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Silver grass is weakly acidic, pH value is between 5.53 and 6.49, alkali buffer capacity is between 0.89ml and 3.31ml and acid buffer capacity is between 11.52ml and 17.38ml; To the wet ability of silver grass, the under-parts of stem are better than upsides, the inner surface of stem is better than surface, the wet ability of leaf is between surface and inner surface; compare with wood and wheat straw, the wet ability of silver grass is worse than that of wood but better than that of wheat straw.

荻草的化学成分主要是由纤维素、半纤维素、和木质素以及抽提物组成，在不同部位，各个化学成分的含量也不相同；荻草呈弱酸性，pH值在5.53～6.49之间，荻草的碱缓冲容量在0.89ml～3.31ml之间，酸缓冲容量在11.52ml～17.38ml之间；荻草茎秆下部的润湿性好于上部，荻草茎秆内表面的润湿性要好于外表面，荻草叶子的润湿性介于内外表面之间，与木材相比，荻草的润湿性不如木材，但要好于麦草；荻草茎秆下部的纵向抗拉强度要高于其上部，热处理15分钟后，茎秆下部的强度有所下降，茎秆上部有所提高，并没有表现出水热处理后荻草单元强度突然骤降的结果

The results showed that the three straight lines model could fit the soil shrinking and swelling characteristic curves well. The characteristic values of the curves were smaller than 1. This indicated that during the processes of soil swelling and shrinking, the change of the soil specific volume was smaller than that of the soil water content. Values of the geometry factors of four soils studied were equal to 1 at the beginning of shrinking, less than 3 and greater than 1 at other swelling-shrinking phases. The geometry factor values in different phases showed that soil swelling-shrinking was anisotropic and only subsidence occurred at the beginning of shrinking.

结果显示：三直线模型能够很好地拟合4种土壤的收缩、膨胀过程；土壤收缩、膨胀曲线各段的特征值均小于1，这说明土壤胀缩过程中土壤容积的变化速率小于含水量的变化速率；4种土壤胀缩过程中几何因子r大于1而小于3，且收缩初期几何因子r等于1，表明土壤的胀缩是各向异性的，并且在土壤收缩的最初阶段只有垂直收缩。

Preliminary results show that the sampling uncertainties for 16 elements are better than 1% on the sample sizes above 1 mg by using INAA, those for 7 elements are better than 1% on the sample sizes of sub-mg by using PIXE, and for 3 elements Cu, Fe, and Rb, they are better than 10% on the sample sizes equal to or larger than 7.5, 9.6, 42.4 ng, respectively.

初步结果表明：在有效取样量几百μg的条件下，取样不确定度好于1%的有7种元素，在亚ng到几十ng的取样量下，Fe、Cu、Rb的取样不确定度均小于10%，其中，Rb的取样不确定度小于5%。

Therefore, the EL spectra of (Znq_2)_4 is wider than that of Znq_2. 4._2 was synthesized. The analysis of molecular spatial structure and the characterization of material performance of_2 and Liq showed that two Liq molecules and two Naq molecules were connected by Na-O-Na bond bridges to form_2. Compared with Liq,_2 exhibits stronger rigidity in planar molecular structure, larger steric hindrance and intermolecular distance, and much smaller molecular polarity, thus resulting in much longer fluorescence lifetime, much higher fluorescence quantum efficiency, wider energy bandgap and better film formability. When used as light-emitting layer in OLED,_2 shows lower formation probability of excited dimmer and exciplex formation than Liq, thus emits bluer light with higher current efficiency than Liq. When_2 ultrathin film is used as electron injection layer in OLED, it exhibits higher current density, higher luminance, lower turn-on voltage and higher current efficiency than Liq ultrathin film for the existence of sodium ions in_2 ultrathin film. 5. The summarization the relationship between molecular spatial structure and material performance of Alq_3,(Znq_2) and Liq, lead the conclusion that the molecular spatial structure of Mq_n affects its material performance in such aspects as the rigidity of planar molecular structure, intermolecular interaction, molecule stacking mode and intermolecular distance.

制备了_2，通过对_2和Liq的分子空间结构与性能进行分析与讨论，发现_2是通过两个Na-O-Na键桥将两个Liq和两个Naq连接构成的，其分子平面结构的刚性程度强于Liq，空间位阻大于Liq，分子之间的距离大于Liq，分子极性远远小于Liq；_2的荧光寿命长于Liq，荧光量子效率高于Liq，成膜性优于Liq；_2的禁带宽度比Liq大，光致发光光谱中_2的最大发射峰较Liq发生蓝移；当_2在OLED中作为发光层时，激发二聚体与激基复合物的生成几率远远小于Liq，发的光比Liq更蓝，电流效率大于Liq；_2超薄膜中有Na离子的存在，与Liq超薄膜相比，当其在OLED中作为电子注入层时，具有更大的电流密度，更高的发光强度，更低的阈值电压和更高的电流效率 5、对上述Alq_3、Znq_2和Liq的分子空间结构与材料性能之间的关系进行了归纳总结，认为Mq_n的分子空间结构主要在分子平面结构的刚性程度，相邻分子之间的相互作用，分子堆叠的方式和分子之间的距离这四个方面影响其性能。

Experimental results indicate that the variance coefficient was not bigger than 4.98% in the range of 50×10^(-6)~10000×10^(-6); the coefficient was not bigger than 0.44% and the absolute error was less than 0.35×10^(-6) in the range of 2.5×10^(-6)~10×10^(-6).

