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Focuses on the conditions that can meet the requirement of the reversible process. Sets up an ideal model of the desiccant solution, based on the mass balance and energy balance, by solving which the flow rate ratio and heat balance results can be obtained.

在对溶液的性质进行合理简化的基础上,分析了溶液与空气的热质交换过程的流量比和过程需要吸收或释放的热量,得到在不同工况下,可逆过程所要求的流量比和应该补充或带走的热量。

PPSB is better than wet FGD in configuration, cost and disposal of waste. It has higher SO2 removal efficiency and utilization of sorbent than those of dry FGD and other semidry FGD.

PPSB在系统结构、废物处理、操作和费用方面比湿法有所提高,同时又比干法和其他半干法的去除率和吸收剂的利用率高。

By synthetically analysizing the physical and chemical properties of all components and particle size, the content of F2641 in the JOB-iC is determined by gravimetric analysis after F2641 is seperated from HMX,TATB and PNP through ? alkali reflux. Determination conditions is set as follows the sample is boilingly refluxed for six hour in a constant temperature bath after adding lOOm! 8.0 ?? 0.1% NaOH. The solvent DMF saturated by TATB is used for extracting HMX,F21 and PNP from the sample and TATB is seperated by crucible filter G4. The mass precent of TATB is determined by extraction fractionation. The mass percent of PNP is measured by multiwavlength linear regression ultraviolet spectrophotometry. The testing conditions are set as follows:multiwavlength constitution: X=267nxn, 275nm, 283nm, 29mm, 299nm,the application scope of the Lambert-Beer law: the concentration of PNP is O.005?0.O25mgIml, the concentration of HMX is 0.060.3Omg/ml,absorption coefficents of PNP and HMX are solved by the slope of linear regression curve of absorbency- concentration of standard solution of PNP and HMIX for measuring wavelengthes,on the basis of the Lanibert-Beer law and absorbancy additivity principle, the slope of linear regression curve of A/E(1) and E1 of PNP and HMX solution is regarded as the concentration of PNP in the solution.

根据传爆药中各组分的物理、化学性质及主体炸药的粒度大小,进行综合分析,确定了采用碱回流重量法测定JOB-1C 中F_(2641)的含量,测定条件:加入100ml浓度为8.0±0.1%的氢氧化钠,在恒温水浴中煮沸回流6h;采用溶剂萃取法测定JOB-1C中TATB的含量,选择TATB饱和的二甲基甲酰胺为萃取溶剂,用G4坩埚式过虑器进行萃取分离;采用多波长线性回归紫外分光光度法测定JOB-1C中PNP的含量,通过实验确定了多波长组合:λ=267nm,275nm,283nm,291nm,299nm;朗波—比耳定律的适用范围为PNP浓度:0.005~0.025mg/ml,HMX浓度:0.06~0.30mg/ml;在测定波长下,对PNP、HMX标准溶液的吸光度—浓度进行线性回归,由回归曲线的斜率得出PNP、HMX的吸收系数;根据朗波—比耳定律和吸光度加和性原理,在测定波长下,对PNP、HMX 两组分混合溶液A_i/E_HMX(i与E_PNP(i/E_HMX(i进行线性回归,回归曲线的斜率即为混合溶液中PNP的浓度。

Lisya goes knitting an eye to stick series to want than common product result a few times tall, solved a tradition to stick film to stick 10-20 not only after minute dry the issue with effect short time is reached after attracting skin moisture issue, still can all night give skin filling water take a tonic to build up health, because from in the evening 22 when arrive the following day in the morning 5 when, it is the optimal time of skin rehabilitate, and the rehabilitate in Morpheus just is the most effective, at this moment the cell grows and repair is the most exuberant, the speed of segmentation should be compared control 8 times more quickly at ordinary times, skin is particularly strong to protecting what skin tastes to draw strength.

lisya去皱眼贴系列比普通的产品效果要高几十倍,不仅解决了传统贴膜贴10-20分钟后就干燥倒吸皮肤水分问题后及作用时间短的问题,还能整夜的给肌肤补水补养,因为从晚上22时到第二天早上5时,是皮肤修复的最佳时间,而睡眠中的修复才是最有效的,这时细胞生长和修复最旺盛,细胞分裂的速度要比平时快8倍左右,肌肤对护肤品的吸收力非凡强。

A method for determination of iron based on the inclusion of iron ?-amido black 10B with β-CD in acid solution has been developed.

