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rice hull
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  rice hull
Hydrothermal synthesis of cements from rice hull ash
      
Thermal plasma synthesis of SiC from rice hull (husk)
      
This paper focuses on the application of silica rich, rice hull ash (RHA) from the rice industry as filler in polypropylene (PP).
      
Effect of coupling agents on the crystallinity and viscoelastic properties of composites of rice hull ash-filled polypropylene
      
This work describes the utilization of rice hull as raw-material for the preparation of two calcium silicates namely, β-Ca1.91Ba0.04SiO4 and β-Ca1.96Ba0.04SiO4.
      
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At 30℃ laboratory condition the half ]ires (t 1/2)of residual degradation of malathion, fenitrothion and pirimiphos methyl in rice of residual degradation were respectively 1, 2.3 and 3.7 months. In granary condition the malathion t 1/2 in wheat was 5.4 months and the deltamethion t 1/2 in wheat was 15.6 months. When the pesticides were applied with rice-hull carrier the dynamics of residual degradation exprespse as two exponential equation reaction. When the pesticides were sprayed directly...

At 30℃ laboratory condition the half ]ires (t 1/2)of residual degradation of malathion, fenitrothion and pirimiphos methyl in rice of residual degradation were respectively 1, 2.3 and 3.7 months. In granary condition the malathion t 1/2 in wheat was 5.4 months and the deltamethion t 1/2 in wheat was 15.6 months. When the pesticides were applied with rice-hull carrier the dynamics of residual degradation exprespse as two exponential equation reaction. When the pesticides were sprayed directly on grain, it expressed as first order reaction. The residual amount in polished rice and cooked rice were significantiy lower than in wheat flour and steamed bread.

在实验室30℃温度下,马拉硫磷、杀螟松与甲基嘧啶硫磷在稻谷内半衰期(t 1/2)相应为1,2.3,3.7个月的仓库条件下,在小麦内马拉硫磷t 1/2为5.4个月,溴氰菊酯15.6个月。采用砻糠载体法施药,在粮食内残留消解动态呈二次方程反应。喷雾法则消解动态呈一级动力学反应。药剂在稻谷加工产品大米和米饭内残留消解率显著低于小麦粉和馒头。

In this paper,the technology conditions of single cell protein culture was investigated under the shaking flask and in ten liter air lift fermentor with the Candida arborea in the culture medium containing rice hull hydrolysate as carbon source and product of hydrolysata with NH 3H 2O neutralization as nictrogeu source.The results showed that the more cell protein was obtained for culture 48 hours in culture medium in which initial content of sugar was 2.5% and ratio of carbon to nitrogen source was...

In this paper,the technology conditions of single cell protein culture was investigated under the shaking flask and in ten liter air lift fermentor with the Candida arborea in the culture medium containing rice hull hydrolysate as carbon source and product of hydrolysata with NH 3H 2O neutralization as nictrogeu source.The results showed that the more cell protein was obtained for culture 48 hours in culture medium in which initial content of sugar was 2.5% and ratio of carbon to nitrogen source was 3∶1 and pH was 4.5~5.0. The results of test in ten liter fermentor were 12.6 mg/ml of drycell and 62.8% of dry substrate protein content and 85.7% of sugar utilization.

以树状假丝酵母1.257为菌种,稻谷壳酸水解液为碳源,氨水中和水解液产物为氮源,在摇瓶条件下和10L气升式发酵罐上进行发酵工艺条件的研究。结果表明,该菌种在初糖质量浓度2.5g/dL,碳氮比3∶1,pH4.5~5.0的培养基中培养48h可获得较高的菌体蛋白量,在10L发酵罐中试验,菌体干重为12.6mg/mL,蛋白质含量为62.8%,总糖利用率为85.7%。

Adsorbent obtained from rice hull was used to improve the stability of beer based on the good adsorbability of rice hull. Rice hull was milled , mixed with sleaked sulfuric acid, and had a sealed dry-distillation in 240℃ temperature, then a higher temperature for activating was operated, the rice hull adsorbent which has stronger adsorption for tannin was available. This adsorbent can be used to adsorb the tannin in the beer for improving the stability of beer. Our tests shown that 0.4g...

Adsorbent obtained from rice hull was used to improve the stability of beer based on the good adsorbability of rice hull. Rice hull was milled , mixed with sleaked sulfuric acid, and had a sealed dry-distillation in 240℃ temperature, then a higher temperature for activating was operated, the rice hull adsorbent which has stronger adsorption for tannin was available. This adsorbent can be used to adsorb the tannin in the beer for improving the stability of beer. Our tests shown that 0.4g rice hull adsorbent was stirred to adsorb 100ml beer for 30min in 15℃ temperature resulted the tannin's content in beer decreased 16.7%, these led up to slow down the precipitation reaction in the beer and obviously improved the stability of beer. Compared to the polyvinyl pyrrolidone, the rice hull adsorbent has advantages of fast adsorption, stronger adsorbability for tannin and lower cost.

利用稻壳良好的吸附特性,制备成吸附剂用于提高啤酒的稳定性。稻壳粉碎与稀硫酸混合,240℃密闭干馏,再以高温灼烧活化,得到对单宁有较强吸附能力的稻壳吸附剂。以此吸附剂去除啤酒中的部分单宁,以提高酒体的胶体稳定性,试验表明, 每100ml啤酒以0.4g吸附剂在15℃下搅拌吸附30min,可使酒中单宁量下降16.7%,从而减缓了引起啤酒混浊的缔合反应,使酒体稳定性明显提高。与聚乙烯聚吡咯烷酮比较,具有吸附速度快、吸附单宁更强及成本低廉的优点。

 
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