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XIE Xueqiang 《Journal of Landscape Research》2020,(2):95-98
The native and introduced ground cover plants were screened by field survey,cultivation test and configuration effect evaluation in arid valleys of Ganzi Tibetan area.A total of 205 species belonging to 140 genera,67 families were selected as applicable types.Among them,there were 53 species of evergreen shrubs,36 species of deciduous shrubs,17 species of woody vines,99 species of herbaceous plants;27 species of color-leafed plants,8 species of succulent plants.And 79 species were recommended as the best ground cover plants.Higher plants in Ganzi Tibetan area were increased to 5,362 species,1147 genera,244 families through screening. 相似文献
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我国是畜牧业和畜禽产品生产、消费大国,肉类的产量居世界第一位.但畜产品的出口量却不多,这很大程度上源于我国的畜产品存在质量安全问题.随着人们安全意识的不断提高,以及我国加入WTO,发展无污染、无残留、对人类健康无损害的畜产品已成为必然选择.…… 相似文献
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The advances in the treatment of heart failure with Yangxinshi tablet are reviewed in this paper.Yangxinshi tablet has effects of nourishing myocardia,improving myocardial metabolism,reducing myocardial oxygen consumption,dilating coronary artery,improving cardiac blood supply,reducing blood viscosity and improving microcirculation,and it can improve the functions of heart and curative effect of heart failure. 相似文献
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以山杏幼叶为材料,比较了4种DNA提取方法。结果表明,处理为100mmol/LTris2HCl(pH8.0)、20mmol/LEDTA(pH8.0)、1.4mmol/LNaCl、2%CTA、10mmol/LNa2S2O5、2%β-巯基乙醇、1%PVP-40、1%Vc的CTAB4方法提取的基因组总DNA质量较高,DNA溶液无色透明,紫外分光光度计测得OD260/OD280为1.8~2.0,无降解现象,RNA去除干净,经AFLP分析条带清晰,多态性好,说明此法提取的DNA能够适应AFLP分析的要求。 相似文献
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功能性复方荷叶袋泡茶的研制 总被引:2,自引:0,他引:2
采用荷叶、菊花和茶叶三种原料,通过两两组合选优、再三者组合优化配比,试图筛选出口感好、营养成分搭配合理的最佳配方。结果表明:组合chj2营养保健成分氨基酸和茶多酚含量较高,含水量较低,感官评定茶汤绿色清澈、香气清新、口感纯正,是一种较理想的配比组合。包装袋大小、冲茶水温、制作原料等因素对袋泡茶茶水品质有较大影响,要求包装袋大小适中,以容纳3~4g的规格大小为宜;水温一般以80~90℃比较好,冲泡后茶汤香气清新、汤色清绿、味道纯正;原料要求新鲜无霉变、品质纯正,确保袋泡茶质量。 相似文献