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The experimental setup for the turbulent jets in crossflow is designed, and the hot wire anemometry IFA 300 is used to measure the velocity field and the turbulent kinetic energy, and the computational result matches experimental measurement reasonably well. The experimental result is very important in the analysis of the flow field, deduction of the equation of the jet trajectory, check of the turbulence model and validation of the numerical method.

首先,建立了用于测量横向紊动射流的实验台,并利用IFA 300型热膜风速仪系统测量了多种工况下的流场,并将速度、湍动能结果与数值计算结果进行了比较,实验结果与数值模拟结果吻合较好,从而为分析流场特性、确定射流轨迹、比较湍流模型以及验证数值计算方法提供了依据。

The results show that when the test portion weight of the proof gold and samples is reduced to 160.00~200.00mg, there has no influence on the result of gold content. Respectively using magnesium oxide and bone ash cupels, the result deviation of gold content in the samples is within the allowable deviation of the national standards. The result of gold content in samples is much more closed to the theoretical value by adding proper copper in the proof gold. The additive amount of silver (2.5 to 2.7 times equal to the weight of the proof gold) in the proof gold and samples has no influence on the result of gold content.

结果表明,当标准Au与样品的称样量降为160.00~200.00mg时不影响其含Au量的分析结果;分别使用镁砂灰皿和骨灰灰皿,样品含Au量的分析结果与理论含Au量的偏差均在国家标准的允差范围内;标准Au中加入适量的Cu后测得样品的含Au量更接近于其理论含Au量;标准Au与样品中Ag的加入量(2.5~2.7倍Au质量)对样品含Au量分析结果的影响不大。

The method involves an iterative procedure, which incrementally flattens a 3D triangular mesh by region growing and obtains a parameterization with free boundary. The result is then converted to a parameterization with regular boundary by conformal mapping. Our method accounts for both the angle and area distortion during parameterization, it yields a parameterization with less global distortion and no triangular flipping.

采用区域增长算法逐层展平空间三角网格,得到空间三角网格曲面的自由边界的参数化结果,并利用保形变换将自由边界的参数化结果变换为规则边界的参数化结果;同时兼顾了参数化的角度变形和面积变形,使得参数化结果具有整体变形较小的特点,并能够避免三角形折叠的现象。

To be different from the already chloromethylation catalyst, it has a certain amount of moisture wet, which will not produce huge amounts of doughtic cancerogenic chloromethyl methyl ether during and after the reaction.4,4\'-bisbiphenyl, 1,4-bisbenzene, 1,4-bis(chloro- methyl)-2,5-dimethylbenzene, 1,5-bis-2,4-dimethylbenzene, 4-(chlor- omethyl)-1,2-dimethylbenzene, 1,2-bis-4,5-dimethylbenzene, 5,8-bis-1,2,3,4-tetrahydronaphthalene, 3,3\',5-tris-4,4\'-bisbiphenyl and 3,3\', 5,5\'-tetrakis-4,4\'-bisbiphenyl were synth- esized by using this new catalyst. Results indicated that when the reaction temperature was 55~60℃, the reaction time was 12h, the catalyst which consists of the concentration of 80%H_2SO_4, HAc and Lewis acid, the amount of Lewis acid 0.15 mol(nLewis:nbiphenyl=1.5:1), yield of biphenyl chloromethylation product 4,4\'-bis(chrolomethylbiphenyl can reach a maximum 85%.

