介稳

The influence of acetone concentraion and temperature on the metastability has been investigated.

实验考察了丙酮浓度和温度对溶析结晶介稳态的影响。

Some theorems about modulus of continuity were obtained by discussing the Bernstein polynomial.

首先定义了微晶粒的化学势，进而利用它推导出2个高分散度物性的数学函数式，最后根据推导结果讨论过饱和溶液，过冷液体两种介稳状态的存在原

Also there is much difference between the obtained metastable phase diagram at 35 ℃ and the metastable phase diagram at 25 ℃. The crystallization regions of schoenite(K2SO4*MgSO4*6H2O) and epsomite disappear and arise the crystallization regions of leonite and kainite.

所得35 ℃介稳相图与25 ℃介稳相图区别很大：软钾镁矾和七水硫酸镁结晶区域消失，同时出现了钾镁矾和钾盐镁矾的结晶区域。

A large difference is found between the obtained metastable phase diagram at 35 ℃ and Vant Hoffs stable phase diagram at 25 ℃. The crystallization regions of schoenite(K2SO4*MgSO4*6H2O), epsomite(MgSO4*7H2O), magnesium sulfate pentahydrite(MgSO4*5H2O) and starkeyite(MgSO4*4H2O) disappear and the crystallization regions of leonit and astrankit are greatly incresed.

所得35 ℃介稳相图与Vant Hoff 25 ℃稳定相图比较有较大区别：软钾镁矾（K2SO4*MgSO4*6H2O）、七水硫酸镁、五水硫酸镁及四水硫酸镁结晶区域消失，钾镁矾和钾盐镁矾结晶区域显著扩大。

The metastable state of dilution of spectinomycin has been studied by both induction period method and direct method.

采用诱导期法和直接法研究了大观霉素溶析结晶的介稳态。

This paper presents the experimental data of metastable phase equilibrium of Na+, K+, Mg2+∥Cl-, SO2-4-H2O quinary system at 35 ℃, from which the metastable phase diagram is drawn. It consists of nine regions of crystallization saturated with sodium chloride, potassium chloride, glasserite(3K2SO4*Na2SO4), leonite(K2SO4*MgSO4*4H2O), kainite(KCl*MgSO4*2.75H2O), thenardite(Na2SO4), astrankit(MgSO4*Na2SO4*4H2O), carnallite(KCl* MgCl2*6H2O), magnesium sulfate hexahydrite(MgSO4*6H2O) and bischofit(MgCl2*6H2O).

研究得出（Na+， K+， Mg2+∥Cl-， SO2-4-H2O）五元体系35 ℃时的介稳溶解度数据，绘制了该体系35 ℃的介稳相图，共有9个为氯化钠所饱和的结晶区域：氯化钾、钾芒硝（3K2SO4*Na2SO4）、钾镁矾（K2SO4*MgSO4*4H2O）、钾盐镁矾（KCl*MgSO4*2.75H2O）、光卤石（KCl*MgCl2*6H2O）、白钠镁矾（Na2SO4*MgSO4*4H2O）、硫酸钠、六水硫酸镁（MgSO4*6H2O）和水氯镁石（MgCl2*6H2O）。

Furthermore, some metastable structures can be converted to bestable on different condition.

在不同的外场作用下，某些介稳结构有可能转变为稳态结构。

The metastable phase equilibrium of the quaternary system Na(superscript +)∥Cl(superscript -), CO3(superscript 2-), B4O7(superscript 2-)-H2O was studied at 273 K by isothermal evaporation method, the solubility and density of the equilibrium solution of this system were determined and the metastable equilibrium phase diagram was plotted in line with the experimental data. The phase diagram of the system consists of three univariant curves, three crystallization fields and one invariant point.

采用等温蒸发法研究简单四元体系Na∥Cl，CO3(上标 2-)，B4O7(上标 2-)-H2O273K时的介稳相平衡，并测定该体系273K平衡液相中各组分的溶解度及密度，该体系的介稳相图和密度组成图显示：该四元体系在273K时的相图由3条溶解度单变量线、3个结晶区及1个共饱和点组成。

In the metastable phase diagram of the quaternary system Li+,K+,Mg~(2+)//SO_4~2-_-H_2O at 15℃, there are three invariant points of four co-existed phases, seven univariant metastable solubility curves and five crystallizing zones.

四元体系Li+，K+，Mg~(2+)//SO_4~2-_-H_2O在15℃介稳相图存在3个四元无变量点、7条单变量介稳溶解度曲线和5个介稳结晶区。

In the metastable phase diagram of the quaternary system Li+,K+,Mg~(2+)//SO_4~2-_-H_2O at 15℃, there are three invariant points of four co-existed phases, seven univariant metastable solubility curves and five crystallizing zones.

四元体系Li+，K+，Mg~2+(来源：bcAB77C论文网www.abclunwen.com//SO_4~2-_-H_2O在15℃介稳相图存在3个四元无变量点、7条单变量介稳溶解度曲线和5个介稳结晶区。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。