dichloromethane

1. When hexane is mixed with equal volume acetone, the yield decreases sharply, which is the same as cyclo hexane mixed with dichloromethane.
   非极性溶剂正已烷和等体积性溶剂丙酮混合后，提取率有明显下降。
2. Orthogonal experiment of extraction of scutellarin acid with microwave or Soxhlet's extractor Pulps& Determination of dichloromethane soluble matter
   微波与索氏提取野黄芩苷的正交实验比较GB/T7979-1987纸浆二氯甲烷抽提物的测定法
3. Research and Development of High Temperature Air Generator and Design of High Temperature Air Gasifier; High temperature oxidation of dichloromethane in air
   高温空气发生器试验研制与高温空气气化器设计
4. Pulps& Determination of dichloromethane soluble matter
   GB/T7979-1987纸浆二氯甲烷抽提物的测定法
5. Utilize DSC technology for studying on plasticizing or coagulating degree of RPVC-U, supplement dichloromethane resistance testing.
   应用差示扫描量热法（DSC）技术研究了RPVC管材的塑化度或凝胶化度，并辅以二氯甲烷浸渍试验。
6. Note. ( 1) The dichloromethane is distilled from phosphorus pentoxide and stored over molecular sieves.
   注意事项（1）二氯甲烷加入五氧化二磷蒸馏，加入分子筛储存。
7. Ring opening reaction of2,3-epoxy ketones with nitric oxide in dichloromethane occurred in a syn-selective fashion, producing syn-2-hydroxy nitrates as main products.
   在二氯甲烷溶液中，一氧化氮导致2，3-环氧酮发生顺式开环反应，生成的顺式羟基硝酸酯化合物为主要产物。
8. The application of solid base in drying recovered dichloromethane was introduced.
   介绍了固碱吸附除水在二氯甲烷回收中的应用情况。
9. Analysis of Chemical Components of Dichloromethane Extractives from Moso Bamboos of Different Ages
   不同竹龄毛竹二氯甲烷提取物化学组成分析
10. Mannich reaction of acetylferrocene using dichloromethane as solvent
    以二氯甲烷为溶剂对乙酰基二茂铁Mannich反应的研究
11. The flux of dichloromethane and 1,2-dichloroethane along an elevational gradient of a coastal salt marsh, East China Characteristics and Prospect of Microorganism in Coastline Halophytic Vegetation
    苏北海岸带盐沼二氯甲烷和1,2-二氯乙烷通量沿高程梯度的变化特征潮间带盐生植物生境微生物药用前景
12. Dichloromethane was used as extracting agent for the extraction, and then vacuum rotatory evaporator was used for the concentration.
    以二氯甲烷为萃取剂对茅台迎宾酒中的微量成分进行了萃取，然后用真空旋转蒸发器将其浓缩。
13. Objective To establish a method for detection of dichloromethane, 1,2-dimethoxyethane, toluene, ethyl acetate and ethanol in bromfenac sodium.
    目的建立溴芬酸钠原料中二氯甲烷、甲苯、1，2-二甲氧基乙烷、乙酸乙酯、乙醇残留量测定方法。
14. A method of TCL was developed to determine sulfonamides residues in chicken, Sulfonamides were extracted from tissues by dichloromethane and distilled to dry.
    建立了鸡肉中磺胺类药物（磺胺二甲氧嘧啶、磺胺二甲基嘧啶、磺胺喹口恶啉）多残留检测的薄层色谱法。
15. Objective To study the influences of dichloromethane extraction from crude and processed Cornus Officinalis on bone marrow cells of aging mice induced by D-galactose.
    目的研究山茱萸生、制品二氯甲烷萃取部位对D-半乳糖致衰小鼠骨髓细胞的影响。
16. The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent.
    用中性氧化铝柱层析法对粗产物进行分离提纯，用含一定量吡啶的二氯甲烷溶液作为洗脱剂。
17. Studies on Oxidation Behavior and Properties of Surface Oxide Film of Aluminum in High-Temperature Water Vapor; High temperature oxidation of dichloromethane in air
    铝在高温水蒸汽中氧化行为及表面氧化膜性能的研究空气气氛中二氯甲烷的高温氧化特性
18. The primary composition of mobile phase was ( hexane/ ethanol) or hexane/ isopropanol. Then the tetrahydrofuran ( THF) or dichloromethane was added into such mobile phase and the effects of content of THF and dichloromethane on the separation were investigated.
    分别往正己烷/乙醇或正己烷/异丙醇中添加四氢呋喃和二氯甲烷，系统地考察了四氢呋喃和二氯甲烷的含量对安息香外消旋体拆分的影响。
19. The eluents applied in sequence were benzene, dichloromethane, 1 ∶ 1 dichloromethane methanol and methanol.
    所用的流动相及洗脱顺序：苯、二氯甲烷、甲醇二氯甲烷（1∶1体积比）、甲醇。
20. TNZ in plasma and muscle tissues extracted with dichloromethane.
    用二氯甲烷萃取血浆和肌肉中TNZ。
21. The process conditions are studied for the synthesis of o-nitro-p-cresol using p-cresol and nitric acid in dichloromethane. The effects of reaction time, temperature, degree of dispersion and concentration of nitric acid were optimized. The yield is up to 82.3%.
    考察了用对甲酚和硝酸在二氯甲烷中合成邻硝基对甲酚的工艺条件，对影响反应的因素，如分散度、反应时间、反应温度、硝酸浓度等进行了优选，产率达到了82.3%。
22. The egg samples were extracted with dichloromethane. Plasmids were extracted by alkali with lysozyme.
    鸡蛋经二氯甲烷提取，用固相萃取柱净化处理后上机检测。碱变性加溶菌酶法对标本进行质粒抽提。
23. METHODS: Acidified samples of plasma were deproteinated with acetonitrile, washed with dichloromethane and the resulting supernatant injected.
    方法：乙腈作为蛋白沉淀剂，除去酸化血浆样品中的蛋白，二氯甲烷进一步去杂质后，取上清液进样。
24. The experimental results showed that dichloromethane and 1,2-dichloroethane could inhibit the growth of the algae obviously.
    结果表明，二氯甲烷和1,2-二氯乙烷对蛋白核小球藻生长有明显的抑制作用。
25. The detection of residual solvents showed that dichloromethane and acetonitrile were both up to specification.
    本品残留溶剂检测中，二氯甲烷、乙腈均符合规定。
26. These complexes are soluble in chloroform, dichloromethane, toluene, xylene and other common organic solvents.
    该系列酞菁化合物易溶于氯仿、二氯甲烷、甲苯、二甲苯等常见有机溶剂。
27. They were inclined to exist in single molecules in chloroform and dichloromethane, but form H-aggregates in ethanol and ethyl ether.
    在氯仿和二氯甲烷中以单分子形式存在，而在乙醇和乙醚中更容易采取聚集的形式。
28. Their absorption and photoluminescence in dichloromethane were studied.
    测定了它们在二氯甲烷溶液中的紫外吸收光谱和荧光光谱。
29. The activity and stability of all catalysts were evaluated in a fixed-bed reactor for catalytic combustion of chlorobenzene ( CB) and dichloromethane ( DCM). And the reaction mechanism was also discussed.
    以氯苯（CB）和二氯甲烷（DCM）为模型反应物，在固定床反应器中评价了催化剂的催化活性及稳定性，并初步探讨了催化燃烧的反应机理。

noun

1. a nonflammable liquid used as a solvent and paint remover and refrigerant

   Synonym:    methylene chloride