查询词典 phosphoric

At high temperatures, high resistance to formic, phosphoric,sulfurous and sulfuric acids.

的性能，对于甲酸、磷酸、亚硫酸和硫酸具有很好的耐腐蚀性。

It is particularly used in sulphuric and phosphoric acids applications.

N08904在很多应用环境中都有良好的性能表现，如洗涤除尘设备、酸及化肥的生产，特别是可应用于硫酸和磷酸环境。

The result shows:(1) The value of pH of solution should be adjusted with phosphoric acid and sulphurous acid (1:2) at extracting pectin from apple pomace,and the pectin with the best color and quality was obtained.

研究结果表明：①用本试验所用的果渣提取果胶，应选用H_3PO_4和H_2SO_3混合酸(1：2)作为萃取剂调节溶液的pH值，所得粗果胶无论是产率还是色泽都优于其它酸萃取的效果。

A commercial fertilizer which contains 2.5 to 3 times as much available phosphoric acid as superphosphate.

一种商业肥料，它所含磷酸比过磷酸钙多2.5到3 倍。

METHOD: Radzx Stemonae tuberosae and Syringa reticulata Hara var. mandshurica Hara were identified by TLC, and the content of Baicalin was determined by HPLC. Agilent Eclipse XDB-C18 column (4.6 mm×250 mm, 5 m) was used, the mobile phase was methanol and 0.2% phosphoric Acid (45:55), flow rate was 0.9 mLmin^(-1), and the detection wavelength was 276 nm; the column temperature is 35℃.

采用薄层色谱法对制剂中的百部、暴马子皮进行鉴别，采用高效液相色谱法测定化痰平喘片中黄芩苷的含量，用Agilent Eclipse XDB-Cl8柱(4.6mm×250mm， 5μm)，以甲醇－0.2%磷酸(45：55)为流动相，流速：0.9mLmin^(-1)，检测波长为276nm，柱温：35℃。

Some of the bad ingredients would be: Phosphoric acid, because it is the chemical that adds a tangy or sour flavor, it breaks down starches into sugar.

一些不好的成分是：磷酸，因为它是化学剂，用来增加刺激性和酸味，它能使淀粉在糖里面溶解。

A patent for fluorosilicic acid production by adsorption of silicon tetrafluoride with pressure water is described in the production of wet-process phosphoric acid or phosphate fertilizer.

介绍一种在湿法磷酸或磷肥生产过程中用水吸收四氟化硅制备氟硅酸的专利技术。

Are the main products are: yellow phosphorus, phosphoric acid, sodium salt (one, two, three, four, five, six sodium), formic acid, sodium, a potassium, dispersants, S Lida triazine and more than 300 chemical reagent Products.

现主要产品有：黄磷、磷酸、磷酸钠盐（一、二、三、四、五、六钠）、甲酸、甲酸钠、甲酸钾、分散剂、硫利达嗪和300多个化学试剂产品。

The catalysts such as tetraphenyl tin,aluminium isopropoxide and boron trifluoride etherate complex were used to catalyze the copolymerization.In addition,the copolyester can be given by copolycondensation after monomers were hydrolyzed by phosphoric acid.Boron trifluoride etherate complex was chosen as the catalyst because the catalytic activity was the best among the catalysts.

由于γ-戊内酯为五元环结构，难以进行开环聚合，因此分别考察了四苯基锡、异丙醇铝、三氟化硼乙醚络合物等催化剂，以及以磷酸为催化剂的水解缩聚反应，结果发现三氟化硼乙醚络合物的催化活性最高，因此选择三氟化硼乙醚为本体开环聚合的催化剂。

The film formed during the first stage was different from that formed either in phosphoric acid or sodium tungstate electrolyte.

第一阶段形成的氧化膜与在单独的磷酸或钨酸钠体系中形成的氧化膜有所不同。

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。