基于在酸性缓冲溶液中Fe一氨基黑10B与β-环糊精的包合反应,发展了测定铁的分光光度法,以试剂空白作参比,包合物的最大吸收波长位于642nm处,摩尔吸光系数ε为1.0×104L,Fe在0.4~3.6μgmL的浓度范围内符合比耳定律。

The structural and photocatalytic properties of TiO〓 as well as surface acidity were greatly improved by sulfation. SO〓〓/TiO〓 solid superacid with Hammett constant Ho less than -12.14 was prepared by treating the TiO〓 with 1.0mol. L〓 sulfuric acid solution and then calcining at 450℃ for 3h. When compared to unmodified TiO〓, the SO〓〓/TiO〓 superacid catalyst exhibited higher anatase content, smaller crystal size, higher specific surface area, centralized pore size distribution, and the blue-shifted band edge of uv-vis adsorption spectra. Furthermore, the SO〓〓/TiO〓 superacid also showed excellent reaction activity and stability for CH〓Br photocatalytic decomposition even under the moist reaction conditions. The apparent quantum efficiency of SO〓〓/TiO〓 was 10 times of that of TiO〓 catalyst for the photocatalytic degradation of bromomethane. Therefore, the SO〓〓/TiO〓 superacid catalyst is promising for practical application in environmental remediation.It was found that both L and B acid sites exist on SO〓〓/TiO〓 photocatalyst while only L acid sites on TiO〓 photocatalyst. On the basis of experimental results, the synergistic model of superacidic centers was proposed for SO〓〓/TiO〓 photocatalyst to explain the photocatalytic behavior and the mechanism of superacidifing effects, assuming that the adjacent L and B acid sites induced by SO〓〓 comprise cooperatively the superacidic center on superacid photocatalyst. The group cooperation of the superacidic center could strengthen the surface acidity, increase surface acid sites and the adsorbtion of O〓, promote separation of photogenerated electron-hole pair, enhance the interfacial transfer of charges and reversibility of water adsorption. Consequently the excellent photocatalytic activity, reaction stability and resistibility to humidity of SO〓〓/TiO〓 superacid photocatalyst may attributed to the group cooperated effect of the superacidic center on the photocatalyst.

研究结果表明:SO〓〓与TiO〓表面的结合为螯合式双配位结构;TiO〓光催化剂表面经H〓SO〓浸渍处理后,提高了表面酸性,改善了催化剂结构和光催化性能,当H〓SO〓浸渍浓度为1.0mol.L〓、烧结温度为450℃时,可制得SO〓〓/TiO〓超强酸催化剂(H〓<-12.14),其结构和光催化活性得到明显改善,与TiO〓相比,SO〓〓/TiO〓光催化剂的锐钛矿含量高、晶粒小、BET比表面积大、孔径分布集中、光谱吸收边蓝移,具有优异的光催化氧化活性、稳定性及抗湿性能,光催化降解溴代甲烷的表观量子效率比TiO〓催化剂提高了一个数量级,是一种有实际应用前景的高效光催化剂;由此提出了SO〓〓/TiO〓超强酸催化剂表面集团协同作用的超强酸中心模型,认为在SO〓〓/TiO〓超强酸催化剂表面,由SO〓〓诱导的相邻L酸中心和B酸中心组成了集团协同作用的超强酸中心,其集团协同作用显著地增强了催化剂表面酸性、增大了表面酸量及O〓吸附量、促进了光生电子和空穴的分离及界面电荷转移,具有可逆吸附水的性能,是SO〓〓/TiO〓超强酸催化剂具有优异的光催化氧化活性、很好的活性稳定性及抗湿性能的重要原因。

The apparent quantum efficiency of SO〓〓/TiO〓 was 10 times of that of TiO〓 catalyst for the photocatalytic degradation of bromomethane. Therefore, the SO〓〓/TiO〓 superacid catalyst is promising for practical application in environmental remediation.It was found that both L and B acid sites exist on SO〓〓/TiO〓 photocatalyst while only L acid sites on TiO〓 photocatalyst. On the basis of experimental results, the synergistic model of superacidic centers was proposed for SO〓〓/TiO〓 photocatalyst to explain the photocatalytic behavior and the mechanism of superacidifing effects, assuming that the adjacent L and B acid sites induced by SO〓〓 comprise cooperatively the superacidic center on superacid photocatalyst. The group cooperation of the superacidic center could strengthen the surface acidity, increase surface acid sites and the adsorbtion of O〓, promote separation of photogenerated electron-hole pair, enhance the interfacial transfer of charges and reversibility of water adsorption. Consequently the excellent photocatalytic activity, reaction stability and resistibility to humidity of SO〓〓/TiO〓 superacid photocatalyst may attributed to the group cooperated effect of the superacidic center on the photocatalyst.

