“布开花”纱疵浅析

“布开花”纱疵是指纺入纱内的有色线头、绒线头、化纤丝、塑料丝等有色杂纤维,织成坯布后,布面呈满天星状的有色纱疵。它直接影响棉布下机一等品率、入库一等品率及本色坯布出口的单双联率,影响企业的经济效益。本文分析布开花纱疵产生的原因及其防治方法。

Species and distribution of mountain bamboos in Shennongjia, Central China

Inventory recorded 4 genera and 11 species of mountain bamboos in Shennongjia, Central China. Of these, 4 species (Phyllostachys nigra var. henonis, Ph. heteroclada, Ph. nidularia and Ph. bambusoides) belong to the monopodial bamboo, 4 species (Indocalamus latifolius, I. longiauritus, I. wilsoni and I. tessellatus) to the amphipodial bamboo, and 3 spe-cies (Fargesia spathacea, F. murielae and Yushania confusa) to the sympodial bamboo. Monopodial bamboos grow on the gentle slopes below 1800 m asl, occurring from the subtropical belt to the temperate belt in the vertical climatic spectrum of the mountain; Sympodial bamboos occur in higher elevations, ranging from the warm temperate (1200 m), across the medi-ate temperate and cold temperate, to the mountaintops of the frigid temperate belt (3100 m). Amphipodial bamboos occur in all climate types except the frigid temperate belt. Three dominant species, F. spathacea, F. murielae and Y. confusa, currently cover 12 %, 9 % and 3 % of the mountain ranges in Shennongjia, respectively.

文豪们的春之旅

三月才刚开始，晨间新闻便铺天盖地播放着追逐樱花前线的报道，纵使路人还裹着厚厚的羽绒服冻得哆嗦，举目望去，满树花苞也丝毫未有饱满之兆，但花期总是违背自然规律提前到来，人人的头等大事都变成等待宣布开花那一刻。往后一个月，岛国会笼罩上日渐浓郁的粉色情怀，人们蜂拥至奈良和京都的赏花胜地——久负盛名的几家旅馆，他们至少要提前半年订房。在旅馆工作的人，倒是真没闲暇赏花的。