This production line is made of bottle washing machine, acid etched machine and dryer. ect.
该生产线由洗瓶机、蒙砂机、烘干机等机器组成。
Whether the treatment successes or not mainly depends on the acid etched fracture conductivity and effective distance of acid-rock reaction.
酸压施工的成功与否主要取决于酸液有效作用距离和酸蚀裂缝导流能力。
Acid filtration is one of the major factors that restrict the growth of acid etched fractures and filtration control is the key to deep penetrating acid fracturing technology.
酸滤失是制约酸蚀缝长延伸的重要因素之一，滤失控制是深穿透酸压工艺成功与否的关键所在。
Objective: to compare phosphoric acid etched and laser etched human enamel surfaces and evaluate the possibility of using laser etching as a new technique to take place the conventional acid etching.
目的：对激光和磷酸刻蚀牙釉质进行比较，探讨激光刻蚀是否可作为酸蚀牙釉质表面的一种替代方法。
Chemical graining: the lithographic plate surface is etched to produce a fine grain by the application of a strong acid or alkali solution.
化学磨版：用强酸或强碱溶液在平版印版的版面上腐蚀，造成幼细微粒表面。
Objective:To investigate the appearance of enamel on the cross section of tooth after etched with 37% phosphoric acid for different etching time .
目的：观察用37%磷酸凝胶以不同酸蚀时间处理后的牙釉质在牙齿横断面上的形态改变。
The results indicate that the surface etched by acid solution is comparative smooth, the surface filled with the uniform etched pits, and very low reflectance.
结果表明酸溶液腐蚀的硅片表面相对平整，有均匀的腐蚀坑，反射率很小。
Cobalt phase was chemically etched to certain depth beneath the surface and porous layer was formed after YG8 cemented carbide had been soaked in aqueous solution of dilute nitric acid.
YG8硬质合金经稀硝酸水溶液化学侵蚀后，表面一定深度内的粘结相钴将被化学刻蚀掉，引起表层疏松。
The SERS spectra of a series of cyanine dyes in silver sol and AD - sorbed on silver or copper film etched by nitric acid are reported and compared.
本文报导了一类菁染料在银溶胶中和吸附在硝酸刻蚀的银和铜箔上的SERS光谱以及两种方式的比较。
Stripping rate and prevention of brass substrates from being etched are discussed. Electrolytic stripping of the deposits in a sulfuric acid solution is recommended.
讨论了退镀速度和防止基体受腐蚀问题，建议选用硫酸介质电解退镀。
Stripping rate and prevention of brass substrates from being etched are discussed. Electrolytic stripping of the deposits in a sulfuric acid solution is recommended.
讨论了退镀速度和防止基体受腐蚀问题，建议选用硫酸介质电解退镀。
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