论文部分内容阅读
对惠州地区营造的巨尾桉速生丰产林的效果进行了分析，结果表明，巨尾桉生长迅速，适合惠州地区生长。
惠州引种巨尾桉的生长状况与经济效益分析
【摘 要】
：
对惠州地区营造的巨尾桉速生丰产林的效果进行了分析，结果表明，巨尾桉生长迅速，适合惠州地区生长。
【机 构】
：
惠州学院生命科学系,湖南农业大学生物安全科技学院,广东教育学院生物系,汕尾职业技术学院
【出 处】
：
安徽农业科学
【发表日期】
：
2006年11期
其他文献
The aim of this study was to determine if accelerated aging of porcelain veneering had an effect on the surface properties specific to a tetragonal-to-monoclini
研究了刈割次数、施氨量和混播比例对扁穗牛鞭草和白三叶混播草地产量和群落组成的影响。结果发现，混播草地各处理产量均高于对照，处理④产量最高。处理⑿中白三叶在混播草地中
回顾性分析12年间收治的Mirizzi综合征(MS)21例临床资料.21例中Ⅰ型16例,Ⅱ型3例,Ⅲ型2例.术前确诊5例(23%),其中ERCP检查5例,确诊4例(80%).手术方式为单纯胆囊切除14例,胆囊
Mesenchymal stem cells(MSCs) have been identified and isolated from dental tissues, including stem cells from apical papilla, which demonstrated the ability to
Surface roughness of zirconia for full-contour crowns after clinically simulated grinding and polish
The aim of this study was to evaluate the effect of controlled intraoral grinding and polishing on the roughness of full-contour zirconia compared to classical
目的评价经胆囊管残端输尿管导管胆道引流在胆总管探查、胆管一期缝合术中的应用价值.方法回顾分析经胆囊管残端输尿管导管胆道引流应用于完成开腹胆总管探查、胆管一期缝合
为探讨清醒镇静在外科监护病房(SICU)患者中应用的意义,笔者对80例SICU患者采用清醒镇静镇痛治疗(以下称治疗组),与对照组比较,两组间的血压、心率、呼吸生命体征无明显差异,
Compensation trends of the angulation of first molars： retrospective study of 1 403 malocclusion cas
We investigated the compensatory trends of mesiodistal angulation of first molars in malocclusion cases. We compared differences in the angulation of first mola
Oral mucosal lipids are antibacterial against Porphyromonas gingivalis, induce ultrastructural damag
Oral mucosal and salivary lipids exhibit potent antimicrobial activity for a variety of Gram-positive and Gram-negative bacteria;however,little is known about t
期刊