通过对双宫丝绵纤维的主要物理力学性能及纤维形态进行检测,并与对照组的普通丝绵和蛹衬丝绵的性能进行比较,分析双宫丝绵压缩回弹性优良的原因。测定了双宫丝绵的压缩回弹性和纤维强伸力,结果表明:双宫丝绵的回复率96%,压缩率53%;单丝...通过对双宫丝绵纤维的主要物理力学性能及纤维形态进行检测,并与对照组的普通丝绵和蛹衬丝绵的性能进行比较,分析双宫丝绵压缩回弹性优良的原因。测定了双宫丝绵的压缩回弹性和纤维强伸力,结果表明:双宫丝绵的回复率96%,压缩率53%;单丝平均断裂强力4.43 c N,断裂伸长25.42%,这些指标均高于对照组的普通丝绵和蛹衬丝绵,双宫丝绵的回弹性达到了蚕丝被优等品的国家标准。电镜下观察到双宫丝绵的纤维较其他两种丝绵纤维的直径粗、长度长,丝纤维之间形成纵横交错的网络多。测试结果显示双宫丝绵优良的性能与它的结构有关。展开更多
The ways of shortcut cultivation on the floss-silk trees are discussed by contrast experiment of general cultivation and shortcut cultivation. The results of the experiments showed that the activity period of the seed...The ways of shortcut cultivation on the floss-silk trees are discussed by contrast experiment of general cultivation and shortcut cultivation. The results of the experiments showed that the activity period of the seeds is shorter than that by general cultivation, seeding in time is very important for the height of bud ratio and the haleness of nursery stock after the seeds are took out from the fruit of the floss-silk tree. The important conditions of seeds germination in the process of shortcut cultivation are illumination, moisture, temperature and humidity.展开更多
文摘通过对双宫丝绵纤维的主要物理力学性能及纤维形态进行检测,并与对照组的普通丝绵和蛹衬丝绵的性能进行比较,分析双宫丝绵压缩回弹性优良的原因。测定了双宫丝绵的压缩回弹性和纤维强伸力,结果表明:双宫丝绵的回复率96%,压缩率53%;单丝平均断裂强力4.43 c N,断裂伸长25.42%,这些指标均高于对照组的普通丝绵和蛹衬丝绵,双宫丝绵的回弹性达到了蚕丝被优等品的国家标准。电镜下观察到双宫丝绵的纤维较其他两种丝绵纤维的直径粗、长度长,丝纤维之间形成纵横交错的网络多。测试结果显示双宫丝绵优良的性能与它的结构有关。
文摘The ways of shortcut cultivation on the floss-silk trees are discussed by contrast experiment of general cultivation and shortcut cultivation. The results of the experiments showed that the activity period of the seeds is shorter than that by general cultivation, seeding in time is very important for the height of bud ratio and the haleness of nursery stock after the seeds are took out from the fruit of the floss-silk tree. The important conditions of seeds germination in the process of shortcut cultivation are illumination, moisture, temperature and humidity.