Synonym: forerunner, harbinger, herald. Similar words: cursor, recur, recurrent, secure, sinecure, security, recuse, excursion. Meaning: [‚prɪ'kɜrsə(r) /-'kɜːs-] n. 1. a substance from which another substance is formed (especially by a metabolic reaction) 2. a person who goes before or announces the coming of another 3. an indication of the approach of something or someone.
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(151) Conclusions The results suggested that the genesis of nephroblastoma is relevant to the retarded differentiation of fetal kidney. NR is the precursor lesion of nephroblastoma.
(152) The simian virus, known as S.I.V.cpz, is considered the precursor of H.I.V.-1, which crossed the species barrier sometime in the past 100 years.
(153) The results agree with previous studies that have analyzed single photons whose precursor and main wave form have not been separated, which have reported an oscillatory structure.
(154) Furthermore, the multi-functional trimer of N-(11-carboxyundecyl) maleimide was prepared via trimerization of the precursor in the presence of triphenylphosphine and phenol.
(155) Objective To investigate the dynamic expression of pepsinogen C (PGC) and its value in detection of precursor and gastric cancer.
(156) In fact, the new yeast strain simultaneously converts cellobiose (a precursor of glucose) and xylose to ethanol just as quickly as it can ferment either sugar alone.
(157) Violent growing pains are just a precursor to Earths internal struggle to define itself.
(158) This a precursor to what we call fluid group dynamics.
(159) MoO 3 ultrafine powders were prepared by using ( NH 4 ) 6 Mo 7 O 24·4 H 2 O and HAc as precursor.
(160) The humic acid was dosed as the precursor of trihalomethanes(THM) and second order kinetics was identified for the THM formation reaction.
(161) An immature cell of the bone marrow that is the precursor of a myelocyte .
(162) The present invention relates to the oxidation process of thioether precursor compound for digestion tract ulcer treating medicine containing sulfoxide base.
(163) Precursor of Hangu Ecotype High-tech Industrial Park is Tianjin Chadian Industrial Park.
(164) Objective To investigate some conditions which could in vitro induce neural precursor cells (NPCs) from mesencephalon of rat embryo to differentiate into dopaminergic neurons with a higher percentage.
(165) The measurement indicates that the optimized performance can be achieved by three - element composite columbite precursor methods.
(166) It is a precursor in the synthesis of various amino acids, such as alanine, and of malic acid and oxaloacetic acid, both intermediates in the KREBS CYCLE.
(167) Geller et al. 122 proposed that the question of precursor test can be addressed using a Bayesian approach where each failed attempt at prediction lowers the apriori probability for the next attempt.
(168) The phenylacetyl ethanolamine, a low toxic precursor of benzylpenicillin, was synthesized by using ethyl phenylacetate and colamine as raw materials.
(169) N acetylcysteine ( NAC ), a precursor of glutathione(sentencedict.com), is a thiol antioxidant.
(170) The precursor made by extrusion can foam at any furnace temperature under the experimental condition.
(171) Comparing the ratio of testosterone to epitestosterone can then indicate whether testosterone or a precursor has been taken.
(172) It was considered that the mechanical properties of PAN precursor was better when the orientation degree in crystalline region and overall orientation factor were about 0. 9 and 0.8, respectively.
(173) BCPL was an imperative language developed by Martin Richards at the University of Cambridge and was a precursor to the B language that evolved into the C language we use today.
(174) The closed cell polyimide foams were fabricated by foaming the precursor balloons[sentencedict.com], and the foams' acoustic absorption properties were tested.
(175) The invention discloses a bimetallic catalyst precursor for catalyzing olefin to polymerize or copolymerize and belongs to the field of olefin coordination polymerization.
(176) Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.
(177) A fundamental question in stem cell research is whether cultured multipotent adult stem cells represent endogenous multipotent precursor cells.
(178) The effect of the size of alumionphosphate precursor, ammonia flow and nitridation temperature on preparation of AlPON were investigated.
(179) Effects of addition of precursor amino acids, glutamic acid, cysteine and glycin at varying concentrations on Saccharomyces cerevisiae HSJB1 biomass and GSH yield were also investigated.
(180) Aluminium hydroxide, the precursor of alumina, was synthesized by precipitation reaction of the aluminium nitrate and sal volatile.
More similar words: cursor, recur, recurrent, secure, sinecure, security, recuse, excursion, recourse, recuperate, oppressor, precede, precise, precept, precinct, precious, imprecise, preceding, precedent, prerecord, precisely, precarious, depreciate, precaution, precocious, preclusion, appreciate, deprecation, to be precise, appreciated.