查询词典 erosion

In particular, naphthenic acid corrosion has more erosion to the crude oil unit so as to affect security operation.

尤其环烷酸腐蚀对常减压装置安全运转影响甚大。

In this paper,a revised universal soil erosion e-quation was selected, the effects of errors of this neglection on it were tested by non-parametric hypothetical test method of Kolmogorov-Smirnov for a 22-year period within 21 catchments of the middle Huanghe River region,and the resul...

采用非参数假设检验方法，对年产沙模数估计方程中下垫面因素的时变影响作定性分析，结果表明，对于一般流域，如果没有人类活动或自然灾害破坏导致下垫面条件的突变，下垫面因素对产沙的影响可看作是时不变的。

The change of the control grouph histomorphology was clear: the inerassation of synovial lining cells, the infiltration of Inflammatory cells and the erosion of nephelium of blood vessels on bones.

模型组大鼠组织形态学改变明显：关节滑膜衬里层细胞明显增犀，炎性细胞浸润，血管翳组织侵蚀骨组织等；而给药组组织形态学改变显著减轻。

Drying is accom-plished at a noncritical, elevated temperature, and the resultingdried material is strong, hard, and erosion resistant.

而且可在非临界高温下进行干燥，干燥后的材料坚硬，并具有抗腐蚀能力。

Soil erosion intensity presented the characteristics of nubby discontinuous distribution in spatial, which is

采用影响度指数表示评价单元的土壤侵蚀对水质的影响程度，选择土地利用、离沟道距离、K值、坡度和侵蚀模数等作为评价影响度的影响因子，采用专家打分和综合评判法并结合GIS对土壤允许流失量进行判定；研究表明，研究区土壤允许流失量在100～500 t/km~2·a之间，且以200 t/km~2·a占绝大多数，100 t/km~2·a、300 t/km~2·a、400 t/km~2·a和500 t/km~2·a仅有零星的分布。

Ti alloy is a most perspective material for oralogy due to its excellent mechanical properties and erosion resistance as well as biology compatibility.

钛具有优异的力学性能，良好的耐蚀性和生物相容性，已成为口腔医学中最有发展前途的金属材料。

Secondly, the dry land from landuse database was overlain with slope database, soil erosion database, normalization vegetation index database.

其次，从土地利用数据库中提取旱地的数据，并与坡度数据、土壤侵蚀数据、植被指数数据进行叠加分析。

Furthermore, the intensive uplift and erosion (up to 3000 m in thickness) at the end of the Palaeogene had severe negative effects on hydrocarbon ace umulation. On one hand, it caused decline of temperature and pressure, and resulted in slowdown of hydrocarbon gene ration and expulsion from source rocks; on the other hand, it destroyed the earlly formed oil-gas pools.

另外，本区地层在老、新第三纪之间遭受的强烈抬升剥蚀（最大剥蚀厚度达3000m ，对本区的油气生成和聚集更是产生了严重的负面影响：一方面导致源岩层的温度、压力下降，油气生成、排出作用大大减弱；另一方面，使得已排出并聚集成藏的油气遭到破坏。

Results MRI results showed that synovial hyperplasia and enhanced pannus in the wrists could be seen in all the cases, while hone marrow edema, hone erosion and joint effusion could be seen in 65, 50 and 54 cases respectively.

结果78例早期RA的MKI征象：滑膜增厚78例，血管翳强化78例，骨髓水肿65例，骨侵蚀50例，关节积液54例，腱鞘炎3例。

The reason of the disease is uncertain and its pathologic change is chronic Inflammation of joints, cell infiltration, information of pannus and the erosion of cartilage and bones, which lead to the destruction and dysfunction of joints structure.

本病病因未明，主要病理变化为关节滑膜的慢性炎症细胞浸润、血管翳形成、软骨及骨组织的侵蚀，导致关节结构的破坏和功能丧失。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。