采用这种催化体系完成了4,4′-二氯甲基联苯、对二氯甲基苯、1,4-二氯甲基-2,5-二甲基苯、1,5-二氯甲基-2,4-二甲基苯、4-氯甲基-1,2-二甲基苯、1,2-二氯甲基-4,5-二甲基苯、5,8-二氯甲基-四氢萘、3,3',5-三氯甲基-4,4'-二甲基苯和3,3',5,5'-四氯甲基-4,4'-二甲基苯的合成,结果表明:在反应条件为:反应温度55~60℃,反应时间12h,选择80%H_2SO_4、冰醋酸和Lewis酸为催化剂,反应最佳反应Lewis酸用量是0.15mol(和原料比为1.5:1),反应效果最好,联苯氯甲基化产物(4,4′-二氯甲基联苯)收率为85%;在反应条件为:反应温度70℃,反应时间8h,80%H_2SO_4、冰醋酸和Lewis酸为催化剂,反应最佳反应Lewis酸用量是0.1mol(和原料比为1:1)时,反应效果最好,苯的氯甲基化产物收(来源:ABd0C论文eded网www.abclunwen.com)率为75%;在反应条件为:在反应条件为:反应温度40℃,反应时间10h,60%H_2SO_4和Lewis酸为催化剂,反应最佳反应Lewis酸用量是0.1mol(和原料比为1:1)时,反应效果最好,对二甲苯氯甲基化产物(1,4-二氯甲基-2,5-二甲基苯)收率为78.5%;在反应条件为:反应温度35℃,反应时间10h,60%H_2SO_4、冰醋酸和Lewis酸为催化剂,反应最佳反应Lewis酸用量是0.1mol(和原料比为1:1)时,反应效果最好,间二甲苯氯甲基化产物(1,5-二氯甲基-2,4-二甲基苯)收率为81.5%。

Effect of each test condition on organic matter removal rate has been examined. The results show that in coagulation-flocculation agreeable conditions are coagulation PAC, stirring rate 150rpm, flocculation PAM, doses 700mg/L, 3mg/L ,respectively, pH 6.0, precipitation time 20min; in treatment by flotation, flotation agent oxygenized paraffin soap, dose 333mg/L, flotation time 10min; in treatment by ultrasonic, ultrasonic power 1.25w/mL, inception temperature 60℃, radiated time 40min.

试验结果表明,混凝的适合条件为:凝聚剂为PAC,搅拌强度为150r/min,絮凝剂为PAM,用量分别为700mg/L和3mg/L,pH值为6.0,沉降时间为20min;气浮的试验条件为:气浮药剂为氧化石蜡皂,用量为333mg/L,气浮时间为10min;超声波处理的试验条件为:超声功率为1.25w/mL,起始温度为60℃,处理时间为40min。

Increase, stable and reduces of integral were 48.19%, 45.78% and 6.02%, respectively. Weight gain, stable and reduce were 56.62%, 19.28% and 24.10%, respectively. Reduce, stable and increase of cold-catching number were 46.99%, 43.37% and 9.64%, respectively. Effective, stable and ineffective of CD4 was 56.00%, 10.67% and 33.33%, respectively.

结果 中医临床症状、体征有效率为79.52%,稳定率为10.84%,无效率为9.63%;卡洛夫斯基积分增加率为48.19%,稳定率为45.78%,减少率为6.02%;体重增加率为56.62%,稳定率为19.28%,减轻率为24.10%;感冒次数减轻率为46.99%,稳定率为43.37%,增加率为9.64%;CD4有效率为56.00%,稳定率为10.67%,无效率为33.33%。

Chemical and microbiological compositions of 12 samples of traditionally home-made koumiss in Xingjiang Uighur Autonomous Region were determined. The average contents of fat, protein, lactose, ash, calcium and phosphorus were 2.07g/100mL, 2.22g/100mL, 3.03g/100mL, 0.28g/100mL, 82.27mg/100mL and 58.20mg/100mL respectively. On average, pH was 3.90, titratableacidity was 134.25°T, lactic acid content was 10.99g/L, acetic acid content was 1.50g/L, citric acid content was 0.09g/L, ethanol content was 14.94g/L. The counts of lactic bacteria in 10 samples were 1.07~9.70×107cfu/mL, 1 sample was 1.38×108cfu/mL, another sample was 2.06×106cfu/mL; the counts of yeast in 1 samples was 3.20×104cfu/mL, 5 samples were 1.80~6.60×105cfu/mL, and 6 samples were 1.06~2.72×106cfu/mL. 33 strains isolated from 12 samples of traditionally home-made koumiss collected from Xingjiang Uighur Autonomous region belonged to Lactobacillus.

