precursor造句
(121) Thus, the elements would be interconvertible, so this idea was a precursor to alchemy.
(122) The paper describes that new type inject steam technology can reduce coke precursor, resulting in operation rate of cracking furnace over 96.8 % .
(123) As the precursor of ancient glasses, faience and frit have different chemical compositions and structures from true ancient glasses.
(124) The dissertation sets up the data model of the precursor core of the pressure valve, analyzes its dynamic response performance under hydraulic impact, proves its good response characteristic.
(125) Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.
(126) Impatience is often a precursor to self-punishment, so stop way before the red light hits.
(127) Exogenously supplied aspartate is not an active precursor of asparagine in plant tissurs.
(128) Allene oxide cyclase (AOC) catalyzes the stereospecific cyclization of an unstable allene oxide to (9S, 13S)-12-oxo-(10,15Z)-phytodienoic acid, which is the precursor next to jasmonic acid.
(129) Cyanide can serve as precursor for the amide nitrogen of asparagine.
(130) The sulfidation performance of iron oxide prepared from various precursors was investigated, and the ferric nitrate with better sulfidation performance was chosen as precursor of active component.
(131) The structure and thermal decomposition of carboxylate precursor gel were investigated by infrared spectroscopy and thermogravimetry.
(132) Monodispersed NiO precursor particles were prepared by homogeneous precipitation from nickel nitrate solution in the presence of urea.
(133) And the reaction mechanism is derived from analysis of the vibration frequency of the precursor complex, transition state, successor complex and the isolated state.
(134) Here and elsewhere, "Let the Great World Spin" can feel like a precursor to another novel of colliding cultures: "The Bonfire of the Vanities," Tom Wolfe's classic portrait of New York in the 1980s.
(135) Aim:To explore the early phase change of oligodendrocyte precursor cells in the brain of epileptic rats induced by chloride lithium-pilocarpine.
(136) WO3 precursor solution was prepared by Sol-gel method. The films were printed by dip-coating method.
(137) Recent studies implicated expression of cyclooxygenase 2 (COX-2) as a marker to identify precursor cells for breast cancer.
(138) Some safeguarding and management methods for SQL database of seismologic precursor network of Anhui Province are introduced in detail.
(139) Precursor filaments such as acrylic or cellulose ( mainly rayon ) are carbonized at high temperature.
(140) The first stage in the process leading to such diversity is for the HSCs to become the precursor cells called multipotent progenitor (MPPs) cells.
(141) It was the precursor to the land - contract system that the government later enacted.
(142) It is a precursor of many aromatic compounds and of alkaloids such as curare and morphine.
(143) The crystallinity of wet-spinning PAN precursor fibers gradually reduces during preoxidation process, while it gradually increases during carbonization process.
(144) Objective: To study effect of Laurate alcohol ester phenylacetate as precursor on thallus itself and fermentation unit in penicillin fermentation process.
(145) Ultrafine alumina powders were prepared by pyrolysis of the aluminium precursor powders obtained by precipitation method using aluminium nitrate and ammonium carbonate as raw materials.
(146) In this paper has been analyzed the formation mechanism of the anomalies of deformation, gravity and geomagnetism,[http:///precursor.html] and the difference of field precursor and source precursor as well.
(147) Indolyl glucosinolates can be hydrolyzed by myrosinase into IAN, which is the precursor of IAA. Thus, indolyl glucosinolate may participate in regulating active IAA levels in cruciferous plants.
(148) The effects of orthophosphoric acid concentration in precursor preparation with n pentanol as reductive agent on vanadium catalyst behavior were studied.
(149) According to the present situation and development needs of domestic carbon fiber industry, a new type of production line control system for carbon fiber precursor was developed in this paper.
(150) A hormone produced by the anterior pituitary gland that promotes the utilization of fat by the body and is a precursor to the endorphins.
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