boron造句
31 Automatic nickel electroplating process and operating conditions of neodymium iron - boron permanent magnet were also set up.
32 Azomethine H Spectrophotometric Method for Determining Boron in Humic Fertilizer is described.
33 Generally choose gesso more boron hydrates, zinc carbide and aluminum hydroxide, magnesium hydroxide.
34 B 4 C ceramics were prepared by hot-pressing with B 4 C powder and amorphous boron powder as main materials.
35 Ethylether was used to extract castor seed oil and boron fluoride-methanol solution was used to methyl-esterify the saponified fatty acids.
36 After boron atom enter diamond's crystal lattice, the structure and character will be changed.
37 The differential and integral worths were calibrated by boron compensation method in given insertion sequence.
38 Determination micronutrient boron for foliar fertilizer by indirect acid - base titration[/boron.html], overcome the inadequate of others method.
39 Under conditions of growth chamber, hydroponic culture was employed to investigate the effects of different boron concentration on the morphology and growth of mungbean (Phaseolus aureus Roxb. ).
40 Boron neutron capture therapy (BNCT) is a very important subject all over the world recently.
41 The article studied the technology of synthesizing benzeneacetic acid. Benzeneacetic acid was synthesized from acetophenone with boron trifluoride as oxidizer.
42 Boron neutron capture therapy(BNCT), a new cure for cancer, appeared in 60 's, which consists of polytechniques and manifold subjects.
43 The pig iron containing boron and boron - rich slag were produced by blast fur - nace separating.
44 Non - alkali cloth made form aluminum boron silicate glass contains less than 0.8 % of alkali metal oxide.
45 Two new exocyclic ring - fused boron - dipyrromethene (BDP) dyes with benzo crown ether subunit at meso- position were prepared. Their spectroscopic and electrochemical properties were investigated.
46 A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.
47 The nuclear reaction can be controlled utilizing rods made of neutron-absorbing material, such as boron, essentially shutting down the fission process.
48 However, studies of spallation showed that it could generate lithium and boron.
49 The nano tribological friction coefficient of boron carbide increases with the normal load rising.
50 A special medical therapy reactor (MTR) is required for boron neutron capture therapy (BNCT), which has extended progress in some therapy tests.
51 The polymerization of 1-decene catalyzed by boron trifluoride catalyst was studied.
52 Ultra-high molecular weight polyethylene (UHMWPE) fiber is the fourth important high-tenacity fiber following carbon fiber, boron fiber and polyurethane fiber.
53 Boron: Semimetallic chemical element, chemical symbol B, atomic number 5.
54 An incr eased leaf weight ratio (LWR) and inter-veinal chlorosis evidenced in boron deficient leaves may indicate excessive carbohydrate accumulation, leading to a decline in chlorophyll content.
55 Cosmic ray spallation produces some light elements such as lithium and boron. This process was discovered somewhat by accident during the 1970s.
56 Mechanism of the reaction of boron orthophosphate with sodium and hydrogen is presented in this paper, by the study on the process of the reaction used for synthesis of sodium borohydride .
57 Boron and carbon are the important elements that can decide boride and matrix respectively, and their contents affect the microstructure and properties of the HBIA greatly.
58 Objective To investigate the induction effect of the boron neutron capture therapy (BNCT) on apoptosis of human brain glioma U251 cells in vitro and the possible mechanisms.
59 The invention aims at providing a boron modified phenolic resin binder for refractory materials, which is easy to massively produce and use.
60 LL Calcium Boron : Helps forms strong bones and teeth; aids nervous system.
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