In the esophagus, the mucosa collapses against the distal end of the endotracheal tube, thereby limiting the ability to fully pull back on a syringe or for a flexible compressed bulb to reexpand.
The distensibility of BOF slag was measured by steam test method and the effect of size and ageing time on the distensibility was investigated.These gives evidence for application of BOF slag.
Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.
Through the reduction of friction force and deformation force between the steel wire and die,the tensile failure problem of steel wire workblank during the stamping process was resolved.
R esults show that the modified cement with good durability, small expansion and low alkality can be made by use of gypsum and zeolite modifying alumina cement.
The expansion mechanism of hydroxide expanding phase for oil well cement slurry are discussed on the basis of principle of chemical thermodynamics and topochemical reaction model.
According to the engineering thermodynamic theory,the inflating work and ebulliency work exerted by the materials composed of liquid,vapour and gas during the adiabatic process are calculated.
Ambitious future observers might also send out probes that escape the supergalaxy and could serve as reference points for detecting a possible cosmic expansion.
Besides that, prop-1-ene-1,3-sultone is a kind of electrolyte additive, which can effectively restrain ion battery from expanding under the condition of high temperature.
Methods To investigate the changes of appearance, weight increase by hygroscopy and degree of swelling of Vikon-U under different dryness and humidity conditions.
It is shown that expansible ettringite forms in the topochemical reaction,and crystallizes in-situ on the surface of unhydrated aluminate minerals and orients radially.
Wages have gone up, especially in lower paying jobs like those in hotels or restaurants, but in many cases what people get paid is not keeping up with inflation.
As a result of that discrepancy between the privileges they feel they're owed and their inflated sense of self-worth, they don't work as hard for their employer.
When the weather becomes warm enough, the swelling bud pushes the scales apart; and when the leaves are out, these scales drop off, because there is no more use for them.
The science community remain unable to categorically prove or disprove this theory but it remains possible we're all living inside a massive, ever-expanding egg.
Now, for months we have heard from officials in the White House, the Federal Reserve and experts on Wall Street that inflation was just going to be a temporary thing.
考研英语阅读选择真题（英语一） 
2013
合集 
通货
使自己免受通货
格常常被看作是通货
采用压蒸法测定
些不断
工作。
天鹅
来，我们从白宫官员、美联储和华尔街专家那里听到
