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A HILIC-MS/MS method was developed to determine melamine and its three derivatives, cyanuric acid, ammelide and ammeline in milk and milk powder. The milk sample was directly extracted by acetonitrile with the help of ultrasonic, and milk powder was resolved in water before extraction by acetonitrile.

建立了牛奶和奶粉中三聚氰胺及其3种衍生物（三聚氰酸、三聚氰酸一酰胺、三聚氰酸二酰胺）的亲水色谱－串联质谱检测方法(HILIC-MS/MS)。

Sauce powder was produced by spray drying with the addition of porous starch as theadsorption and protection medium. With the flavor, ammoniacal nitrogen and color as index,sauce powder was found, compared with the original product, to be able to reserve thecharacteristics of sample sauce when 15% of porous starch was added.

利用多孔淀粉的吸附性和对被吸附物质的保护作用，将多孔淀粉运用于粉末酱油的制造，以酱香、氨态氮、色率为指标，发现用15%多孔淀粉制备的粉末酱油经还原后可以很好地保留原酱油的性质。

The safe concentration of Anodonta woodiana woodiana were: the available chlorine of bleaching powder of 95.25~108.86 mg/L, the available chlorine of trichloroisocyanuric acid powder of 3.32~3.55 mg/L.

试验得出漂白粉作用下，背角无齿蚌24h、48h、72h、96h、120h、144h、168h的半致死率；氯杀宁作用下，背角无齿蚌24h、48h、72h、96h的半致死率；漂白粉有效氯安全浓度95.25~108.86mg/L；氯杀宁有效氯安全浓度3.32~3.55mg/L。

Therefore, in order to improve the powder on the surface of antioxygenation, we recreate in making often introduced stearic acid, so that the exposed powder form a layer of protection layer.

因此，为了提高金粉表面的抗氧化性，金粉在制作过程中常加入适量的硬脂酸，使裸露的金粉形成一层保护层。

Make love beside washing machine inadvertently once, dehydrate of happen to dress, the feeling that the sort of shaking resembled entering outer space, feel here is well worth doing, did not think of elaborate arrangement makes love in dehydration time the 2nd times, dehydration shakes too acuteness the shake of washing powder jar that gets on washing machine come down, the leg that broke me does not say, still aspersed washing powder of our a suit.

有一次无意中在洗衣机旁做爱，正巧衣服脱水，那种震动的感觉就像进入了太空，觉得此地大有可为，没想到第二次精心安排在脱水时间做爱，脱水震动太剧烈把洗衣机上的洗衣粉罐子震了下来，砸了我的脚不说，还洒了我们一身洗衣粉。

Different from conventional fabrication of cathode powder, non-chelating polymer polvinyl alcohol serves to sterically entrap the metal cationa in a manner thewey which facilitates the formation of an atomistically homogeneous precursor material. And, calcining the solid precursor material to form a mixed metal oxide material, that is perovskite structured powder La0.5Sr0.2Co0.5Fe0.5O3.

该方法与传统方法不同，采用非螯合聚合物－聚乙烯醇(PVA， Polvinyl alcohol)作为阳离子的载体，形成含有La(上标 3+)，Sr(上标 2+)，Co(上标2+)，Fe(上标 3+) 4种金属阳离子和非螯合聚合物的均匀溶胶，干燥生成固体凝胶状前驱体。

Ultrasonic Cleaner is mainly used to clean the solid material surface or disperse powder, in order to well-distribute powder in liquid and to watch on electron microscope conveniently. The source of ultrasonic wave adopt stir up-like or the autoexcitation type to work, computer control.

超声波清洗器主要用于清洗固体材料的表面，也可用于超声分散粉末类样品，使粉末颗粒均匀分散在液体中，以便在电镜上观察。

The group will focus on lutein in pure, powder, beadlet and oil suspension and lutein ester in powder, beadlet and oil suspension.

该小组将重点放在叶黄素在纯，粉末， beadlet 和石油暂停和叶黄素酯在粉末， beadlet 和石油被停牌。

It is manufactured through kneading, cold pressing and post-treatment; and the materials for the synthetic brake shoe include butadiene-acrylonitrile rubber, phenolic resin, graphite, iron powder, barium sulfate, potash feldspar powder, composite fiber, sulfur, hexamethine tertramine, polymethylene aniline, 2-mercaptan benzothiazole, zinc oxide and toluene.

同时本发明的提供了采用捏合、冷压、后处理工艺来制造新型高摩擦系数合成闸瓦。组成新型高摩擦系数合成闸瓦的各组分重量百分比如下：丁腈橡胶为6.20％，酚醛树脂为10.00％，石墨为15.00％，铁粉为11.03％，硫酸钡为30.00％，钾长石粉为5.00％，复合纤维为20.20％，硫磺为1.00％，六次甲基四胺为1.00％，聚亚甲基聚苯胺0.12％，2-硫醇基苯并噻唑0.15％，氧化锌0.30％，甲苯8.0％。

When boronic acid or boron powder was introduced into silica sol, a β-SiC/B composite powder was obtained by the same method.

在原料中引入硼酸或硼粉后，还获得了不需要任何外加烧结助剂就能致密烧结的β-SiC/B复合粉末，达到了先进水平。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。