研究结果表明:SO〓〓与TiO〓表面的结合为螯合式双配位结构;TiO〓光催化剂表面经H〓SO〓浸渍处理后,提高了表面酸性,改善了催化剂结构和光催化性能,当H〓SO〓浸渍浓度为1.0mol.L〓、烧结温度为450℃时,可制得SO〓〓/TiO〓超强酸催化剂(H〓<-12.14),其结构和光催化活性得到明显改善,与TiO〓相比,SO〓〓/TiO〓光催化剂的锐钛矿含量高、晶粒小、BET比表面积大、孔径分布集中、光谱吸收边蓝移,具有优异的光催化氧化活性、稳定性及抗湿性能,光催化降解溴代甲烷的表观量子效率比TiO〓催化剂提高了一个数量级,是一种有实际应用前景的高效光催化剂;由此提出了SO〓〓/TiO〓超强酸催化剂表面集团协同作用的超强酸中心模型,认为在SO〓〓/TiO〓超强酸催化剂表面,由SO〓〓诱导的相邻L酸中心和B酸中心组成了集团协同作用的超强酸中心,其集团协同作用显著地增强了催化剂表面酸性、增大了表面酸量及O〓吸附量、促进了光生电子和空穴的分离及界面电荷转移,具有可逆吸附水的性能,是SO〓〓/TiO〓超强酸催化剂具有优异的光催化氧化活性、很好的活性稳定性及抗湿性能的重要原因。

Based on the analysis and comparison of various methods of mensuration of effective ingredients of indigowoad root,phenol-vitriolic colorimetry has been choosen to be the method of mensuration of amylose in indigowoad root, and standard amylose graph has been made,in which c=22.476A+0.5309, correlation rate r=0.9970; Direct colorimetry has been choosen to be the method of mensuration of indigotin and Indirubin,and based on all above,the maximal absorb wavelenghes of indigotin and Indirubin have been determined through experiment.

在分析比较各种板蓝根有效成分测定方法的基础上,选用苯酚-硫酸比色法作为板蓝根多糖的定量测定方法,作山了多糖的标准曲线:c=22.476A+0.5309,其相关系数r=0.9970;选择直接比色测定法作为靛蓝、靛玉红的测定方法,并在此基础上通过试验确定了靛蓝、靛玉红的最大吸收波长及显色稳定性。

The state's colleges are much cheaper than the national average, but they are creakier and struggle to compete for the best teachers and students.

国立大学的学费比全国平均水平还要便宜,但是他们不仅硬件设施比平均水平还差,还要很艰难地争取留住最好的教师,吸收最好的学生。

Green eggs with a shell of the egg is different from other nutritional content and structure of the green shell of the egg yolk than Cao Ji 8% of the large egg yolk, egg white thick, easily digested and absorbed by the body, egg yolk pigment Roche up to 13 About class (ordinary egg yolk pigment Roche for the general level 4 -5), lecithin, a living -A, B, E, amino acid content than the 5-10 times higherthanordinary eggs, the yolk of the egg ball ammonia β White and γ-globulin were higher than other kinds of chicken, the best is good tonic, Green Egg high-quality, nutritious, high-selenium, high zinc, high-PC PE, high Amino acid, high-vitamin A, E, the high non-saturated fatty acid, low-fat, low cholesterol, high Flavin light, the lightpigment αβγ and unknown immune globulin antibodiesanddiseaseresistantfactorisextremely desirable Health food, the scientists as "the ginseng eggs."

绿壳蛋具有不同于其它蛋品的营养结构和含量,绿壳蛋的蛋黄比草鸡蛋黄大8%,蛋清稠,极易被人体消化吸收,蛋黄色素可达罗氏13级左右(普通鸡蛋的蛋黄色素一般为罗氏4级-5级),卵磷脂、维生素A、B、E、氨基酸的含量比普通鸡蛋高出5-10倍,蛋黄中的氨β球蛋白和γ球蛋白均高于其它鸡种,是上等滋补佳品,绿蛋蛋品质高,营养丰富,含高硒、高锌、高卵磷脂脑磷脂、高氨基酸、高维生素A、E、高不饱合脂肪酸,低脂肪、低胆固醇、富含光黄素、光色素αβγ球蛋白和未知免疫抗体和抗病因子,是极为理想的保健食品,被科学家誉为&鸡蛋中的人参&。

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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.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力