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By 1957 or 1958 this third level of needs was fairly well satisfied. Then, in the late 1950s, a fourth level of needs appeared: the "life-enriching" level.(79) While the other levels involve physical satisfaction, that is.

到了1957、58年的时候，人们的第三层次也得到了充分的满足。20世纪50年后期，第四个层次的要求&丰富多彩的生活&（life-enriching）有出现了。

According to the data of drill cores,outcrops and well loggings,two orders base-level cycles are recognized from Zhiluo Formation in Dongsheng area,which consist of 8～14 short-term base-level cycles and 3 mid-term base-level cycles , and their structural types and stacking patterns are discussed by using principles and methods of high-resolution sequence stratigraphic theory.

文章综合利用岩心、露头、测井资料，运用高分辨率层序地层学基本理论和方法，对东胜地区直罗组地层进行不同级次基准面旋回的层序划分，共识别出8~14个短期旋回、3个中期旋回，并对不同级次基准面旋回的结构类型、叠加样式进行探讨。

To increase the security of the watermark, a new binary image encryption algorithm based on TD-ERCS map is presented. The watermark is encrypted by a chaos sequence generated by TD-ERCS map; A novel color image watermarking algorithm is proposed based on discrete chaotic map and 2-dimensions discrete wavelet transform. The watermark is encrypted by the new binary image encryption algorithm, and the encrypted watermark is embed into four sub-bands of the most deep level of blue branch of host image by three-level wavelet transform, and the embedded positions are determined by general cat cha otic map; A novel color-image blind detection watermarking algorithm is proposed based on integer wavelet transform and subsampling. The scrambled watermark is encrypted and embed into the low sub-bands after four sub-images of the Y branch of host image is transformed by two-level wavelet transform, and the embedded positions are determined by Logistic chaotic map, this watermarking scheme can realize blind extraction.

为了提高水印图像的安全性，提出了一种基于TD-ERCS混沌映射的二值水印图像的加密算法，该算法利用TD-ERCS映射产生的混沌序列加密水印图像；将离散混沌映射和二维离散小波变换相结合，研究了彩色图像水印新算法，该算法先对混沌序列加密后的水印图像进行小波变换，再嵌入到宿主图像的蓝色分量的最深层的四个子带中，嵌入位置则由广义猫映射确定；将整数小波变换和图像子采样技术应用于数字水印，提出了一种彩色图像盲提取水印算法，水印嵌入时，先对宿主图像在YIQ色彩空间中的Y分量进行子采样，并对得到的四个子图像分别进行二级离散小波变换，然后将置乱并加密后的水印图像嵌入到小波变换后的低频子带中，其嵌入位置由Logistic混沌映射产生的混沌序列确定，实现了水印的盲提取。

This invention provides a kind of superthin tube heat exchanger. Its feature is that the heat exchanger comprises hollow level header that the refrigerant can flow through, several refrigerant tubes insert in the level header, so it can distribute the refrigerant that flow in the level header.

本发明提供一种超细管道热交换器，其特征在于：上述热交换器由以下部件构成：中空的水平集管，可以使制冷剂流过；若干个垂直制冷剂管群，插在上述水平集管内，可以使在上述水平集管内流动的制冷剂得到分配；隔断，设置在上述水平集管内部的上述垂直制冷剂管之间，能够改变制冷剂的流动方向。

Overall goal is: By 5 years of implementation of development, and then plans to purchase large-scale tractor 4; medium-sized tractors 13; no-tillage planter 30; deep plowing 4; Subsoiling Machine 6; motorized spraying machine 10; maize Combine Harvester 8; row fertilizing machine 20 after the machinery and equipment, projects the region will be integrated mechanization level of operation from the current 50% to 90%,机耕, sowing machine operating level will be able to reach 100 percent, machine operation closed 70 percent level.

示范园区的总体目标是：通过5年的实施发展，再按计划购置大型拖拉机4台；中型拖拉机13台；免耕播种机30台；深耕犁4台；深松机6台；机动喷药机10台；玉米联合收获机8台；中耕施肥机20台的机械装备后，项目区内的综合机械化作业水平就会由现在的50%提高到90%，机耕、机播的作业水平就能达到100%，机收作业水平达到70%。

The results showed that over 500.0 μg/L of Jagged-1/Fc led to the obvious enhancement of the proportion of CD4+CD25+ T cells within the day 4 to 6 of induction, which was abrogated with an anti-Jagged-1/Fc monoclonal antibody. This induction action of Jagged-1/Fc on CD4+CD25+ T cells was also inhibited by the block of a Notch signal pathway with N-[N-(3,5-difluorophenacetyl)-L-alanyl]-S-phenylglycine t-butyl ester. The level of IL-4 and IL-10 in the supernatant of T cell culture and their intracellular level were elevated by the induction of Jagged-1/Fc,and the level of TGF-β1 in the supernatant was not altered.

结果显示，超过500.0 μg/L剂量的Jagged-1/Fc使CD4+CD25+ T细胞百分比明显增高，诱导时间需要4～6天，抗Jagged-1单抗能抵消Jagged-1/Fc的诱导作用，用DAPT阻断Notch信号通路的活化也能抑制Jagged-1/Fc的诱导作用，Jagged-1/Fc诱导分化的T细胞培养上清中IL-4和IL-10的水平明显增高，TGF-β1无明显变化，胞内IL-4，IL-10，IL-2和TNF-α的水平也呈增高趋势。

Oil level marks in the housing and an oil level gauge help to keep the correct oil level.

轴承座内的油位标记和油位表使油位保持在正确水平。

No, the hull is constructed with enough flotation that it will always remain buoyant and level, even if the cockpit and engine bay are fully flooded. The water level in the cockpit would not exceed mid-waist level in such a situation, so water could be easily pumped out and the vessel refloated.

不会，船体结构使得船有足够的浮力，船只会自动上浮并保持水平，即使驾驶舱和引擎室全部进水，在这种情况下驾驶舱内的水位也不会超过中位线，因此水能够很容易地通过水泵排出，船只又能够上浮。

objective to study the relationships between smoking,atherosclerosis and c-reactive protein.methods to detect the serum crp and serum lipid while in quiring the smoking status for278patients with cardio-vascular disease.then analyed the crp level among different groups.results crp level had significant difference between smoking and non-smoking groups,atherosclerosis and non-atherosclerosis groups;but it seems no relationˉship with high lipid.in differentsmoking amount groups,crp level had significant difference in atherosclerosis paˉtients,but no significant difference in non-atherosclerosis patients.conclusion smoking,high lipid and crp were all very good prognostic mark in atherogenesis.crp was a significant prognostic mark in atherosclerosis influenced by smoking.

目的 初步探讨c反应蛋白crp与吸烟和动脉粥样硬化三者之间的关系。方法通过对临床278例动脉粥样硬化和非动脉粥样硬化病人血清crp和血脂的检测及吸烟情况的调查，应用spss统计软件进行差异分析，比较不同组间crp水平。结果 crp在吸烟与不吸烟组、动脉粥样硬化和非动脉粥样硬化组差异有显著性。而在血脂正常组和高血脂组差异无显著性。在不同吸烟量组间：非动脉粥样硬化组间crp水平差异无显著性，而动脉粥样硬化组差异有极显著性。结论吸烟、血脂升高、crp升高是动脉粥样硬化较好的预示指标；在吸烟人群中crp升高者更易患动脉粥样硬化。

Underneath the level of quarks and electrons and photons is a further level: the level of bits.

在夸克和电子和光子之下是更深的一个层面：比特的层面。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。