碱测定法

Objective: To set up a method for determination trigonelline in pumpkin powder by HPLC.

目的：建立高效液相色谱法测定南瓜粉中胡芦巴碱的方法。

The electrochemical behavior of three kinds of Schiff base brighteners (DL01, DL02, DL03) and CoSO4 in sulfate laths for electroplating of bright tin and tin-cobalt alloy coatings was investigated using linear potential sweep.

为了研究3种希夫碱光亮剂(DL01、DL02、DL03)及CoSO4在电镀时的电化学行为，采用线性电位扫描法测定了含新型添加剂的硫酸光亮镀锡、锡钴合金镀液的极化曲线。

Soil respiration rate in Daqing leymus chinensis grassland was menstruated by using method of alkali absorption.

采用碱液吸收法对大庆市碱草草原土壤呼吸速率进行了测定。

Objective To develop an HPLC method for the determination of berberine hydrochloride in Gangtai suppositories.

目的 建立高效液相色谱法测定肛泰栓中盐酸小檗碱含量的方法。

A HPLC method for determination of berberine hydrochloride in Qianliean suppositories was established.

建立了HPLC法测定前列安栓中盐酸小檗碱的含量。

This kind of configuration suits the multi-nucleotide chain's purine pyrimidine alternate area. in 1989, the American scientists with scanning tunnel electron microscope law visual observation double helix DNA double helix DNA ︰ in 1952, Austrian lineage US biology chemist Zha Qiefu (E.chargaff,1905-) have determined in DNA 4 kind of basic group content, the discovery gland fat ling and thymine quantity are equal, the bird fat ling and cytosine quantity is equal.

这种构型适合多核苷酸链的嘌呤嘧啶交替区。1989年，美国科学家用扫描隧道电镜法直接观察到双螺旋DNA 双螺旋DNA︰1952年，奥地利裔美国生物化学家查伽夫（E.chargaff，1905—）测定了DNA中4种碱基的含量，发现其中腺膘呤与胸腺嘧啶的数量相等，鸟膘呤与胞嘧啶的数量相等。

Chromium ore samples were fused by alkali and then leached out by hydrochloric acid. After the analytical lines of the elements were selected, the conditions of sample uptake, carrier gas flow, cooling gas flow and RF power were optimized with the system of SeaSpray nebulizer and cyclone spray chamber, based on the principle of best signal stability. The determination of chromium, aluminum, iron, magnesium and silicon in chromium ores was fulfilled.

铬矿石样品经碱熔融和盐酸浸取后，选用SeaSpray雾化器和旋流雾室，选定了待测元素的分析线，以信号的稳定性为原则，优化了样品提升量、载气流量、冷却气流量和入射功率，实现了电感耦合等离子体原子发射光谱法对铬矿石中铬、铝、铁、镁和硅等主量成分的测定。

In the method glacial acetic acid was used as solvent, and 0.2 % viola crystalline was used as indicator.

建立了测定盐酸水苏碱含量的非水滴定法。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。