角膜损伤(51.4%)特别是植物性物质损伤(25.7%)为最常见的危险因素。
Corneal trauma was the most common risk factor (51.4%), especially injury by plant mater (25.7%).
文章较系统地论述了植物性物质防治储粮害虫的历史及近几年来的研究进展,并对该类物质在储粮害虫防治中的应用前景进行了讨论。
History and research advances in using botanical materials controlling stored -product insects are systematically reviewed, also the prospects in this field is discussed briefly.
膳食纤维是指植物性食品中不能被人类胃肠道所消化的糖类物质,包括非淀粉类多糖和木质素。
Dietary fiber including non starch polysaccharide and lignin is the carbohydrate substances contained in plant foods which can not be digested by human digestive system.
The plants can be deficient in certain things, especially fat soluble vitamins that come from meat and from essential amino acids.
植物中缺乏某些物质,特别是脂溶性维生素,那些只能从肉类和必需氨基酸中获得
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