Volatile-Oils
发表于 2025-3-26 23:11:07
Eunju Kim the world. First of all R. Johnson from England defined durable resistance for rust diseases in self-pollinating cereals with special reference to stripe rust. This definition is based on the recognition of this type of resistance rather than giving an explanation for it. In the north-western part
轻信
发表于 2025-3-27 03:54:06
Izumi Ohno,Sayoko Uesuechanism in practical plant breeding. We have chosen the fungus ., the causal agent of tomato leaf mould, as a model. Recently we reported the first cloning of the fungal avirulence gene, ., from C. .. The fact that the product of . induces HR, one of the primary defense mechanisms associated with o
手榴弹
发表于 2025-3-27 07:37:40
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terazosin
发表于 2025-3-27 10:46:01
articular, has enabled new concrete characteristics, making standard concrete a very modern composite material. If the fibers are electrical conductors, the properties that change in addition to the mechanical ones, are the thermal and electrical conductivities. The results indicate that the arrange
AVANT
发表于 2025-3-27 14:53:38
Akio Takayanagiformational formulation of plasticity theory and common kinematic hypotheses (SAE AE-22, Sect. 8.3.33). Two principal types of the helical springs—the compression springs and the torsion springs are studied. For the first type (axial compression or tension springs) the spring wire is twisted. The ba
健忘症
发表于 2025-3-27 17:58:15
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金盘是高原
发表于 2025-3-27 22:09:55
Tatsufumi Yamagataatures, as the spring itself. Its bending, torsion and compression stiffness are equal to the corresponding stiffness of the helical spring. This rod is known as an “equivalent column” of the helical spring. The “equivalent column” equations are considerable easier to handle than the original equati
杂役
发表于 2025-3-28 02:30:57
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lethargy
发表于 2025-3-28 07:52:32
ry material: Strain-Hardening Fibre-Reinforced Cement-Based Composites (SHCC) were named after their ability to resist increased tensile force after crack formation, over a significant tensile deformation range. The increased resistance is achieved through effective crack bridging by fibres, across
敲竹杠
发表于 2025-3-28 10:53:28
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