论文部分内容阅读
为促进科技成果转化,实现保护森林资源,改善生态环境,节约木材,方便广大铅笔使用者,石家庄信天翁科普中心现开始在全国范围内有计划、有选择地推广纸卷铅笔项目。纸卷铅笔及制笔设备,经马先生近十载潜心苦研,能生产HB书号铅笔、彩色铅笔、绘图铅笔、特种笔五大系列二十多个品种,产品外型新颖、美观,使用时不用刀削,一撕就用,方便极了。它与木制及自动铅笔比较,在使用方面具有方便、安全、卫生、不折笔芯,利用率高等优点。该项目投资小,见效快,回报高,易经营,无风险。是我国目前少有的具有较高科技含量的劳动密
In order to promote the transformation of scientific and technological achievements, realize the protection of forest resources, improve the ecological environment, save wood, and facilitate the use of pencil users, the Shijiazhuang Albatross Science Center is now planning to selectively promote the pencil project across the country. Roll pencils and pen equipment. After nearly ten years of hard work, Mr. Ma can produce HB book pencils, colored pencils, drawing pencils, and special pens. There are more than 20 varieties in five series. The products are novel in appearance and beautiful in appearance. Cutting, it is easy to tear off. Compared with wooden and mechanical pencils, it has the advantages of convenience, safety, hygiene, no refilling, and high utilization. The project has a small investment, quick effect, high return, easy operation and no risk. It is a rare labor-intensive laboratories with high scientific and technological content in China.