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Space Debris,ted a large amount of man-made objects in orbit around the Earth, which no longer serve a useful purpose. These objects are commonly referred to as .. Approximately 20,000 objects larger than 10 cm are known to exist; 500,000 particles between 1–10 cm in diameter and about 10 million debris smallerDerogate 发表于 2025-3-25 13:54:31
Nuclear Spectroscopy in the Rare-Earth Region Near the Proton Drip Line,he proton drip line. Single-particle states near the 82-neutron shell have been examined and their excitation energies determined. Numerous new isotopes, isomers, and .,-delayed proton emitters have been discovered. In addition, the a -decay properties of nuclides with . ≥ 84 have been reexamined; t符合国情 发表于 2025-3-25 17:28:04
Weighting Methods for Attrition in Choice-Based Panelse. Choice-based panel samples are subject to two forms of bias. The first arises from selective attrition. The second is a result of the choice-based nature of the sampling scheme itself. This chapter discusses weighting methods for choice-based panel samples which account for both kinds of bias, an评论性 发表于 2025-3-25 20:30:43
Critical Challenges in Access Management Schemes for Smartphones: An Appraisal, usage of mobile phone devices by users for accessibility. There exists a demand for a security solution capable of thwarting the existing threats while offering extended support, at the same time conserving user adaptability. In this research, an intensive survey has been conducted in which variousGEN 发表于 2025-3-26 03:23:19
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Graft-versus-host disease: implications from basic immunology for prophylaxis and treatmenty. Second, the effector mechanism in GVHD was initially thought to be direct cytotoxicity by alloreactive T cells. Cytokines are now known to play a central role in mediating many of the clinical and experimental manifestations of GVHD.忍耐 发表于 2025-3-26 19:40:46
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