硅钼黄光度法测定水中可溶性二氧化硅时，二氧化硅贮备液应贮于玻璃瓶中，并标准分析法校核其准确度。_环境监测上岗考试_全学科试题题库

当前学科：环境监测上岗考试

题目：判断题
硅钼黄光度法测定水中可溶性二氧化硅时，二氧化硅贮备液应贮于玻璃瓶中，并标准分析法校核其准确度。
答案： <查看本题扣1积分>

查看答案

答案不对？请尝试站内搜索

推荐知识点:

溶血性贫血在溶血发作期，网织红细胞计数为（）

叙述静息电位产生的机理。

部分回流压力溶气气浮回流量的调整与（）无关。

在成熟的服务业中较多地被采用的是( )A．许可证模式B．特许经营模式C．管理合同模式D．合同制造模式

人民法院审理下列第一审行政案件，认为事实清楚、权利义务关系明确、争议不大的，可以适用简易程序()。

胃体萎缩性胃炎()十二指肠壶腹部溃疡()胃泌素瘤()

1934年，戈夫曼(I.Goffman)首先运用角色的概念来说明个体在社会舞台上的身份及其行为。()

哪项不是脊髓灰质炎的病变特点（）。

Im a 43-year-old mother of three young kids with a Master of Science degree. I also【C1】______pizzas for a living. I started doing it after【C2】______home with my children for four years. Caring for your kids all day is a【C3】______opportunity for many women, but it wasnt right for me. I began suffering from【C4】______and decided to get a job so Id have more of my own identity. Now I work nights when my husband is home so we dont have to【C5】______child care. After I learned the basics of pizza delivery—like getting the【C6】______together and not getting lost—I began my new "career" . Being【C7】______and organized by nature, 1 studied the tipping patterns of the town. Our community had a small, expensive liberal-arts【C8】______full of students who ordered lots of pizzas. Most of the kids were friendly and polite.【C9】______Friday and Saturday nights, some of the dorms had huge parties.【C10】______the stairs were sticky from beer and the music was so loud they couldnt【C11】______me knock on the door, the crowds of happy students shouting, "Pizza! Pizza!" always let me through. The first few days of each month, one of us drivers would take【C12】______turn covering the public-housing developments. These customers did not always tip well,【C13】______I always liked seeing the children and adults sitting outside and【C14】______the evenings when the weather was nice. I also deliver to multimillion dollar homes now, but the【C15】______I make in tips has stayed the same. As I【C16】______to these beautiful houses, its easy to fantasize about a【C17】______tip. The person who answers the door always【C18】______young and, like the members of my own family,【C19】______educated. All I usually get is a brief "Thank you" and a dollar or two. People might say Im crazy to waste my education, but I have【C20】______most of them dont: a job I love.【C1】A．buyB．waitC．turnD．deliver

可靠性试验共有三项：全速全负荷，超速超负荷及（）。