The British Proclamation of 1763, the war of 1812, geological barriers and the lack of modern-day transportation all provided resistance against westward migration.
英国1763年公告、1812年战争、地理阻隔和现代交通的缺少都对向西迁移产生了阻碍。
When oil enters the hole of water-wet sandstone driven by pressure difference, oil migrates following a line of less resistance because of the migration force of oil is bigger than that of water.
油在压差驱动下注入亲水砂岩孔隙的过程中，油的运移阻力比水大，因而，油往往沿阻力较低的有限通道运移。
The results show that there is not any evidence of silver migration within LTCC construction, and conductor adhesive force, wire-bonding strength and insulation resistance are high.
结果表明：基板内部的银导体不存在迁移现象，导体的附着力、键合强度以及基板的绝缘电阻等性能均比较理想。
It 'mainly concludes these characteristic parameters, such as visual, dryness, ion contamination, welding flux residual, surface insulation resistance and electric migration et al.
这些参数主要包括：外观、干燥度、离子污染、助焊剂残留、表面绝缘电阻和电迁移等。
In recent years, it has been realized that volume-regulated chloride channels are closely associated with proliferation, invasion, migration, apoptosis and multi drug resistance of tumor cells.
近年研究发现容积调控性氯通道与肿瘤细胞的增殖、侵袭、迁移、凋亡及多药耐药性等恶性生物学行为有关。
Influence of individual migration on the evolution of resistance of pest population to insecticides has been studied based on population genetics by modeling.
利用抗性群体遗传模型研究了迁移对害虫抗性演化的影响。
RESULTS: Sarcoma cells migrated through endothelial cells into collagen gel, the electrical resistance of a HUVEC monolayer reduced in extravasation migration of sarcoma cells.
结果：肉瘤细胞可以穿过血管内皮细胞游走至血管外；肉瘤细胞向血管外的游走能够引起单层血管内皮细胞的电阻下降；
This article studied migration, dispersing and achromatic property of salt-resistance levelling agent TF-212B on polyester pongee under the existence of sodium sulphate.
选用春亚纺面料，在电解质元明粉存在的条件下，研究了耐盐高温匀染剂TF-212B对分散染料的高温分散性、移染性和消色性等染色性能的影响。
According to the analysis of EIS the weathering steel with high Cr content was cov-ered by a more compact and effective corrosion product film with higher resistance to ions migration.
电化学阻抗谱分析结果则显示高铬耐候钢具有较致密有效的腐蚀产物膜，抵御离子传导能力增强。
According to the analysis of EIS the weathering steel with high Cr content was cov-ered by a more compact and effective corrosion product film with higher resistance to ions migration.
电化学阻抗谱分析结果则显示高铬耐候钢具有较致密有效的腐蚀产物膜，抵御离子传导能力增强。
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