为950℃、冷却速度约为4℃/s时，其珠光体的片层间距约为97nm，索氏体含量达到95.7%左右，表明此时的组织为最佳索氏体组织。

As of 06 UTC, FITOW was centred 910 km (490 NM) south-southeast of Tokyo, Japan.

在06UTC，菲特集结在东京之东南偏南约910公里(490海里)。

The density, the specific surface area, porosity and particle diameter of hydrophobic SiO2 aerogels range from 77 to 200 kgm^(-3), 500 to 750 m^2g^(-1) and 88% to 93% and 50 to 200 nm, respectively.

结果表明，所制备的疏水SiO2气凝胶的密度、比表面积和孔隙率分别为77~200kgm^(-3)，500～750平方公尺g^(-1)和85%~95%，其颗粒尺寸为50~200nm。

The absorption spectra of the different parts of the crystals from 350 to 2 500 nm were measured.

测定了晶体不同部位在350~2 500 nm波段的吸收光谱。

It was found that by choosing wavelength 310.023 nm as the analytical spectral line,the serious interference of titanium was avoided.

结果表明选择波长为310.023 nm的谱线作为分析线可避免大量钛的严重干扰。

Read absorbance in the spectrophotometer at 505 nm. You have to use the blank for calibration.

必需使用一个空白的样本进行校正，读取各比色管於505 nm下的吸光值。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。