Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Partial molar densities of oxides in natural silicate melts can be estimated to useful precision by exploiting their strong correlation with densities of the corresponding solid oxides, reflecting the close structural similarity between silicate solids and silicate melts. Using this extrapolation method, partial molar…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMethane Elimination During Silation of Partially Dehydroxylated .gamma.-AluminaStefan V. Slavov, Karl T. Chuang, and Alan R. SangerCite this: Langmuir 1995, 11, 10, 3607–3609Publication Date (Print):October 1, 1995Publication History Published online1 May 2002Published iniss…
Four Si‐based ceramics—siliconized SiC (Si‐SiC), sintered α‐SiC, and two grades of SiC‐particulate‐reinforced A1 2 O 3 —were exposed to a typical western coal ash with high calcium content (Wyodak) and a typical eastern coal ash rich in iron (Illinois #6) at two temperatures for 300 h in a muffle furnace. After exposu…
An upgraded version of a metal hydride based clean-up systema for tritium gloveboxes has been recently designed. An earlier version of a prototypical, recirculating system has been under evaluation in tritium service at OHT for nearly 2 years. A metal getter alloy, Zr2Fe, is used to remove tritium and trace impurities…
Other| October 01, 1995 Reederite-(Y), a new sodium rare-earth carbonate mineral with a unique fluorosulfate anion Joel D. Grice; Joel D. Grice Canadian Museum of Nature, Research Division, Ottawa, ON, Canada Search for other works by this author on: GSW Google Scholar Robert A. Gault; Robert A. Gault Search for other…
An “in-bed accountability” (IBA) flowing gas calorimetric measurement method has been developed and implemented to eliminate the need to remove tritium from production scale metal hydride storage beds for inventory measurement purposes. Six-point tritium IBA calibration curves have been completed for two, 390 gram tri…
Abstract The synthesis and properties of the new (dithiolato)titanocene complexes 4a‐d, 6, 9 are described. The ligands of these complexes are derived from sodium benzenehexathiolate or 3,4,7,8‐tetrachloronaphthobis[1,2]dithiole. Complexes with one, two and three (dithiolato)titanocene units were prepared by use of th…
The design and operation of a new research furnace, optimized for small-angle neutron scattering experiments at a steady-state nuclear reactor with a cold source, are presented. The apparatus enables the study of thermal processing of materials, such as the sintering behavior in ceramics, through the measurement of th…
A precise hydrogen permeation experiment for beryllium was conducted at a temperature ranging from 735 to 1000 K under hydrogen gas pressure of 101 to 103 Pa. Diffusion coefficient and permeation coefficient were determined from the steady state penneation and time transient penneation independently. The steady state…
The mass and velocity distributions of neutral species, ejected from a laser-ablated 6H-SiC target, are measured by time-of-flight mass spectroscopy. The laser-generated plume is shown to consist of atomic silicon and carbon and small neutral clusters. Measured values of the mean kinetic energies of neutral Si and SiC…
Niobium oxide electrochromic thin films were prepared by reactive DC magnetron sputtering method. Electrochromic properties of prepared films strongly depended on the substrate temperature during sputtering. The sample with a substrate temperature of 500° C was well crystallized and showed excellent electrochromism. I…
Abstract Blends of poly(butylene terephthalate) (PBT) with three different thermotropic liquid crystalline polyesters (TLCPs) were prepared. The first TLCP (HBH‐6) consists of diad aromaticester type mesogenic units and the hexamethylene spacers along the main chain, and the second (TB‐S6) is a wholly aromatic polyest…
Abstract Investigation of the Raman spectra of the molten MgCl 2 ‐KCl system by the use of factor analysis indicates that the melt is a two‐component system involving equilibrium between MgCl and Mg 2 Cl . The pure Raman spectra corresponding to these two species are recovered from the broad features via a self‐modeli…
The measurements of linear expansion and remanent polarization have been performed for polycrystalline samples of Ba(Ti1−x ,Sn x )O3, (BTS-x. x = O, 0.05. 0.10, 0.20). The results obtained from the dilatometric investigations confirm the existence of the dipolar polarization Pd below 620 K, which has been previously o…
Abstract The uniformity of films and their surface roughness are of great importance in applications involving information recording (videotapes etc.). These properties of polymers processed with such film production techniques as tenter frame operations are not well understood. To understand the relationships between…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA Heterocyclic Polymer with Thermally Stable Second-Order Optical NonlinearityZhiyong Liang, Larry R. Dalton, Sean M. Garner, Srinath Kalluri, Antao Chen, and William H. SteierCite this: Chem. Mater. 1995, 7, 10, 1756–1758Publication Date (Print):October 1, 1995Publication H…
Abstract The thermal degradation of the first six members of poly(mono‐n‐alkyl itaconates) by thermogravimetry (TG), differential scanning calorimetry (DSC), Fourier Transform infrared (FTIR) and FTIR evolved gas analysis (FTIR‐EGA) was studied. The degradation mechanism involves cyclic anhydride formation followed by…
Anions can be adsorbed to soil colloids by specific (inner-sphere complexation) and nonspecific adsorption (outer-sphere complexation and diffuse ion association). The mechanism for anion adsorption determines whether and by what reaction anions in soil solution will enhance metal adsorption. The objectives of this st…
A review of plasma treatments of textiles is presented. The utility of plasma technology in processing textiles and the corresponding changes brought about in textile properties are discussed. The initiative, funded by the National Tex tile Center, and its progress to date is presented. This program features the use o…
Platelet concentrates (PCs), stored for 5 days in PL 2209, a new polyvinyl chloride (PVC) storage container plasticised with butyryl trihexyl citrate, were compared with those stored in PL 1240, a PVC platelet container plasticised with triethylhexyl trimellitate. In part 1 of the study, pooled platelet-rich plasma (P…