查询词典 headwater erosion

Preventing teeth decay: People normally believe that the fluorine in the tea can increase the resistance of the teeth enamel to the erosion of the acid, so that the tea can prevent teeth decay. Actually, it is also because that the acacatechin can strongly refrain the Streptococus mutans.

预防龋齿：茶叶防龋作用，一般认为是茶中的氟，而使牙釉质对酸的侵蚀具抵抗力，但是儿茶素类能强烈抑制生龋菌也功不可没。

According to the practical observation and result of WEPP model simulating, the rate of the soil erosion was the biggest when the slope was 18-23. The reasons were that hydraulic friction and change of the acceptant area-were decided by steep and slow of the slope.

用WEPP模型来模拟皇甫川流域坡面与侵蚀量的关系是可行的，根据试验观测及WEPP模型模拟得到结果，皇甫川地区的土壤侵蚀率在坡度是18~23℃时最大，原因主要有坡度的陡缓决定了水力阻力的大小和坡面承雨面积的改变等。

Specimens were divided into 3 groups （cervix erosion group with 385 cases, condyloma acuminate group with 173 cases and cervical carcinoma group with 32 cases） according to pathological diagnosis.

根据病理诊断分型把590例患者分为3组：宫颈糜烂组385例、尖锐湿疣组173例、宫颈癌组32例，比较各组的HPV感染率和感染类型。

Blade assembly is cured at 250℉ in a machined metal mold. After curing, the blade is trimmed, the Polyurethane leading-edge erosion strip is applied, and the blade is finished and balanced. Tungsten leading-edge weights in the outboard 50% of the blade provide aeromechanical stability, and tungsten tip

主旋翼翼梁以石墨、玻璃纤维及环氧树脂模合而成，诺美克思蜂巢结构的翼后缘夹心黏附於翼梁及旋翼后缘强化结构上，组成后在华氏250度的预热金属模上包里玻璃纤维叠层，经过修裁，加上聚配胺抗腐蚀片后才告制作完成。

Cavitation erosion performance of laser surface cladding MMC of Si3N4 on AA6061 alumium alloy .

激光熔覆钴基合金组织及其抗腐蚀性能。

Andropogon: Grass used for erosion control.

须芒草：用于控制水土流失的一种草。

Andropogon Grass used for erosion control.

用于控制水土流失的一种草。

Andropogon Gra used for erosion control.

用于控制水土流失的一种草。

With Zhifanggou watershed under typical erosion environment as study plot, the abandoned in different time as subjects, and slope cropland and natural Chinese arborvitae stand as CK, the substitution method of space for time was applied to analyze organic carbon, active organic carbon, non active organic carbon and evolvement of carbon pool management index in the period of ecological restoration.

：采用时空互代法，以典型侵蚀环境纸坊沟流域生态恢复过程中不同年限的撂荒地为研究对象，选取坡耕地和天然侧柏林为对照，分析了植被恢复过程中土壤有机碳、活性有机碳、非活性有机碳及碳库管理指数的演变特征。

Recently, studies have demonstrated that atheromatous plaque rupture/erosion, thrombosis based on this process and arteriospasm are the main causes of ischemic necrosis of organ, whose blood were supplied by the corresponding artery.

近年来研究发现粥样斑块的破裂和/或糜乱及其在此基础上的血栓形成和动脉痉挛是造成相应动脉供应器官缺血坏死的主要原因。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