匍匐
发表于 2025-4-1 03:46:49
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行为
发表于 2025-4-1 08:06:35
D. Siemen,S. Hellmann,A. Maelicke most cropping systems is low. The inefficient use of N fertilizer represents approximately $680 million to $1 billion of direct economic losses annually for Canadian farmers alone. In humid environments such as northeast USA and eastern Canada, corn yield response to N amendments is poorly correlat
Self-Help-Group
发表于 2025-4-1 13:28:15
Roger L. Papke,Robert E. Oswaldrop productivity to meet this demand, resulting in deterioration of the environment. Rhizospheric microorganisms maintain a close relationship with plants and help stimulate plant growth. Arbuscular mycorrhizal fungi are ubiquitous and form a symbiotic association with many higher plants. They impro
意外
发表于 2025-4-1 15:19:33
What Can We Learn about the Acetylcholine Receptor from Synthetic Peptides?Torpedo electric organ (9–13). The sequence data have been the basis for predictions concerning the transmembrane orientation of the AChR subunits, as well as the possible location of the acetylcholine binding site, the glycosylation and phosphorylation sites, and the main immunogenic determinants.