chloroform的例句大全

Studies on the toxicities and occupational exposure limit of chloroform

氯仿的毒性及车间卫生标准研究

Methods The Bulbus Fritillariae medicinal materials were dipped in 18% ammonia solution, then the alkaloids were extracted by ultrasonic using the mixed solvent of ether-chloroform-ethanol ( 25 ∶ 8 ∶ 2.5).

方法用18%氨水润湿贝母药材，乙醚-氯仿-乙醇（25∶8∶2.5）混合溶剂超声提取其中贝母生物碱，将提取物直接进样到电喷雾离子阱质谱检测器进行正离子全扫描分析。

Influence of main parameters on forming chloroform in drinking water

影响饮水中氯仿含量的主要因素

Clinical Manifestations and Diagnostic Analysis of 36 Patients with Chloroform Poisoning

氯仿中毒36例临床表现与诊断分析

Methods The left and right common iliac artery were perfused with the ABS acetone solution and the red canvas paint chloroform solution, respectively, and then dissected under stereomicroscope.

方法用ABS丙酮溶液、大红油画颜料氯仿溶液，分别进行左、右侧髂总动脉灌注，实体镜下解剖。

MATERIAL AND METHODS: Betulin was isolated from dry powder of the bark of silver birch ( Betula platyphylla Suk) by using ethanol circumfluence, decompress concentration and methanol-chloroform recrystallization.

材料与方法取一定量的白桦树皮干粉，通过乙醇回流，减压浓缩和甲醇-氯仿重结晶等步骤获得白桦酯醇纯品。

METHODS The sample was extracted with aether and dissolved with chloroform.

方法样品用乙醚提取，氯仿溶解定容；

After handled with petroleum aether and chloroform, the article purity has raised 9.68%.

粗提物经石油醚、氯仿处理后，纯度提高了9.68%。

Study on Gas Solubility in Chloroform Preparation Reaction System over Catalytic Hydrogenation

四氯化碳催化加氢制氯仿反应中气体溶解度研究

The improved ammonium acetate extraction method has good qualities of simple, economical, non-toxic and so on; when it compared with phenol/ chloroform extraction method and Chelex-100 extraction method, its DNA extracted get higher purity and amount; it is suitable for micro-samples. 2.

结论1、改良醋酸铵盐析法具有简单、经济、无毒等优点；与酚／氯仿法、Chelex-100法相比，提取基因组DNA的量更大、质量更好，适合微量检材DNA的提取。

the extracts of girardinia palmate ( forssk.) with chloroform and ethyl acetate had high adjust mortality ratio, above 80%.

大蝎子草氯仿、乙酸乙酯提取物对柑桔全爪螨的校正死亡率均在80%以上。

The eight VOCs were acetophenone, phenol, benzotrichloride, 1, 3-butadiene, chlorobenzene, methanol, methyl chloroform and methylene chloride. They were mixed together with very low concentrations.

所测定的八种VOCs为苯乙酮，苯酚，三氯甲苯，1,3丁二烯，氯苯，甲醇，三氯代乙烷和二氯甲烷。对氯仿敏感；

When chloroform was used as solvent and the concentration was 65wt%, the handedness of the two helicoidal structures was left handed ( positive Cotton effect), but when dioxane or THF was used with the same concentration, a reversed handedness was observed.

以氯仿为溶剂（固定浓度为65%）时两种螺旋结构均为左旋（正Cotton效应），但二氧六环和四氢呋喃为溶剂时均变为右旋（负Cotton效应）。

methods human mandibular premolars with single, straight canals were obturated with lateral condensed technique and chloroform-softened technique.

方法选取40个下颌单根管前磨牙作为研究对象，A组20个采用侧方加压技术进行充填，B组20个采用氯仿软化牙胶尖充填技术。

Extract Human DNA from Maggot Crop Contents by Phenol-chloroform Method Coupled with Paramagnetic Particle Method

运用酚-氯仿法结合磁珠法提取蝇蛆体内人类DNA

IPV ZJ 971 isolate was sensitive to heat ( 56 ℃), acide ( pH3) alkaline ( pH12), chloroform and ether, and insensitive to freezing and melting, and trypsin.

ZJ971毒株对热（56℃）、酸（pH3）、碱（pH12）、乙醚和氯仿敏感，对反复冻融、胰酶不敏感。

The fluorescence parameters of the chloroform extract and petroleum ether extract of two groups of vitrinoid of somewhat similar coalification are studied.

作者研究了煤化度相近的两组煤镜质组氯仿抽出物及其石油醚抽出物的萤光参数。

Safety evaluation of Q fever vaccine of Coxiella burnetii treated with Chloroform-methanol

氯仿-甲醇提取贝氏柯克斯体组分Q热疫苗的安全性评价

Use chloroform, petroleum ether and absolute alcohol as extract, and set out the extractive with UV spectrum.

方法：用氯仿、石油醚、无水乙醇三种常用溶剂做提取液，提取物用紫外光谱法测定。

Growth of Comb-Like Coordination Polymer Micro-/ Nanocrystals at the Water-Chloroform Interface

液-液界面反应组装梳状配位聚合物微/纳米晶