In this study,the preparation of 2,6-DIPN through the shape-selective isopropylation of refined naphthalene with propylene was processed in 0.
该文以精萘和丙烯为原料,以水汽脱铝氢型丝光沸石(SDHM)代替传统的傅-克催化剂,在0。
Based on the liquid emulsion membrane separation technique,refined naphthalene can be obtained from naphthalene oil using anionic surfactant.
本研究依据乳化液膜分离技术的原理,采用阴离子表面活性剂形成的乳化液膜从萘油直接制取精萘,考察了各种工艺条件对精萘产品质量和收率的影响。
Because of higher price and greater market demand of refined naphthalene,the plant was revamped to increase its production capacity.
概述了宝钢三期精萘装置生产情况,介绍了精萘装置扩能改造思路:在装置结晶系统增加了1组规格同原2组的结晶器,采用原有的结晶操作工艺参数,均匀分配3组结晶器的操作负荷。
Jining coal-chemistry corporation reforms the cooling tower for the production installation of thepurified naphthalene.
济宁煤化公司对精萘生产装置的冷却塔进行改造,将原波纹填料改为花环填料,并根据原料萘含量的不同,合理优化工艺参数,从而消除了精萘生产周期延时现象,降低了生产成本,提高了产品质量。
Neutral scouring with KDN-T02 compound pectinase;
复合果胶酶KDN-T02中性精练工艺
Application of bio-enzymes in scouring of cotton fabrics;
生物酶在棉织物精练加工中的应用
The writers expound the variety of enzyme, their characteristics and acting mechanism with focus on enzymatic degumming process of silk.
阐述了酶的种类及特性和作用机理,重点探讨了蚕丝的酶精练工艺。
In order to recycle sericin efficiently from degumming water in silk mill,according to the characteristic of the degumming water and the properties of sericin protein,we researched the possibility of recycling sericin by freezemethod,determined the technical process of freezemethod,and found out its better technical parameters.
为能高效的回收丝胶以降低丝绸厂精练废水的污染和提高工厂效益,根据精练废水的特点和丝胶蛋白质的性质,对采用冰冻法回收丝胶的可行性进行了实验研究,并对有关工艺参数进行了优化。
It is well-known that sericin is the main pollutant in degumming water of silk mill which is high and thick organic waste water.
众所周知,丝绸厂精练废水中含有大量的丝胶,属于高浓度有机废水。
Study on the Refining of Waste Silk Bisu Material with Ultrasonic and Conventional Method;
绢纺滞头类原料化学及超声波精练工艺探索
It ispointed out that refining is a key process to eliminate the difference ofcolour, and some measures are put forword.
这些沉淀物主要是在纺丝成形过程中产生的无机和有机物,指出精练是影响色泽不匀的关键工序,并提出了解决色泽不匀现象的几点措施。
Through comparing the ultrasonic refining effect with the traditional method for refining the waste silk frison material and studying on the feasibility of ultrasonic and the effect on the physicochemical property of the fiber,the reliable foundation was established that existing technique can be replaced by the ultrasonic method in the refining processes.
通过对超声波在绢纺长吐类原料中精练效果与传统工艺的比较,以及对超声波精练方法的可行性及超声波精练方法加工对纤维机械物理性能影响的研究,得到利用超声波精练代替现有加工工艺的可靠依据。
Study on Technical Conditions for Preparing 2,6-diisopropyl Naphthalene from Refined Naphthalene;
由精萘制备2,6-二异丙基萘的工艺条件研究
Effect of Mordenite Modified by Rare Earths on Isopropylation of Refined Naphthalene
稀土修饰丝光沸石对精萘异丙基化反应的影响
Studies on Separation and Purification of 2,6-Diisopropylnaphthalene;
2,6-二异丙基萘分离精制方法的研究
Study on the preparative procedure of inclusion compound of PND-HP-β-CD
咯萘啶-羟丙基-β-环糊精包合物的制备
Effects of spermine and NAA on adventitious root formation in excised cucumber cotyledons
精胺、萘乙酸对离体黄瓜子叶不定根形成的影响
Therapeutic effects of GALLE-DONAU treatment on patients with alcoholic liver disease
托尼萘酸片治疗酒精性肝病的临床疗效
γ-Cyclodextrin-Induced Photocyclodimerization of Alkyl 2-Naphthoate
γ-环糊精诱导的2-萘甲酸酯光二聚反应
Studies on Molecular Recognition for Small Organic Molecules by β-Cyclodextrin/naphthol
β-环糊精/萘酚对有机小分子识别作用研究
Theoretical Investigation of the Structural Properties of β-cyclodextrin-1-naphthol Complexes
1-萘酚-β-环糊精包合物结构的理论研究
A NEW PROCESS OF SEPARATING AND REFINING β-METHYLNAPHTHALENE FROM GAS ABSORBER OIL
从洗油中分离和精制β-甲基萘的新工艺
Investigation of Chiral Recognition of β-Cyclodextrin Toward 1,1′-Bi-2-Naphthol Enantiomers in the Presence of Different Alcohols by Fluorescence and HPLC
醇存在下R,S-1,1′-2-联萘酚对映体的环糊精手性识别研究
naphthalene-1,5-disulfonic acid
萘-1,5-二磺酸
Room Temperature Phosphorescence Induced by Cyclodextrin of Carbaryl、α-Bromonaphthalene in the Presence of Small Organic Molecule and Its Application;
有机小分子存在下,环糊精诱导西维因、α-溴代萘室温磷光及其分析应用
Technical naphthalene
GB/T6700-1986工业萘
naphthionic acid
4-氨基-1-萘磺酸
2-hydroxy-3-naphthoic acid
2-羟基-3-萘甲酸
naphtyl formate
甲酸十氢-β-萘酯
2-naphthylamine-1-sulfonic acid
2-萘胺-1-磺酸