查询词典 corrosivity

Table 1 defines the corrosivity categories in terms of the mass or thickness loss of such standard specimens made of low-carbon steel and/or zinc after the first year of exposure.

表1根据由低碳钢和/或锌制成的，暴露第一年以后的标准试样的质量或厚度损失，定义了腐蚀种类。

In a stationary exposure at 6 Chinese and 3 Swedish sites the corrosivity of coupous and the effects of environmental parameters have been investigated.

同时在中国6个、瑞典3个试验点进行腐蚀性及环境因素影响的挂片试验，对汽车底部的挂片包括采用不同的结构材料、涂漆及临时防锈剂，研究开放表面及缝隙内的腐蚀行为。

The ambient air should not be obviously polluted by corrosivity or the flammability gas and geam.etc.

、周围空气应不受腐蚀性或可燃性气体及水蒸汽体等明显污染

D、The ambient air should not be obviously polluted by corrosivity or the flammability gas and geam.

D、周围空气应不受腐蚀性、可燃性气体及水蒸汽体等明显污染

The ambient air should not be obviously polluted by corrosivity and the flammability gas.

周围空气应不受腐蚀性、可燃性气体等明显污染

Ground water ; ground soil ; concrete ; concrete iron ; corrosivity ; evaluation ; otheogonal test

吉林大学；程祖锋地下水；场地土；混凝土；钢筋；腐蚀性；评价；正交试验

Moreover, the determination of the content of dissociate cyclohexanone-omine in the mixture of rearrangement process in caprolactam production was also studied. The rearrangement mixture is a complicated and difficult system to directly analyze, containing great volume of sulfuric acid and some amount of sulphur trioxide, with higher viscosity and strong corrosivity.

此外本论文还对己内酰胺生产过程中的重排混合物中游离环己酮肟含量测定进行了研究，重排混合物是一个很特殊、难以直接分析的体系，含大量硫酸和少量三氧化硫，粘度大，腐蚀性强，且杂质种类较多。

Corrosion and prevention strip map of soil conditions along buried pipeline are studied , taking the corrosion current density meatured on situ as the method and the quantitive classification index for soil corrosivity evaluation.

对于地下管道土壤环境腐蚀性及防护状况带状图的研究，以原位测量方法获得的腐蚀电流密度i_作为土壤腐蚀性评定方法和定量等级指标。

ASTM B 813,"Liquid and Paste Fluxes for Soldering Applications of Copper and Copper-Alloy Tube," limits the corrosivity of soldering fluxes and ensures that these fluxes are flushable in cold water, which facilitates easy removal of flux residue following installation.

美国材料实验协会ASTM B 813&铜和铜合金管道焊料应用中的液体和粘合焊剂&标准中，限制焊料焊剂的腐蚀性，确保这些焊剂能够被冷水冲刷掉，并且在以后的安装过程中焊剂残留容易被清除掉。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。