使增加密度

Mono-calcium phosphate, sulfuric acid and urea were used for simulating the crystallization of calcium sulfate in the reaction of phosphate rock and urea-sulfuric acid.

结果表明，与无尿素的结晶过程相比，尿素使出现结晶的时间延长了150%，但悬浮液密度增加50%，结晶在长度和宽度上均有所增加，特别是宽度上的增长超过50%。

The treatment of CaCl〓 made the electron dense bigger in plastid during the early period of fruit development, while in the period of fruit rapid growth and fruit ripening stage, the amounts of amyloplast increased. On the other hands, the treatment of EGTA and LaCl〓 decreased the amounts of plastid or amyloplast, made the structure of plastid abnormal.

CaCl〓处理使前期果实细胞中质体上电子密度大，中后期则使造粉体数量增加，EGTA和LaCl〓处理减少了质体数量，使质体结构异常。

Results show that the bulk nanocomposite magnets are more dense by increasing hot-press temperature, pressure and holding time.

结果表明，增加温度、压力及延长时间都可以使块状复合纳米晶永磁材料致密度增加。

It has been found that during the spark plasma sintering process, under the condition of large current, short sintering time and lower sintering temperature, the metastable icosahedron quasicrystal phase in primary powder particles is kept. And the strong discharge plasma among particles can decompose or break the oxide film on the primary powder's surface, resulting in the increment of their combination strength. So the as-prepared bulk alloy possesses high density and ultra-high strength.

结果表明，在放电等离子烧结过程中，采用大电流、短时、低温的烧结条件可使快冷雾化法制备的原始合金粉末中的准晶强化相及其它细小强化相得以保存，而局域强放电等离子体可以分解或破碎铝合金粉末表面的氧化膜，使合金粉末颗粒间的结合强度增加，制备出的块体铝合金具有高的致密度和超高强度。

At the same time, the K, G, Vp, and Vs of forsterite decreased too because of density decrease 3.0% caused by H atoms replacing Mg atoms in the crystal. Water also increases the total energy of the forsterite system, i. e. the crystal stability and the power of bond were reduced at high pressure and temperature.

在常温常压下，2个氢原子置换1个镁原子会使镁橄榄石的密度降低3.0%，是波速及弹性模量减小的原因，同时使镁橄榄石体系的基态总能增加，降低矿物的稳定性和键之间的强度。

The results show that the density of glass, glass transition temperature and thermal expansion coefficient increase with the increase of yttria content, and the chemical durability decreases with the increase of yttria content. The bend strength of glass increases from 53.52 MPa to 109.65 MPa when 1.80% Y2O3 is added into glass. However, with the content of yttria further increases to 6.84%, the bend strength is suspended about 110 MPa. Y2O3 acting as network modifies in the structure and makes the island-shape network unit repolymerization by the bonding of Ge-O-Y because of the decrease of non-bridge oxygens and strengthening of glass network structure.

结果表明：该系统玻璃的密度、玻璃转变温度和热膨胀系数随氧化钇含量的增加而升高，玻璃的化学稳定性随氧化钇含量的增加而下降；在玻璃中加入1.80%氧化钇后，玻璃的抗弯强度值由53.52 MPa增至109.65 MPa；继续增大氧化钇的含量至6.84%时，玻璃的抗弯强度维持在110 MPa左右；氧化钇的加入减少玻璃网络结构中非桥氧数量，使孤立的岛状网络单元重新聚合，增强玻璃的网络结构。

The rules of fluid rate with different technical parameters: the increase of electromagnetic force causes the increases of the fluid rates at S/L interface and free surface, the decrease of skin depth, the increase of electric current density which will make the fluid at free surface flowing faster, while it doesnt affect the fluid rate at S/L interface. When the height of melt increases, the both of fluid rates will increase too. The increase of the width-thickness ratio augments the fluid rates along the wider edges at S/L interface evidently, while the rates along the narrow edges will have little change, and the rate at free surface has little change too. The increase of overheat degree minishes the range of mush zone, while the fluid rates at S/L interface and free surface will increase evidently.

流速的大小随各种不同工艺因素的变化呈现出一定的变化规律：随电磁力的增大，固液界面以及自由表面处的流速都会增大；集肤层渗入深度变薄，电流密度增大，会导致自由表面上流动的加强，但对固液界面处的流动速度影响不大；熔区高度的增加，也会使固液界面及自由表面处的流动增强；宽厚比增大时，固液界面上沿宽面方向的流动显著增强，但窄面方向流速变化不大，同时自由表面上流速变化也较小；过热度及温度梯度的增大，使糊状区减小，导致固液界面及自由表面处的流速显著增大。

Mowing suppressed seedling emergence of tall-growing Stipa krylovii by affecting seed availability due to reproductive parts removal when mown in the previous year, whilst exerted a positive effect on low-growing Cleistogenes squarrossa probably as result of increased light availability and less competitive pressure from adult individuals, because mowing largely lowered the vegetation height and density. 3."U"shaped curve for seedling mortality across the entire growing season was thought to be associated with seasonal changes of air temperature but a small peak from mid-June to early July could probably be attributed to drought due to previous rainfall shortage.

自5月下旬至8月中旬，三种禾草的实生苗密度总体上都呈上升趋势，但刈割和放牧会使克氏针茅的实生苗密度受到抑制，表明前一年的刈割去除部分生殖器官影响形成实生苗的种子来源；刈割和放牧对生长较低矮的糙隐子草实生苗会产生正向效应，对低矮和稀疏植被进行有规律的刈割会增加植物群落内部的光照，减轻实生苗与成年母株的竞争。

On the other hand, the synergetic effect could be found during BS-UC adding to mixed alkanes culture. Furthermore, BS-UC could increase the hydrophobicity of cell surface and thus enhanced the ability of cell attachment to alkane. Adding BS-UC also increased the Zeta-potential of cell and medium surfaces significantly, i. e. BS-UC could decreased the negative electric charge density of their surface, so the repulsive tension between cell and medium would be weakened and the adsorption of them would be easier. The results of the test with sand filled column for investigating the cell adsorption in pore-medium showed that the residual amount of cell in the column increased with increase of adding BS-UC concentration.

此外，在以混合烃类为底物时会产生一定的协同促进效应；添加生物表面活性剂BS-UC，可以显著提高细胞表面疏水性，使得其与烃类及其它疏水表面接触能力增强；BS-UC还可以明显提高细胞及介质表面的ζ电位，使所带负电荷密度降低，从而使得两者间斥力减小而便于吸附；通过沙填充柱洗脱实验，对BS-UC增强细胞在填充介质中吸附能力进行了考察发现，随BS-UC浓度的增加，细胞在填充介质中的保留量也随之增加。

The effects of Lecithin on reducing LDL cholesterol and increasing HDL cholesterol makes it useful in the treatment of atherosclerosis, hypercholesterolaemia, hyperlipidaemia, Coronary heart disease and hypertension.

的影响，卵磷脂对降低低密度脂蛋白胆固醇，增加高密度脂蛋白胆固醇，使有益的，在缓解动脉粥样硬化，高胆固醇血症，高血脂症，冠心病及高血压。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。