亚相

The effects of boron and strontium on the solidified structures of hypoeutectic Al-Si alloys by combination addition of boron and strontium have been studied by quantitative metallography and chemical analysis.

采用定量金相、化学分析的方法研究了B、Sr联合处理对亚共晶铝硅合金凝固组织的影响。

The results show that, there is a white zonal area between the AZ61 and Al-alloyed coating, which indicates that a good metallurgical bonding is obtained. The coating shows typical hypoeutectic structure. Due to lots of Mg17Al12 phases in Al-alloyed coating, the corrosion resistance of AZ61 magnesium alloy is increased obviously.

结果表明，涂层与基体形成了扩散白亮带，实现了较好的冶金结合；涂层具有亚共晶组织的特点；大量的Mg17Al12相存在于涂层表面是耐腐蚀性能提高的主要原因。

The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.

采用定量金相法分析计算了亚共析钢拉拔变形中先共析铁素体应变量。

The results show that Be addition can effectively lower the eutectoid temperature of the hypoeutectoid Cu-Al alloy, but has no effect for the order-disorder transition.

实验结果显示，铍含量可有效降低Cu-Al亚共析合金之共析温度，扩大β单相区；而铍含量对序化结构转变温度并无明显影响。

In this paper, the formation mechanism of amorphous alloys and metastable phases in some binary metallic systems was studied by IBAD method. The mechanical and electrochemical properties of amorphous films were also investigated.

本文使用IBAD方法，研究了若干二元金属系统中非晶和亚稳合金相的形成规律，并对非晶薄膜的力学和电化学性能进行了初步研究。

After extraction by ethanol and purification by cationic ion-exchange column, a method of using reversed-phase high-performance liquid chromatography and precolumn derivatization with o-phthalaldehyde and 9-fiuorenylmethylchloroformate is employed for determination of free amino acids in tobacco . This method assures that amino acids with amino and imino groups can be determined simultaneously. The results of duplication experiment and recovery experiment are acceptable.

本试验用乙醇提取烟叶中的游离氨基酸，并用阳离子交换树脂纯化，再用邻苯二甲醛、氯甲酸芴甲酯联合柱前衍生、反相高效液相色谱分析测定了烟叶中的游离氨基酸，该方法能同时测定烟叶中的带氨基和亚氨基基团的氨基酸，并且分析方法的重现性和回收率均令人满意。

Using copper sulfate as catalyst, pyridine-3, 4-dicarboxylic acid was synthesized by oxidizing isoquinoline with concentrated nitric acid at high temperature, and the yield was 71.4%.

在钼酸铵存在下，采用固相烘焙法，2，3-吡啶二甲酸和3，4-吡啶二甲酸分别与尿素和氯化亚铜作用得到了氮杂铜酞菁。

Through a self-designed lightproof intermittent reactor, homogenous oxidation kinetics of sodium sulfite was studied under uncatalyzed, catalyzed and inhibited conditions, respectively.

本文在均相条件下，通过自行设计的避光间歇式反应器，对亚硫酸钠非催化氧化、催化氧化和抑制氧化的本征反应动力学进行了实验研究。

The starch-cyclodextrin microspheres were prepared by using starch/β-cyclodextrin as raw material, normal hexane as dispersed phase, Span60 and Tween60 as emulsifying, pentanol as assistant of emulsifying, and metaphosphoric acid trisodium salt as linking agent.

纳米微球以可溶性淀粉和β-环糊精为原料，选用正己烷为油相，Span60和Tween60为乳化剂，正戊醇为助乳化剂，三偏磷酸钠为交联剂，以对亚甲基蓝的去除率为指标进行了单因素和正交试验。

With heated water for extraction, DMSO,HMDS and C3H9 CLSI as derived reagent, the content of monose in Acanthopanax Senticosus tea is determined by capillary chromatography.

采用沸水提取，二甲基亚砜溶解，六甲基二硅氨烷和三甲基氯硅烷为衍生试剂，用毛细管气相色谱法测定了五加参茶中的糖含量，共测出6种单糖。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。