conjunctivitis 发表于 2025-3-25 05:12:23
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Biogeochemistry of Strontium,of geochemistry and the development of more precise analytical techniques. This review and the following discussion are confined to that part of the subject that is of direct importance to the geologists and biologists in various disciplines. The composition of the sediments accumulated on the ocean腼腆 发表于 2025-3-25 15:42:37
Skeletogenesis in Scleractinian Corals: The Transport and Deposition of Strontium and Calcium,two groups: the hermatypic (reef-building) and the ahermatypic (nonreef-building) corals. The vast majority of the hermatypic corals are found in shallow, tropical oceans, where their skeletons frequently form vast coral reefs. These tropical hermatypes characteristically contain within their cellsCURB 发表于 2025-3-25 18:04:57
Uptake of Stable Strontium by Plants and Effects on Plant Growth,tion by strontium or its radioactive daughter nuclides (e.g., Y-90), only a few articles exist on the uptake of stable Sr. and its possible effects on plant growth. Nevertheless there are two reasons why uptake of stable Sr. and its effects on plant growth are of great importance. First, from the vi刺耳的声音 发表于 2025-3-25 20:55:21
,Interactions of Divalent Cations Affecting Polyribosomal Profiles from Paramecium—With Particular R eukaryotes has been the subject of considerable study in the past (see ref. 1 for earlier references). More recently Jackson and Larkins (2) reported on the effect of ionic strength, pH, and the chelation of divalent cations using ethyleneglycol-bis(2-aminoethyl ether) tetraacetic acid (EGTA) when闲聊 发表于 2025-3-26 01:47:32
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,The Calcium-Activated Photoprotein Obelin—Effects of Calcium and Strontium and Its Use in the Measueart to take place. During the time that has elasped since these experiments were carried out not only has the role of Ca. in muscle contraction been well defined (2,3), but there has also been increasing evidence for an important role for Ca. in hormone action and secretion (4–6). In order to definInterim 发表于 2025-3-26 09:22:10
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Mitochondrial Granules in the Liver of Rats Kept on Stable Strontium Supplementation,s described first by Mraz (6) and Chappell . (1,7) in the early 1960s. Detailed studies on Sr. uptake by isolated mitochondria have been reported in 1965 by Carafoli . (8–10). These investigations on respiring rat-liver mitochondria have revealed several important features of mitochondrial Sr. uptak