查询词典 chlorine group

The low concentration of chlorine dioxide in water was determined by spectrophotometry according to the characteristic of decoloration of thymol blue by using chlorine dioxide as oxidant in this paper.

根据二氧化氯可氧化百里香酚兰使其褪色的特性，可用示差分光光度法测定水中低浓度二氧化氯的含量。

Results: The critical oceupational risk factors existing in the workshops were sulfureted hydrogen, ammonia, formaldehyde, chlorine hydride, chlorine, trimethylamine, heat stress and noise.

结果：杭州市污水处理厂危害严重的职业病危害因素是硫化氢、氨、甲醛、氯化氢、氯、三甲胺、高温和噪声。

In order to study the migration and removal characteristics of fluorine and chlorine in Guizhou Shuicheng coal,regressive release flotation and float-sink tests were carried out,during which the fluorine and chlorine content in the washed coal products analyzed,while the washability of original coal samples assessed.

通过分步释放试验和浮沉试验对贵州水城煤样进行洗选，得到不同的洗选产品，并进行了可选性评定。对不同产品中氟和氯的含量进行分析，研究了洗选过程中氟和氯的迁移和脱除特性。

The safe concentration of Anodonta woodiana woodiana were: the available chlorine of bleaching powder of 95.25~108.86 mg/L, the available chlorine of trichloroisocyanuric acid powder of 3.32~3.55 mg/L.

试验得出漂白粉作用下，背角无齿蚌24h、48h、72h、96h、120h、144h、168h的半致死率；氯杀宁作用下，背角无齿蚌24h、48h、72h、96h的半致死率；漂白粉有效氯安全浓度95.25~108.86mg/L；氯杀宁有效氯安全浓度3.32~3.55mg/L。

The principles and process flow, and characteristics of process of carburator, liquid chlorine canned-motor pump, submerged pump and liquid chlorine magnetic pump were introduced.

介绍了气化器、液氯屏蔽泵、液氯液下泵、液氯磁力泵的工作原理和工艺流程、工艺特点，并指出了它们的优点和缺点。

The aqueous chlorine dioxide solution produced is substantially free of chlorous acid and preferably is free of other by-products such as sodium chloride and free chlorine.

生产出的含水二氧化氯溶液基本上无亚氯酸，并优选地无其他副产物如氯化钠和游离的氯。

A part of the flat fibers remained on the sheet surface and the interspace among the fibers became narrow after chlorine dioxide bleaching. The fibers of bagasse and bamboo unbleached pulps were rough, the fiber surface was smooth, and the fiber structure was dense. After oxygen delignification and chlorine dioxide bleaching, the fibers became much more thin, the fiber surface was slightly fibrillated, and the fiber structure was loosen.

经氧脱木素后，纸页表面细小纤维明显减少，纤维间空隙较多，而经二氧化氯漂白后的纸页表面保留了一部分形态扁平的纤维，纤维间空隙相对较少；蔗渣和竹子未漂浆纤维较粗，纤维表面光滑，结构密实，而经氧脱木素和二氧化氯漂白后，纤维明显变细，纤维表面轻微帚化，结构较疏松。

By adding a few drops of dimethyl sulfoxide to mask the chlorine effectively,the concentration of chlorine dioxide was determined by general iodometric method.

按通常的碘量法可测定体系的总有效氯(ClO2+Cl2)；向体系中加入一定量的掩蔽剂二甲亚砜后可有效地掩敝体系中的Cl2，进而可测定体系中的ClO2。

In recent years, the frequency of chlorine leakage or explosion accidents is going on rising, for the sake of solving this problem, the chlorine leakage accident of Jiangxi Lipin chemical plant is chosen as an example.

针对国内近年来氯气泄漏、爆炸事故频发的现状，选择其中具有典型性的江西某厂氯气泄漏事故，运用因果分析方法对其事故原因进行系统分析，根据分析结果，以降低事故发生概率和严重度为目标，从管理角度提出预防对策。

The effects of chlorine dioxide dosage and reaction time on the acute toxicity and genotoxicity of wastewater after chlorine dioxide disinfection were studied using photobacterium bioassay and umu test.

采用发光细菌试验和umu试验，分别考察了二氧化氯投加量和反应时间对污水二氧化氯消毒后急性毒性和遗传毒性变化的影响。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48