本项研究,对采集于新疆伊犁哈萨克族自治州、博尔塔拉蒙古族自治州和巴音郭愣蒙古族自治州 3 个地区的 12 份酸马奶样品,进行了化学和微生物组成分析,并对从中分离到的 33 株杆菌分离株,进行了属种鉴定,同时还对耐酸性菌株进行了初步筛选,结果表明: 12 份酸马奶样品的脂肪平均含量为 2.07g/100mL ,蛋白质平均含量为2.22g/100mL,乳糖平均含量为 3.03g/100mL,灰分平均含量为 0.28g/100mL,钙平均含量为 82.27mg/100mL,磷平均含量为 58.20mg/100mL;pH 值平均为 3.90,酸度平均为 134.25oT,乳酸平均含量为 10.99g/L,乙酸平均含量为 1.50g/L,4 份未检出,8 份柠檬酸平均含量为 0.09g/L,乙醇平均含量为 14.94g/l;1 份乳酸菌数为1.38×108cfu/mL,1 份为 2.06×106cfu/mL,其余 8 份在 1.07~9.70×107cfu/mL 间;1份酵母菌数为 3.20×104cfu/mL,5 份在 1.80~6.60×105cfu/mL 间,6 份在 1.06~2.72×106 cfu/mL 间。

In the front of the standard booth, each exhibition board should be packed with spraying decoration of various marine living things, supporting the central booth to create a feeling of sea with sea blue cloth curtain so as to achieve an integral harmonious effect

其他均为状语:&准展位的前端&为地点状语;&配合中心展台&为目的状语;&用海蓝色的布帘&方式状语;&营造大海的感觉&目的或结果状语;&达到整体和谐的效果&结果状语。

Such parameters as the percentage of ordinary reinforcment, amounts and configuration of unbonded prestressed tendons, the ratio of span to depth and the loading patterns were considered. Based on the results, the fomula for the eqivalent length of deformation zone on the beams at ultimate were developed. A simple formula was developed for the ultimate mid-span deflection of concrete beams with concept of equivalent length of deformation zone, and the deformation of beam before internal reinforcement yielding was predicted by the traditional formula for the deformation of partically prestressed concrete beam. Then an analytical model was deduced for analyzing the ultimate stress increment in those concrete beams prestressed with external or internal unbonded tendons based on the mid-span deflection.(4) Testes were carried out on a thin-walled concrete box beam presressed with external CFRP tendons to study its short-term performances under uniform load, long-term behaviors under uniform load, and full-time performance under four-point load in turn.

3以体内非预应力钢筋配筋率、体外预应力筋配筋率、体外预应力筋布置形式、预应力度、跨高比、荷载形式等为参数,用非线性分析程序对体预应力筋混凝土梁进行了参数分析,依据分析结果提出了以综合配筋指标和预应力度为参数的等效变形区长度的计算公式,进而提出了基于等效变形区长度的极限挠度计算公式;体内非预应力钢筋屈服前的挠度计算采用常用的部分预应力混凝土梁挠度计算公式;依据试验和非线性数值计算结果,将不同转向块布置形式的体外预应力混凝土梁简化为跨中一个转向块的体外预应力混凝土梁,推导了基于跨中挠度的体外预应力筋应力增量的简化计算公式。

Such parameters as the percentage of ordinary reinforcment, amounts and configuration of unbonded prestressed tendons, the ratio of span to depth and the loading patterns were considered. Based on the results, the fomula for the eqivalent length of deformation zone on the beams at ultimate were developed. A simple formula was developed for the ultimate mid-span deflection of concrete beams with concept of equivalent length of deformation zone, and the deformation of beam before internal reinforcement yielding was predicted by the traditional formula for the deformation of partically prestressed concrete beam. Then an analytical model was deduced for analyzing the ultimate stress increment in those concrete beams prestressed with external or internal unbonded tendons based on the mid-span deflection.(4) Testes were carried out on a thin-walled concrete box beam presressed with external CFRP tendons to study its short-term performances under uniform load, long-term behaviors under uniform load, and full-time performance under four-point load in turn.

3以体内非预应力钢筋配筋率、体外预应力筋配筋率、体外预应力筋布置形式、预应力度、跨高比、荷载形式等为参数,用非线性分析程序对体预应力筋混凝土梁进行了参数分析,依据分析结果提出了以综合配筋指标和预应力度为参数的等活动房效变形区长度的计算公式,进而提出了基于等效变形区长度的极限挠度计算公式;体内非预应力钢筋屈服前的挠度计算采用常用的部分预应力混凝土梁挠度计算公式;依据试验和非线性数值计算结果,将不同转向块布置形式的体外预应力混凝土梁简化为跨中一个转向块的体外预应力混凝土梁,推导了基于跨中挠度的体外预应力筋应力增量的简化计算公式。

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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。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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