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61 Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

62 Boron - substituted polyaromatic mesophase prepared by co - pyrolysis of a tar pitch with pyridine - borane complex under autogeneous pressure.

63 In this paper, effect of boron on the appearance and wear-resisting property of carbon arc hardfacing layer were studied by adding ferroboron into the alloy.

64 An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac...

65 The defect properties in chemical vapor deposition diamond films doped by sulfur and boron were investigated by the Doppler broadening measurements and electron paramagnetic resonance (EPR).

66 It is indicated that the boron doping promotes the growth of(111) face of the diamonds, enhances acceptor level, narrow' s band gap and increases carrier concentration correspondingly.

67 Boron deposits of eastern Liaoning occur in a suite of Early Proterozoic metamorphic rocks, with boron orebodies existent in magnesian marble.

68 Objective To introduce an inductively coupled plasma atomic emission spectrometry (ICP-AES) method for the determination of overall boron in rats glioma cells for boron neutron capture therapy(BNCT).

69 The boron deposits in eastern Liaoning Province occur in the Paleoproterozoic magnesian volcanic-sedimentary strata.

70 Boron compounds are found widely dispersed as various minerals,[Sentence dictionary] including borax and the gemstone tourmaline.

71 Made of boron or quartz glass tube which can be penetrated by ultraviolet ray.

72 Boron, from borax and borate evaporites, is an essential ingredient in the manufacture of glass, ceramics, enamel, agricultural chemicals, water softeners, and pharmaceuticals .

73 Neodymium alloyed with iron and boron - NIB - is widely used to produce very strong magnets.

74 The test has been demonstrated that the boron segregation at austenite grain boundaries in quenched steel is a non-equilibrium grain boundary segregation phenomena occurred during cooling.

75 The Raman scattering intensity of single wall boron nitride nanotubes is studied based on non-resonant bond polarizability model.

76 The globally heterogeneously distributed boron resources are represented by 73% reserves and 70% reserve base respectively dispersed in USA, Turkish, Russia and Kazakstan.

77 Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water.

78 The procedures for the extract and purification as well as isotopic measurement of boron in natural samples (salt lake brine, seawater and rock) were studied in this paper.

79 The addition of foreign gases like N2, PH3 or boron compounds, etc. can change the diamond morphology from faceted to ballas with increasing concentrations.

80 PIXE measurements show that the boron and sulfur co doping increases the solubility of sulfur in diamond.

81 They are manufactured from standard alloys, boron alloyed steel, resistant and corrosion resistant steel, and aluminium.

82 Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.

83 Microdosimetry plays an important role in the clinical application of boron neutron capture therapy(BNCT).

84 Hydroxyalkyal lignin was epoxidized by epichlorohydrin catalyzed via boron trifluoride etherate to form lignin - based epoxy resin.

85 Some of Boron Carbide's unique properties include: high hardness, chemical inertness, and a high neutron absorbing , cross section.

86 Boron substituted polyaromatic mesophase was prepared by co pyrolysis of a coal tar pitch with pyridine borane complex under autogeneous pressure.

87 Thermodynamic analysis was made to study the reduction volatilization of boron in ludwigite by using carbothermic reduction. Predominance diagram for the BCO system was presented.

88 Wengquangou boron - iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.

89 The three components resins are boron - modified CNSL resin, melamine - modified phenolic resin and aralkyl - modified phenolic resin.

90 The hydrogen and boron ion bombardments were performed by applying a negative bias voltage to the substrate during microwave plasma chemical vapor deposition process.