The Synthesis and crystal structure of a novel trinuclear molybdenum cluster compound with somewhat "loose" coordination site {Mo_3(μ3-S) (μ3-S)_3 [S_2P(OEt)_2]_4·P(C6H_5)_3}·(0.86CH_2Cl_2) have been reported.
In this paper, the orbital constituent of the lcose terminal ligand bond in the Mo-S clusters, the correlation between the loose bond and other ones of cluster core and the formation mechansim of the loose bond has been demonstrated dy calculating and analysing the electronic structure of Mo_3S_4(S_2P(OEt)_2)_4·H_2O.
When the explant size with epidermis was 0.5cm×0.3cm× 0.2cm, more loose callus could be induced from the Guangzhou white peel garlic in the medium of MS+ 3.0mg/L 2,4-D + 1.2mg/L 6-BA under condition of 600 lux 12 hours circular illumination.
During the orthogonal experiments of the culture media,2,4-D and 6-BA inductive callus tissues,it is discovered that the better culture media combination for the inductive callus tissues is MS+2,4-D 1 mg/ L+6-BA 0.4 mg/ L,and that the produced callus tissues are mostly greenish,loose in texture,fast in growth,prolonged in browning and suited for the induction of androsace callus tissues.
2) The medium MS+NAA 1mg/L+KT 0.2mg/L or MS+NAA lmg/L + BA 0.2mg/L is suitable for inducing callus with root explants, the callus is light yellow, loose, pellet which regenerated roots;
① The mean CBF, and the regional CBF of frontal, temporal and parietal lobe cortexes and loose area of cerebral white matter in the silent Leukoaraiosis group were all obviously decreased as compared with those in the control group (369.1±41.6), (394.2±36.5) mL/g per minute, t=2.30,P < 0.05;
The suitable site for planting is that of open ground, full of sunshine, loose soil, epipedon organic matter more than 2 %, total nitrogen more than 0.1 %, available phosphate more than 0.25mg/100g soil, pH value 4.5-6.9, and the soil moisture content is 10 %~24 %.
Through the construction practice of the whole section one-time blasting molding in the of K7+220-K7+370 section cutting of 002 line,this paper sums up the construction experiments of stone cutting blasting on the parameter design and network design of the construction combining the deep-hope millisecond loose blasting with the pre-splitting blasting.
According to the equal relationship and loose coupling characteristics among peers in a P2P network, a Dempster-Shafer evidence theory based trust model for the P2P network is proposed.
The leafloose degree of Wuyungeng 8 was large, and the sum of loose degree in top 3leaves was about 6.0 and the leaf area per leaf sheath weight was 0.27 to 0.34cm2/mg.
The carbon-abundant area is the zone where graphite and organic fibre are comparatively gathered, while the spalling area is the zone where the surface film is spalled and its surface is rough and uneven, with a loose and denuded state.
The observation by using scanning electronic microscopes showed the cake layer with loose structure and large thickness formed on the membrane surface due to the appearance of filamentous bacteria and high SVI in sludge.
It was found that the modifying layers of the sorbents are getting loose under the effect of adsorbed water, and water molecules gain access to the sterically screened OH groups; the heat of water interaction with these groups is 54-55 kJ/mol.
loose
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