Chemical thermodynamics evaluation on the corrasion of groundwater in karst tunnel;
岩溶隧道中地下水侵蚀性的化学热力学分析与评价
The hydrogeology feature is analyzed, outcome of water quality analysis is evaluated from the point of view of chemical thermodynamics; result evaluated shows the underground water has weak corrasion to rock carbonate and concrete.
在分析了岩溶地区地下工程对环境影响类型的基础上,以圆梁山深埋特长隧道为例,从环境工程角度阐述了其主要环境地质问题,分析了水文地质特征,利用化学热力学方法对隧道内水样的水质分析结果进行了侵蚀性评价分析,评价结果显示地下水对碳酸盐岩与混凝土具有弱侵蚀性,最后提出了在岩溶地区防止因地下工程造成环境影响的措施。
This synthetic soil was applied on the high steep rock slope to observe its erosion and nutrient loss.
对通过木屑和复合肥进行综合改良后人工基质的侵蚀性及其养分流失特性进行探讨,根据17次动态取样的研究结果表明,经过改良后的人工基质土壤流失量在植物发芽0～55d之间,几乎各植物生长期间的差异均达到显著水平(p<0。
The artificial soil substrate was made with cement, rice stalk and compound fertilizer and applied onto the high rocky slope and sampled 17 times at different sampling time to observe its erosion and nutrient loss.
对利用水泥、稻草和复合肥改进后的人工基质,通过不同时间取样(取样17次)进行其侵蚀性和养分流失特性的研究。
It shows that foe refractory material have theadvantage of corrosion resistance and erosion protection.
根据水煤浆加压气化炉工况条件要求，开发出高铬耐火材料，并在气化炉投入使用，结果表明，该耐火材料具有抗侵蚀性好、耐冲刷等特点，取得了较好的使用效果，已完全可以取代进口产品。
The corrosion resistance property was also inve.
与纯铝酸钙水泥比较,凝结时间正常,新型铝酸盐水泥结合刚玉浇注料与纯铝酸钙水泥结合刚玉浇注料的抗弯强度相当,耐火度较高和抗侵蚀性较好,其原因在于水泥中存在镁铝尖晶石相,而镁铝尖晶石有较高的熔点和抗熔渣侵蚀能力。
Corrosion resistance of MgO partially-stabilized zirconia ceramic;
m in-1)侵蚀试验,研究渣的碱度、流速及Fe2O3含量对材料抗侵蚀性的影响。
aggressive water
腐蚀性水;侵进水;侵入水;侵蚀水;侵蚀性水
The erosive rain is defined as rain, which can cause soil erosion.
侵蚀性降雨,是指能够引起土壤侵蚀的降雨。
The Properties Studing of the Concrete Eroded by Nitric Acid and Nitrate Corrosion;
受硝酸及硝酸盐腐蚀下混凝土侵蚀性能研究
Numerous experiments have been performed to establish the erodibility of the soil.
许多实验都曾得出了土壤的可侵蚀性。
Effect of Jute Geotextiles on Soil Anti-erodibility
黄麻土工布对土壤抗侵蚀性能的影响
The Study on the Performance of Phosphorus Slag Concrete Resists Sulfate Attack;
磷渣混凝土的抗硫酸盐侵蚀性能研究
ARC EROSION PROPERTY OF C/C COMPOSITES WITH ELECTRIC CURRENT
C/C复合材料抗电弧侵蚀性能研究
Analysis of the Erosive Rainfall and Rainfall Erosion Energy on Red-soil Slopeland
红壤坡地侵蚀性降雨及降雨动能分析
The study of the corrosion resistance of cement clinker of MgO-ZrO_2 materials
MgO-ZrO_2材料的抗水泥熟料侵蚀性能研究
The findings here fit with acute erosive gastropathy, but there are other patterns.
图示急性侵蚀性胃炎，当然也有其它类型。
Resistance to Sulphate Attack of Polymer Modified Sulphoaluminate Cement
聚合物改性硫铝酸盐水泥抗硫酸盐侵蚀性能
SULPHATE-CORROSION RESISTANCE OF HIGH PERFORMANCE FLY-ASH CONCRETE FOR PAVEMENT
路用粉煤灰高性能混凝土的抗硫酸盐侵蚀性能
sheet erosion (sheet wash)
片蚀, 表土侵蚀, 片状侵蚀
Protect the balance from aggressive chemical vapors
采取保护措施防止仪器遭受腐蚀性气体的侵蚀
Corrosion is described as the destructive chemical attack of metal by media
媒质对金属的破坏性化学侵蚀称为腐蚀。
Experimental Study on Sea Water Corrosive Action of Concrete and Forecast the Corrode Resisting Property of Concrete;
混凝土抗海水侵蚀试验研究及其抗蚀性能预测
To erode or be eroded by abrasion.
侵蚀通过磨损而侵蚀或被侵蚀
assault with corrosive fluid
用腐蚀性液体侵害他人身体