致密的

After low temperature and high temperature carbonization, the compactness and stability in skin and core region are improved.

经过低温碳化和高温碳化后，纤维皮层和芯部组织的致密性和结构稳定性得到改善。

"The pump casing shall be constructed of close-grained cast iron, aSTM a48, Class 30, and shall be of sufficient thickness to withstand all operating pressures and mechanical stresses."

泵壳结构应该采用符合美国材料试验协会aSTM a48级别30致密铸铁制造，应该具备足够的厚度，能够承受所有运行压力和机械应力。

Applying experiments of performance test, indoor soil training test under different field capacity and spring rape pot, a study was made on nutrient release and biological effect of water-soluble felted and coated fertilizer. The results showed that this kind of water-soluble coated material was characterized as its compact contexture, uniform thickness, fine performance of water absorption and permeability and certain degree of biodegradability.

应用性能测试、不同田间持水量下土壤培养及小白菜盆栽试验研究了其养分释放规律与生物学效应，试验表明：微水溶性包膜材料致密、整体厚薄较均一，其吸水性、透水性能优良，且具一定的生物降解性能。

The major factors affecting the pickling rate are scale thickness, compactness, and the oxide structure, especially the amount and continuousness of hematite.

经归纳后发现影响锈皮酸洗难易度之内在因素主要有三：(1)锈皮厚度、(2)锈皮致密性、(3)锈皮组成，尤其是Fe2O3层的量及连续性。

First, from room temperature to 500oC, the shell structure is amorphous with crinkly and airtight character. The shell structure begins to change into γ-Al2O3 and α-Al2O3 at 900oC. The surface of shells shows nano-sized pores at 900oC from SEM and BET analyses. When heated to 1000oC and 1100oC, the shell forms stable α-Al2O3 structure with smooth surface. Cracks often occur at the triple grain junctions. The specific surface area and the total pore volume of the hollow spheres increase with the calcination temperature.

首先，将锻烧温度由室温提升至500℃时，球壳属非晶相皱褶状致密结构；在900℃时开始有γ-Al2O3相及些许的α-Al2O3相出现，由SEM及BET结果得知，900℃之球壳表面有许多奈米级孔洞出现；当加热至1000℃和1100℃时，球壳形成稳定相之Al2O3结构，壳层表面趋於平滑，且球壳在晶界处有微裂缝存在；由BET 结果得知，比表面积及总孔洞体积会随锻烧温度之增加，有增加之趋势。

About 25% of women older than 40 years have dense breast tissue, which makes it particularly difficult to distinguish between healthy and tumor tissue on a mammogram."We all know that mammography is not perfect," commented Eric Winder, MD, professor of medicine at the Dana Farber Cancer Institute, in Boston, Massachusetts. This new technique could be a useful adjunct, particularly in women with dense breasts. There is already increasing use of magnetic resonance imaging in such women, he noted, and this technique might offer an alternative."Strategies for breast cancer screening are becoming more individualized, and we are moving away from a 1-size-fits-all scenario," he commented at an ASCO press briefing that he moderated.

40岁以上的妇女有大约25%有致密乳房组织，使得特别难以藉由乳房摄影区别健康组织和肿瘤组织；达那-法柏癌症研究治疗中心医学教授、Eric Winder医师表示，我们都知道乳房摄影不是最好的，这个新技术可以是有用的辅助方式，特别是属於致密乳房组织的妇女；他指出，这类妇女使用磁振造影的人数已经增加，此技术或许可以提供另一种选择；他在主持ASCO的记者会时表示，乳癌筛检策略变得个人化，我们已经不再用一体适用的方案。

For the first time, we study the radio afterglow behavior during the trans-relativistic phase of the fireball shock wave. Considering the trans-relativistic shock dynamic and the synchrotron self-absorption effect of the relativistic electrons on the radio emission, we find that the dense medium model can not only explain the fast decline of the X-ray and optical afterglows of GRB980519, but also account for its radio afterglow quite well.

我们首次研究了致密介质情形下射电余辉在跨相对论阶段的行为，发现考虑到激波的跨相对论动力学和相对论电子的同步自吸收效应对射电辐射的影响，致密介质模型既可以解释GRB980519的快速衰减的X射线和光学余辉，也可以很好地解释其射电余辉的特点。

Meanwhile, the coated surface was hydrophobic with a contact angle of 107.2°since the introduction of methyl groups and methylene groups. Static immersing corrosion test, potentiodynamically polarization curve and electrochemical impedance spectroscopy were conducted to evaluate the film corrosion performances. The results of potentiodynamically polarization curve and EIS in 55wt% LiBr solutions at room temperature in atmospherical pressure indicated that the corrosion current density of BMBSE film coated surface was 4 orders of magnitude smaller than that of bare SUS304 steel, and the impedance was increased by a factor of 10000. Static immersing corrosion test presented that the BMBSE film can significantly increase the corrosion resistance in 55wt%LiBr solution at 180°C compared with stainless steels.

同时由于有机组分甲基和亚甲基的引入，结构均匀致密，并具有一定的疏水性；电化学测试结果表明BMBSE膜的极化阻抗比不锈钢大4个数量级，自腐蚀电流密度也下降低了4个数量级左右，具有良好的耐腐蚀性能；成膜的影响因素优化结果表明BMBSE、EtOH、D.I.water摩尔比为1∶4∶3，热处理温度为200℃时，更有利于制备结构均匀、致密、耐腐蚀性能好的薄膜；静态浸泡腐蚀实验结果说明，在180℃、55%的高温溴化锂溶液中BMBSE膜能起到良好的腐蚀防护作用。

Firstly, it is difficult to densify CeO2 based solid electrolyte materials and a sintering temperature above 1600℃is required to prepare dense CeO2 based solid electrolyte materials by the conventional solid-state reaction method;Secondly, doped ceria are brittle materials and have weak mechanica...

其一，CeO_2基电解质材料难以致密化，用常规的固态反应法制备的CeO_2基电解质粉体需要在1600℃以上烧结才能达到致密化；其二，CeO_2基电解质为脆性材料，机械强度低，使其容易在电池的制造及运行过程中由于热应力及机械应力而破裂；其三，CeO_2基电解质在燃料极一侧由于Ce4+还原为Ce3+出现电子导电，降低电池的输出电压和输出功率，影响电池的性能。

The results showed that: a great quantity of compacted callus were induced on the MS medium supplemented with 6-BA and a large amounts of corms and young seedlings were differentiated on the differentiation medium, but plenty of loosened callus on the MS medium supplemented with 2,4-D and limited young seedlings on the differentiation medium.

结果表明：在附加6-BA的MS培养基上，外植体可诱导出大量的致密愈伤组织，而且致密愈伤组织在分化培养基中能分化产生大量圆球茎和幼苗；而在附加2，4-D的MS培养基中，外植体被诱导出疏松愈伤组织，在随后的分化培养基上只能产生数量有限的幼苗。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。