雪花悠然地飘落下来,是这一年的第一场雪。一片,两片,三片,雪花飘飘摇摇落下来,最后整个天空都泛白。它们是那样洁白,那样轻盈,那样可爱。它们轻吻着大树光秃却很写意的枝丫,
Lepidium subcordatum Botsch. et Vved. (Brassicaceae) is a rare endemic species of relict mountains of the Kyzylkum desert. The plant is listed in the “Red Data
The use of microbes and microbial products as bioherbicides has been studied for several decades, and combinations of bioherbicides and herbicides have been exa
The species that can be used as cover plants are many, which makes it difficult to make a choice, since there is no ideal plant, and it is necessary to make a s
运用DEA方法,构建了科技企业孵化器效率评价模型,从综合效率、纯技术效率和规模效率的角度对北京市15家科技企业孵化器的效率进行实证分析,并对其运营效率进行对比分析,以期
当我第一次教女儿使用“谢谢”这个词的时候,她好奇地问我:“为什么要这么说?”“因为这是一种礼节。”“什么是礼节?”“礼节就是各种惯用形式。”我用字典上的解释来敷衍她
苏北的洪泽湖盛产螃蟹．有一个传说流传甚广。说的是，水母娘娘水漫泗州，惊动了东海龙王敖广，敖广随即派旁龙、解虎两员大将前去探明虚实。旁龙、解虎从东海出发，沿长江西进，到泗州一
我停留在风景中，云雾中的花一遍遍地开放，那花绽放的声音静谧无比。好似在很久以前一个空旷的原野中听到梅花怒放的声音。让我的灵魂随着花的绽放一同飞舞。
The effects of biofungicide formula containing the biocontrol agent Trichoderma harzianum (Jn14) as wettable powder in combination with the fungicides pyrimetha
Phosphorylation of proteins is an important post-translational modification. Methods to determine the phosphorylation state of proteins are very important to ev