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The best concentration of BF?4 in the system of ERL?4221+EPON?812 is 3%-5%. [CpFeCp]BF4的最佳使用浓度为3%25(质量分数)左右,由于光照后仍有强后聚合活性,发现其在较低浓度(质量分数1%25)引发后放置,仍可使聚合完全;
The best concentration of isopropanol in the mobile phase is 1%. 流动相中异丙醇体积分数以1%25为最佳。
Addition method was improved and the best concentration of HAc was decided for increasing of the yield. 本文改进了加料方法，并确定了冰醋酸的最佳浓度，因此反应收率得到提高。
Objective To observe the effects of LH tablets' dissolution by HPMC,as an adhesion agent,so as to choice the best concentration of the adhesion. 目的考查羟丙基甲基纤维素作为粘合剂对盐酸洛美沙星片溶出度的影响,选择出最佳粘合剂浓度。
Objective To observe the effects of LH tablets dissolution by HPMC,as an adhesion agent,so as to choice the best concentration of the adhesion. 目的考查羟丙基甲基纤维素作为粘合剂对盐酸洛美沙星片溶出度的影响,选择出最佳粘合剂浓度。
When the solvent was seawater, the surfactant of Befit hand cleanser should be chosen preferentially, and the best concentration of hydrogen peroxide was 5%. 在以海水为介质的漂白体系中，表面活性剂贝芬家用洗手液使用效果较优，双氧水体积分数为5%25，效果最佳。
The results indicated that they can proliferate Bifidobacterium breve effectively and the best concentration of them was 1.0% and they had no synergistic effect. 研究表明;低聚异麦芽糖、低聚木糖及复合低聚糖对短双歧杆菌有明显的增殖作用;其最佳增殖浓度均为1.;0%25;且复合低聚糖之间没有协同效应。
It is the better concentration of ropivacaine used for labor analgesia. 是硬膜外分娩镇痛较为理想的药物浓度。
Methods In selecting incept concentration of taking of sensitivity, to do mix-skin-test basing on tradition commend concentration and choosing the best concentration to begin to take of sensitivity. 方法在选择脱敏起始浓度时,在传统推荐浓度的基础上,行混合皮试,择取最佳浓度开始脱敏;
The best concentrations of balsam pear juice, honeysuckle extract, Lophatherum gracile Brongn extract and sirup were 25%, 1.5%, 1% and 8%, respectively. 最佳配比为25%25苦瓜汁、1.;5%25金银花浸出汁、1%25淡竹叶浸出汁、8%25糖浆。
She is one of the best hurdlers in the world. 她是世界上最优秀的跨栏选手之一。
I don't like French food even at the best of times. 即使在情况最好的时候，我也不喜欢法国菜。
It was named the best documentary of the year. 它被选为这一年最优秀的文献记录片。
The miners stayed out for the best part of a month. 矿工们持续罢工了近一个月之久。
He got the best of it in the contest. 他在比赛中得胜了。
Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
Discussion about the Solubility of Precipitate and the Best Concentration of Precipitator on Gravimetry 重量分析中沉淀溶解度及沉淀剂最佳浓度讨论
Jane is the best of all the students in her class. 珍是班中最好的学生。
Calculation Method about the Best Concentration of Precipitator on Weight Analysis Test 重量分析实验中沉淀剂最佳浓度的计算方法
Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。