粉化

Acidification and alleviation of predominantly kaolinitic clay minerals determine the present poor nutrient status (Al-saturation 30-50%) and a relative low permeability of the fine sandy to silty clay loam.

由于酸化和大量高岭土的缓解作用造成土壤养分亏缺（铝饱和度30~50%）、土壤质地为细砂质到粉粘壤土，渗透力差。

The stability of maize yellow pigment from extruded corn gluten was investigated,the effect of sever- al food additives on maize yellow was also discussed.

从膨化玉米黄粉中提取的天然黄色素是一种安全无毒的食用色素。

Keywords extrusion;corn gluten;maize yellow pigment;functional natural colorants;stability;food additive

膨化； 玉米黄粉；玉米黄色素；功能性天然色素；稳定性；食品添加剂

The mainly conclusions in our research are as flowing: tungsten trioxide powders with 100 nm primary particle are obtained by spray drying,calcination and wet milling process, and an average size of quadric particle composed of agglomerated particles is 0.64 μm; tungtsen powders with 39 nm grain size and 60 -100 nm primary particle are produced directly from previous tungsten trioxide using one step reduction in hydrogen at 700℃, and an average size of quadric particle of tungsten powder is 2.91 μm; tungsten trioxide and copper tungstate compound powders with 100 nm - 200 nm primary particle are produced using ammonia metatungsten and copper nitrate as raw materials by spray drying,calcination and wet milling process;the compound powders are transformed completely into tungsten and copper compound powders by reduction in hydrogen at 700℃,in which tungsten grain size is 59 nm and copper grain size is 51 nm; primary particle size of compound powders is 80 - 120 nm,and an average size of agglomerated quadric particle is 1.86 μm; tungsten nitride powders with 35 nm grain size are prepared from tungsten trioxide powders by nitrogen treatment thoroughly in pure ammonia at 650℃, and an average size of agglomerated quadric particle is 0.64 μm in normal temperature.

研究结果表明：采用喷雾干燥—焙烧—球磨工艺可以制备出粒度约为100nm的WO_3粉体，它们在团聚后形成的二次颗粒平均粒度为0.64μm；采用一步直接氢还原方法可在700℃下从上述WO_3粉体制备出晶粒尺寸为39nm的、一次颗粒粒度为60-100nm的W粉体，其二次颗粒的平均粒度为2.91μm；以偏钨酸铵、硝酸铜为原料，采用喷雾干燥—焙烧—球磨工艺可制备出一次粒度为100-200nm的WO_3和CuWO_4混合粉体；采用氢还原工艺可在700℃下将这种粉体完全转变为W、Cu复合粉体，其中W的平均晶粒粒尺寸为59nm，Cu的平均晶粒尺寸为51nm；复合粉体的一次颗粒尺寸为80-120nm，在常温下团聚后形成的二次平均粒度为1.86μm；采用纯氨氮化工艺可以在650℃下由WO_3粉体制得WN，其晶粒尺度为35nm，在常温下团聚后的二次平均粒度为6.4μm。

Nanocrystalline titanium silicides were synthesized by co-reducing silicon tetrachloride and titanium tetrachloride with different metal reductants at 650℃.

具体内容如下： 1、以硅粉和VCl〓为原料、以金属钠为还原剂，在650℃的氯化镁和氯化钠组成的熔盐中，通过还原硅化法成功合成了具有六方相结构的颗粒平均直径约为35纳米的VSi〓纳米材料，产物在1000℃时具有很好的抗氧化稳定性。

Alkyl balides react with sodium borohydride and selenium in the presence of solid sodium hydroxide to give dialkyl selenides in excellent yields.

在固体氢氧化钠存在下，卤代烃及用氢化钠与硒粉作用，在乙醇溶液中制得二烃基硒醚。

Her makeup is a brown eye shadow with pink blush and lips.

她的化妝是一種褐色眼影粉紅色腮紅和嘴唇。

To analyze the peroxidase isozymes and SOD activities of the hybrids of two colour types Tenebrio molitor in different developmental stages (matured larvae, pupas and adult), polyacrylaimide gel electrophoresis and NBT photoreduction method were used in this paper.

采用聚丙烯酰胺凝胶电泳法测定了黄粉虫两种色型杂交后代的三种虫态的过氧化物酶同工酶，用NBT光化还原法测定了不同虫态的SOD活性。

It's also applied in base plate of electric circuit, analysis reagent and hig-pressure-Na-lamp materials. It can be made to analyst carrier used in petroleum chemical industries.

Al〓O〓超微粉还可用于：制造集成电路基板，用作分析试剂及高压钠灯电弧等高级陶瓷原料；将纳米化α-Al〓O〓制成条状用作催化剂和催化载体，是石油炼制和石油化工中的主要催化剂和载体。

And non-tacky pourable mean PCR244 could be prepared and yield of particles with size below 0.9mm was 98. 6wt% and above.

在此玻璃化温度范围内，可获得不自粘、流动性良好，粒径小于0.9mm产物的成粉率在98.6wt%以上，粒径均一的PCR244。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。