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In this paper, the status quo of climate resources and their utilization in China has been reviewed, with the major problems being pointed out. The development aims of rational exploitation have been discussed as follows:(1) Taking general and key regional censuses of climate resources, and ...
综合评述了我国主要气候资源的分布及利用现状,指出了其中存在的主要问题,并探讨了气候资源合理开发利用的发展目标:开展全国和重点区域气候资源普查、评估气候资源的承载能力,在此基础上根据社会发展和需求进行气候资源综合区划工作;建立我国气候资源监测评估体系,研究气候资源未来演化趋势及其对环境、生态和社会经济系统的影响;推广气候资源的开发利用技术,特别是对太阳能和风能等气候能源的利用。
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On the basis of summarizing separation method of acetic acid-water system, we studied the azeotropic distillation process of acetic acid-water system, selecting butyl acetate, isobutyl acetate and isopropyl acetate as entrainers. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. Simulation calculations of general distillation and azeotropic distillation were carried out. The influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed. Preferred process operation parameter, which had guiding meaning to practical production of distillation process were obtained. Basic data for the process amplifying design of azeotropic distillation tower were provided. Invest and operation energy consumption of two distillation methods were compared. The elementary technical design of azeotropic distillation tower was carried out on the basis of result of simulation calculation. The type of major auxiliary equipments and inner parts of packed tower were selected.The research results are as follows:(1) Butyl acetate, isobutyl acetate and isopropyl acetate could be selected as entrainer, and separation effect was near.
本文在综述醋酸-水体系分离方法的基础上,以醋酸丁酯、醋酸异丁酯、醋酸异丙酯为挟带剂,对醋酸水溶液进行共沸精馏过程研究,详细研究了填料高度、水与挟带剂的配比、醋酸初始浓度等对共沸精馏分离效果的影响;对醋酸-水体系进行普通精馏和共沸精馏过程模拟计算,讨论了回流比、理论板、进料位置、进料温度和浓度对精馏过程的影响,获得了对醋酸-水体系精馏过程实际生产具有指导意义的较佳的工艺操作参数、共沸精馏塔的工艺设计放大的基础数据,并对两种精馏方法的投资、操作能耗进行了比较;同时在共沸精馏模拟计算的基础上进行了共沸精馏塔的初步工艺设计计算,并对填料塔的主要辅助设备及塔内件进行了初步选型。
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In June 6th ,1944, in Dog White sector ,the Omaha Beach, during the Normandy campaign,under the pressure of Germany violent fire power,the commander of the 29th division,general Norman Kerta went to the Major, commander Max Schneider, he asked,"What this army belongs to?"
请教英语高手,帮忙翻译一段文字,机器翻译的也行,只要通顺,没语法错误,不太难懂就行1944年6月6日,在诺曼底战役中的奥马哈海滩Dog White sector上,面对德军的猛烈机枪火力,第29师指挥官诺曼·柯塔将军找到了第五游骑兵麦克斯·施耐德少校挥官。
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Is one of the two major retail flagships that were formed in the state-owned general merchandise enterprise restructuring. Based on the research on the development strategies of Rainbow ...
以该公司的战略管理及连锁经营的理论框架为指导思想,结合该公司的实际情况,对公司内、外部环境进行了深入的分析,提出相应的发展战略并对战略的实施提出建议。
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In fact, the state monopoly became a major source of revenue of the Government-General of Taiwan in the ensuing years.
中文摘要由於专卖制度的实施与各项专卖事业推行的成功,专卖收益解决了日本统治台湾初期资金短缺的困境,并且成为台湾总督府历年财政岁入的重要来源。
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Home position shear tests of slope rock, point loading tests and indoor AMD simulation action tests in XingQiao concave slope had show shearing strength and coherence between body layers of quartz sandstone decrease by 13.2%~21.3% after attacked by AMD, the angle of internal friction between layers is decreased by 5.0%~7.5%, in general, AMD affects the rocks mechanical property at range of 60~100m interior the perpendicular slop. Data analysis shows: 1 The actions to slope are major focused on zone of weakness, shearing strength of slope foot and AMD centre are reduced by 52% and 64.7% separately. 2 The explosion stress wave of long distance field has obviously increasing influence to disturbance amplitude value of slope with increasing of the slope height and distance, the response of the top of slope and fault region are obvious as well as damage effect; the foot of slope is with smallest disturbance amplitude value, the disturbance amplitude value of the step close to free face is obviously bigger than the interior of slope. 3 With the coupling effect of the AMD and explosion loading, the stress distribution inside of slope mainly presents characters of explosion stress field; the area affected by AMD becomes a weak area of shearing stress.
新桥深凹露天矿边坡岩体的原位剪切试验、点载荷试验、室内模拟AMD作用试验表明:AMD蚀化后的石英砂岩,岩体层面间的抗剪强度和粘聚力减小的幅值约为13.2%~21.3%;层面间内摩擦角减小幅值在5.0%~7.5%之间;AMD一般影响垂直边坡体内部在60~100m范围内的岩体力学性质数值分析表明:AMD对边坡体的作用主要集中在弱化区域内,边坡体的底脚和AMD作用中心区域的剪切应力减少了52.0%和64.7%;(2)随着边坡体高度和距离的增加,远场爆炸应力波对边坡扰动幅值的增加趋势明显,边坡顶部和断层部位的响应突出,损伤效应明显;边坡底脚扰动幅值最小,临空面附近台阶的扰动幅值明显大于边坡体内部;(3)AMD与爆破荷载耦合作用后,边坡体内部的应力分布主要呈现出爆炸应力场的特征,AMD影响区域形成了一个剪切应力弱区。
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Among the preliminary design to finish the design specification, a copy of the sewage treatment plant, a general layout, the flow chart, a major equipment figure.
其中初步设计要完成设计说明书一份、污水处理厂总平面布置图一张、高程图一张,流程图一张,主要设备图一张。
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Mountain suspension bridge has been built with the world\\\s major rivers, coastal waters of different suspension bridge, one of which is under the bridge the difficult terrain, there is no Yun Liang conditions, and the second is several hundred meters high bridge, lifting height is far more than the general crane requirements.
山区悬索桥与世界上已经建成大江大河,近海悬索桥不同,其一是桥下地形崎岖,没有运梁条件,其二是桥高数百米,起吊高度远超过一般吊机要求。
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In general, the major factor is very ineffective business processes and organization.
& &总体而言,主要因素是非常有效的业务流程和组织。
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And things have not changed that in this country we still have a general oversupply of major industrial products.
主要工业品供过于求的局面没有改变。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。