btx

Study on Pollution Status and Change Rule of BTX in Suzhou City

苏州市区BTX污染现状及变化规律

Analysis of Characteristics and Human Exposure of BTX Pollution in Ambient Air in Winter

冬季大气中苯系物污染特征及人体暴露水平分析

Simulation Study on Heat Integration of BTX Distillation

芳烃热集成精馏的模拟研究

Conclusion The concentration of BTX is higher when traffic jammed .

结论大气中苯系物浓度与车流量及路况有关，车流量较大尤其是道路堵塞时，苯系物浓度较高。

Exhaust of machine and gasoline volatilization is main origin of BTX pollution .

机动车排气及汽油挥发是BTX污染的主要来源。

Research on Preparation of Composite Microorganism Agent and Its High-Efficiency Microbial Strains Degrading Btx

降解BTX的复合微生物菌剂制备及高效降解菌的研究

Preparation of BTX degrading composite microorganism agent

降解三苯类复合微生物菌剂的制备及性能

The degradation mechanism of BTX by UV / ferrioxalate / H2O2 was also analysed .

并分析了UV/草酸铁/H2O2法降解苯系物的反应历程。

Factors affecting treatment of BTX waste-gas in bio-trickling filter

生物滴滤塔处理三苯废气的影响因素研究

Studies on the Production and Flocculation Characteristics of Complex Bioflocculant ; Preparation of BTX degrading composite microorganism agent

复合型微生物絮凝剂制备及絮凝性能的研究

Degradation of BTX by UV / Ferrioxalate / H_2O_2 Process

UV/草酸铁/H2O2法降解苯系物的研究

Tenax TA adsorption / thermal desorption / capillary gas chromatography for monitoring BTX in the ambient air

TENAXTA吸附/二次热解吸/毛细管气相色谱法测定环境空气中苯系物的方法

I am told that BTX is expensive and has to be given every three months as it is effective for three months only .

告诉我的BTX非常昂贵，而且也可以获得每三个月，因为它是有效的只用三个月。

Conclusion BTX - A intramuscular injection with rehabilitation cure offers better treatment results to sufferers of spastic foot drop .

结论BTX－A肌肉注射配合康复治疗对痉挛性足下垂患者有较好的治疗效果。

ANALYSIS OF LARGE-SCALE EXTRACTION EQUIPMENTS IMPORTED (ⅰ) & Macro-Hole Sieve Tray Used in BTX Extraction with Sulfolane

国外引进大型萃取设备剖析（一）&环丁砜芳烃抽提大孔筛板塔

The pilot tests have been completed successfully . The one-pass yield of BTX has reached 36 % - 50 % .

成功地进行了中型试验，BTX单程收率可达36%～50%。

In this paper , a study of light alkane of oil field as raw materials , production process of light alkane aromatization catalysis BTX aromatics was discussed .

本文主要研究了以油田低碳烷烃为原料，通过低碳烷烃芳构化催化反应生产芳烃BTX的工艺过程。

The profitability , prices , supply and demand situation of ethylene , BTX and styrene from 2000-to-2010 in the world are forecasted .

预测了世界乙烯、三苯（苯、甲苯、二甲苯）及苯乙烯2000～2010年的盈利性、价格及供需形势。

The distillate oil from coal liquefaction is the most suitable for production of high octane number gasoline , high quality jet fule and BTX reforming feedstock .

煤直接液化的馏分油最适宜生产高辛烷值汽油、优质喷气燃料和催化重整制取芳烃原料油。

The Synthesis of the Biodegradable Poly ( lactic acid-co-aspartic acid ) Research on Preparation of Composite Microorganism Agent and Its High-Efficiency Microbial Strains Degrading Btx

聚乳酸-天冬氨酸生物降解材料的合成降解BTX的复合微生物菌剂制备及高效降解菌的研究

At 500 ~ 550 ℃, as reaction temperature increases , liquid yield and aromatic yield increase , aromatic selectivity changes little , and with comparatively great fluctuation in BTX yield .

反应温度在500～550℃时，随着反应温度增加，液体收率和芳烃收率随之增加，对芳烃选择性影响不大，BTX收率幅度波动较大。

Technology Progress of producing BTX aromatics from heavy fraction of pyrolysis gasoline and correlative hydrodealkylation and non-aromatics hydrocracking techniques were reviewed in this paper .

综述了裂解汽油重质馏分增产BTX芳烃的技术进展以及与此相关的加氢脱烷基和非芳烃加氢裂解技术。

Researching the influence of the metal load , atomic ratio of cobalt and molybdenum and the calcination temperature on the activity of the catalyst and the retention rate of BTX .

考察活性组分负载量、钻钼原子比、焙烧温度等因素对催化剂活性和反应产物三苯保留率的影响。

Objective To investigate the use of botulinum toxin ( BTX ) A in the treatment of palatal myoclonus objective tinnitus ( PMOT ) .

目的探讨肉毒毒素A对腭肌阵挛源性耳鸣的治疗作用。

Objective : To investigate the efficacy and safety of botulinum toxin type A ( BTX A ) by local injection in treating hemifacial spasm and cranial cervical dystonia .

目的：探讨如何规范化应用A型肉毒毒素（BTXA）局部注射治疗面肌痉挛、各型头颈部的肌张力障碍，以提高其临床疗效和安全性。

A new solid phase microextraction ( SPME ) fiber coated with activated charcoal was estimated by determination of benzene , toluene and xylene ( BTX ) in indoor air .

对研制的活性炭涂层固相微萃取进样器进行了评价。

After selective hydrotreating , the DCC naphtha can either be used as a high octane component in gasoline pool or be used as feedstock to produce BTX with aromatics extraction .

DCC汽油可以经选择性加氢改善其安定性，生产高辛烷值汽油调合组分；DCC汽油经加氢精制后还可作为生产芳烃的抽提原料。

Method injection of BTX - A at different points into the back muscle group of shanks of 34 sufferers of spastic foot drop ; rehabilitation cure should be given before and after the injection .

方法对34例痉挛性足下垂患者小腿后部肌群分点注射BTX－A，注射前后分别给以康复治疗。

The results of experiments show that removal loading of biofilter was increased along with the loading of BTX , the higher of entry loading the removal loading line are farer of 100 % removal line .

实验研究结果表明，滤塔填料的去除负荷随入口污染物负荷的增加而增加，入口污染物负荷越高，污染物去除负荷越偏离100%去除线。

In addition , where traditional titanium dioxide extrudates typically used for CS2 conversion are rapidly deactivated by the BTX carried over from the reaction furnace , this catalyst maintains CS2 conversion capability .

另外，当用于CS2转化时，传统的二氧化钛挤出条会因反应炉来的BTX而失活，而DD-931催化剂则可保持CS2的转化能力。