Results 1 to 10 of about 128,137 (298)

Technical aspects of circulating tumor cells (CTC) isolation using molecular sieve [PDF]

Biuletyn Wojskowej Akademii Technicznej, 2017
The article presents the characteristics of circulating tumor cells (CTC) in the context of their enrichment. It presents the possibility of the use of molecular sieves in CTC isolation.
Paweł Pastuszka, Zdzisław Bogdanowicz, Artur Kowalik, Krzysztof Gruszczyński, Mariusz Łapiński   +4 more
doaj   +1 more source

Physicochemical Properties and Catalytic Behavior of the Molecular Sieve SSZ-70 [PDF]

, 2010
SSZ-70 is synthesized using 1,3-bis(isobutyl)imidazolium, 1,3-bis(cyclohexyl)imidazolium, and 1,3-bis(cycloheptyl)imidazolium structure directing agents (SDAs), and the solids obtained are characterized by powder X-ray diffraction (XRD), ^(29)Si magic ...
Archer, Raymond H., Burton, Allen W., Carpenter, John R., Chen, Cong-Yan, Davis, Mark E., Hwang, Son-Jong, Zones, Stacey I.   +6 more
core   +1 more source

Adsorption properties of environmentally friendly insulating medium C4F7N and its common decomposition products in NaA, NaZSM‐5, and NaX molecular sieves

High Voltage, 2023
Selecting suitable materials to adsorb the C4F7N mixtures decomposition products could not only keep the stable operation of the environmentally friendly insulating gas switch cabinet, but also ensure the safety of operation and maintenance personnel. It
Shuangshuang Tian, Zian Yuan, Xiaoxing Zhang, Yingxiang Wang, Weifeng Luo, Yang Liu   +5 more
doaj   +1 more source

Sieve Plate Pores in the Phloem and the Unknowns of Their Formation

Plants, 2019
Sieve pores of the sieve plates connect neighboring sieve elements to form the conducting sieve tubes of the phloem. Sieve pores are critical for phloem function.
Lothar Kalmbach, Ykä Helariutta
doaj   +1 more source

The catalytic performance of acid-modified Hβ molecular sieves for environmentally friendly acylation of 2-methylnaphthalene

Green Processing and Synthesis, 2022
2,6-Methylacylnaphthalene is an important organic chemical raw material, mainly used as a precursor for synthesizing polyethylene 2,6-naphthalene dicarboxylate (PEN).
Sun Jingjing, Zhang Nan, Jin Haibo, Mao Xuefeng, He Guangxiang, Li Junfang, Yan Zihao, Hu Fating, Ma Lei, Guo Xiaoyan, Yang Suohe   +10 more
doaj   +1 more source

Isotope (¹⁴C and ¹³C) analysis of deep peat CO₂ using a passive sampling technique [PDF]

, 2009
We developed and tested a new method to collect CO₂ from the surface to deep layers of a peatland for radiocarbon analysis. The method comprises two components: i) a probe equipped with a hydrophobic filter that allows entry of ...
Garnett, M.H., Hardie, S.M.L.
core   +1 more source

Sorption and activation of hydrocarbons by molecular sieves [PDF]

, 1997
Substantial progress has been made recently in the understanding of sorption and activation of alkanes. This progress reflects the emergence of new theoretical and experimental results, leading to a more quantitative picture of the elementary steps ...
Lercher, Johannes A., Seshan, Kulathuiyer   +1 more
core   +2 more sources

Preparation of NaA zeolite molecular sieve based on solid waste fly ash by high-speed dispersion homogenization-assisted alkali fusion-hydrothermal method and its performance of ammonia-nitrogen adsorption

Journal of Science: Advanced Materials and Devices
A high-speed dispersion homogenization-assisted alkali fusion-hydrothermal method was successfully developed for the preparation of NaA zeolite molecular sieve with excellent adsorption performance for ammonia nitrogen using solid waste fly ash.
Guoqing Liu, Yuxing Lin, Lili Zhang, Maowei Zhang, Cuncun Gu, Jing Li, Tucai Zheng, Jun Chai   +7 more
doaj   +1 more source

Sintesis dan Karakterisasi Titanium Silika Heksagonal Molecular Sieve

Jurnal Kimia dan Kemasan, 2015
Molecular sieve titanium silika heksagonal dapat digunakan untuk memurnikan larutan yang bersifat azeotrop dan sulit dilakukan menggunakan metode lain.
Hens Saputra, Ali Nurdin
doaj   +1 more source

Progress on Preparation of Desiccants Used in Refrigerant System

Zhileng xuebao, 2006
The desiccants such as silica gel,active alumina,active carbon,and molecular sieve,are employed to purify the contaminations in the refrigerant system.With the development of new refrigerants,the properties of desiccants need to be improved.Based on the ...
王鹏飞, 周永贤, 朱琳, 刘华, 徐静安   +4 more
doaj   +2 more sources