该分析方法在50×10^(-6)~10000×10^(-6)范围内，变异系数不大于0.44%；在2.5×10^(-6)~10×10^(-6)范围内，变异系数不大于4.98%，绝对误差小于0.35×10^(-6)。

An individual who embezzles not less than 50,000 yuan but less than 100,000 yuan shall be sentenced to fixed-term imprisonment of not less than five years and may also be sentenced to confiscation of property; if the circumstances are especially serious, he shall be sentenced to life imprisonment and confiscation of property.

个人贪污数额在五万元以上不满十万元的，处五年以上有期徒刑，可以并处没收财产；情节特别严重的，处无期徒刑，并处没收财产。

The conductor insulation on the end of a drop cord entering a connector strip housing is not prohibited from having a rating of less than 125°, but C shall not be less than 90° 194° when the leads extend a maximum of 152 mm (6 C F, inches into the connector strip housing for splicing and are positively prevented from contacting any wire in the connector strip other than the leads of the wires to which they are spliced.

舞台灯标准除外：插入连接器条壳体的用户引用线终端导线绝缘必须高于90°(194°而又小于 C F) 125°的温度等级。插入连接器条壳体电线伸出最大长度为152 mm (6 inches)不是将 C 电线绞合导通，而是有效防止接触到任何电线。

The lower part of table space, the wide-General not less than 520mm, depth less than 450mm, not lower than the high-580mm, in order to maintain the lower limbs are extended and comfortable ride.

桌子下部活动空间，宽一般不小于520mm，深不小于450mm，高不低于580mm，以保持坐者下肢伸展舒适。

The altostratus base is 2 km high, and cloud top is higher than 5 km. The supercooled water exists abundantly in the cloud, the maximum is up to 0.21 g.m-3 at -11.20℃, but its distribution is not homogeneous, 87%of continuous distribution width are less than 2.4 km, which is disadvantage to the rime increasing of ice crystal in the cloud. Meanwhile, the evaporation effect of subcloud raindrop is very big, the diameter of raindrops which could not arrive the ground is less than 1 mm. Therefore, The cold vortex process produces the weak precipitation.

As云底高2 km，云顶高大于5 km，云中存在比较大的过冷水区，-11.2℃时的过冷水含量0.21 g.m-3，但过冷水的含量分布极不均匀，大于0.05 g.m-3的过冷水区连续分布的宽度87%小于2.4 km，不利于云中冰晶的连续凇附增长；同时云下雨滴的蒸发效应大，直径小于1.0 mm的雨滴难以落到地面，因此本次过程只产生弱的降水。

Randomly adopted 1000 students from 6 country middle schools and 4 country elementary schools, and get 813 available subjects. We can find that: the percentage of Left-behind children is the largest in the whole children, especially Left-behind children who have only one parent; and mentally healthy situations of Left-behind children are poorer than those who are not, the poorest are children who are looked after by compeers or even no rearings; the situations of children who have been Left-behind children also are not so good, there are significant differences mentally healthy between them and those who have not been, while anxiety scores are only a little lower. And there are differences in sex, grade, quarter, single or not and years parents being out among those who are Left-behind children. There are differences of parenting styles among different styles of children caring. Totally speaking, the scores on positive parenting styles of no left-behind children(such as warmth of father and mother) are higher than those who are and who have been left-behind children, but the scores are obviously lower on negative parenting styles such as punishment from father or intervening punishment from mother. The regression equation of anxiety scores on left-behind children set by parenting styles also depends on children caring styles. Positive parenting behaviors of parents and caring people have positive influences on mentally healthy of children, for instance, some supporting and mood warmth., while some negative behaviors such as rejection have negative influences.

随机抽取了江西省的6所农村中学和4所农村小学，调查学生被试共计1000人，有效被试为813人，对调查数据进行分析后发现：留守儿童所占的比重在全体儿童中最大，尤其是单亲看护人的留守儿童；而且，留守儿童的心理健康状况也显著低于非留守儿童，情况最差的是同辈看护或无看护的留守儿童；曾留守儿童的心理状况也不尽如人意，它与非留守儿童的心理健康差异达到了显著水平，心理焦虑总分只是稍低于留守儿童总体；并且，留守儿童的心理健康同样存在着性别、年级、独生与否、住宿与否以及父母打工年数的差异；不同看护类型的留守儿童父母教养方式存在着差异，总的来说，非留守儿童积极性的教养方式(如父亲温暖、母亲温暖等)得分要高于留守儿童和曾留守的儿童，而在很多消极性的教养方式如父亲惩罚、干涉，母亲干涉惩罚等等上，留守儿童与曾留守儿童的得分又要显著高于非留守儿童；家庭教养方式对留守儿童焦虑总分的回归方程视儿童的看护类型而定，父母和看护人的一些积极性的抚养行为对儿童的心理健康有着积极的影响，比如情感温暖或者支持温暖等，但是一些消极的比如拒绝等对留守儿童的心理健康就有负面的影响。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。