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For example, in bondid hygrogram, the absolute humidity bleaching Board for up to 6%, and the absolute unbleached kraft paper up to 7.5% humidity.

例如,在相的湿量下,不染黑纸板的绝差湿量可达6%,而未不染黑牛皮纸的绝差湿量可达7.5%。

Next the difference of the arithmetic means on the log-scale between the two conditions is computed. The current approach implicitly assumes that the expression levels follow the log-normal distribution and is the maximum likelihood estimate of the fold change.

通常计算相对表现量的方法会将不同浓度晶片的基因表现量做对数转换(底数为2)再进行相减;换言之,相对表现量先决条件是预设呈一对数常态分布并用最大概似估计法估计。

To accelerate the widespread of Synchronous Chip Seal and improve the operation quality of Synchronous Chipsealer, key techniques which influence the operation quality is studied detailedly, including the control of distributing quality, the dynamics characteristics of hydraulic system and the spray characteristics of asphalt nozzle of Synchronous Chipsealer.1 The factors which influence Synchronous Chip Seal quality are studied. Fiducial probability of simultaneous distribution density is advised to be used in evaluating the distribution bias and standard deviation of asphalt and aggregates simultaneously, which is more advanced than the single index evaluation method used before.2 The volume efficiency formula of asphalt pump is revised after analyzing the data of volume efficiency with mathematical statistics, which is helpful to match the asphalt spray system and control the flow out of asphalt pump accurately. With equation deduction and experiment, dynamic of hydraulic system used in Synchronous Chipsealer is studied, which lay the theory foundation on improving the stability and efficiency from design and controlling.4 Simulation on hydraulic system used in Synchronous Chipsealer is done with AMESim; the results indicate that multi-circle parallel connected hydraulic system with constant pressure power is better than that with load-sensing pressure power at present, because the latter will oscillate when the multi circles work at the same time. This conclusion has been proved during the debug of Synchronous Chipsealer.5 Asphalt nozzle characteristics, such as flat jet shape, flow distribution, are studied with experiment, the results indicate that cross quality of asphalt distributing is not increased linearly follow the increase of fan overlap level, the best point usually exists between two whole overlap level, asphalt distributing quality is better than±4% at the 2.5 overlap level, meets the superior specified in standard; The distribution quality of Synchronous Chipsealer can be increased by spray asphalt of different flow rang with nozzle of different diameter

为了加快同步碎石封层技术的推广,提高同步碎石封层设备的作业质量,本文对同步碎石封层设备作业质量的影响因素与控制方法、液压系统的动力学特性和沥青喷嘴的喷洒特性等关键技术进行了深入细致的研究:1研究了影响同步碎石封层作业质量的因素,提出了采用联合密度分布置信概率对同步碎石封层中沥青洒布量和碎石撒布量的系统偏差和标准差指标进行综合评价的方法,克服了传统评价方法只能对单一指标进行评价的缺陷;2采用数理统计的方法,研究了沥青泵的容积效率特性,修正了沥青泵容积效率公式,为沥青喷洒系统的匹配和沥青泵出口流量的精确控制提供了依据;采用数理方程推导与试验相结合的方法,研究了同步碎石封层设备液压系统的动力学特性,为从设计和控制的角度提高同步碎石封层设备液压系统的稳定性和效率奠定了理论基础;3运用AMESim软件对采用负载敏感控制和恒压控制的两种同步碎石封层设备液压系统进行仿真,结果表明:负载敏感控制的并联液压系统在多回路同时工作时,由于液压泵排量控制参考压力不稳定,容易引发液压系统振荡,恒压控制的并联液压系统是目前技术条件下比较理想的同步碎石封层设备工作装置驱动方案;该结论亦通过同步碎石封层设备装机试验得到了验证。4采用试验的方法对沥青喷嘴的喷洒特性进行了研究,结果表明:沥青洒布的横向精度并不是随着喷洒扇面重叠度的增加线性增加,其最高点通常出现在二个重叠度之间的"半重叠位置","2.5重叠"洒布时,沥青的横向洒布精度≤±4%,可以达到国家相关标准中的优级标准;同步碎石封层设备还可以根据不同洒布量情况下的流量需求,采用不同通径的喷嘴进行喷洒,提高沥青洒布精度。

The influence of each condition on the reaction speed and yield was studied, and the optimal conditions were: the ratio of the amount of substance of aromatic amine and heptafluoro-isopropyl iodine was 1:1.1~1.5, the amount of substance of sodium dithionite, sodium bicarbonate, aniline compounds were respectively 1.1~1.3, the amount of substance of phase transfer catalyst TBAB and aniline compounds was 0.05~0.1, the concentration of aniline compound was 0.5~1.0 mol/L, reaction temperature was 10~20 ℃, and the solvent was aether.

最佳结果为:芳胺与七氟异丙基碘的物质的量比1:1.1~1.5,连二亚硫酸钠、碳酸氢钠与苯胺的物质的量分别为1.1~1.3,相转移催化剂四丁基溴化铵与苯胺的物质的量比在0.05~0.1,溶剂总用量使苯胺浓度在0.5~1.0 mol/L;反应温度10~20℃;溶剂采用乙醚。取代基供电子性越强,反应时间越短,产率越高;氨基的对位优先反应,氨基的邻位较难发生反应;且七氟异丙基总是优先取代在芳环电子云密度较高的位置上。

First scanning the known handwriting materials then number them ,In pretreatment, we convert the valid part of the image into a standard size, as images carries out duotone and go throw off chirp handling in order to achieve better effect.draw features from the known handwriting materials with the Co-occurence,especially,we divided a copy of handwriting into 25 little pieces with the size of 128*128 ,drawing features from every little piecese with four directions(0 degree, 45 degrees, 90 degrees as well as 135 degrees) and calculate the four major feature values( veins and the statistical quantity of veins contrast and the statistical quantity of veins consistency Shang the statistical quantity of statistical quantity as well as the veins correlation of gray scale ), preservation all the feature value that drawn from all known ma terials to the handwriting characteristic database,then input the unknown handwriting materials, also using the method of the Co-occurence to draw those features, recycling the minimum European Distance law match the unknown writing material feature value with the handwriting characteristic feature database, export the label of the known hand writing materials which is most similar to the unknown material with minimum European Distance, and then we can confirm who is the author of the unknown material.

首先将笔迹材料作为图象扫描输入,并对其进行编号。预处理部分可将笔迹图象的有效部分规范化到一个统一尺寸,接着对其进行二值化和去除噪声的处理,以便于更好的提取图像的特征。在此我们采用了灰度共生矩阵法提取手写笔迹材料的纹理特征,与以往有所不同的是,我们将一份手写材料分割成64块大小为80*80象素的子图象,每个小块都从四个方向(0度、45度、90度以及135度)来更全面的提取特征,并计算出四个最主要的特征值(纹理一致性的统计量、纹理反差的统计量、纹理熵的统计量以及纹理灰度相关性的统计量),将从所有已知材料提取的特征值保存到纹理特征库中,对于待检手写材料,同样采用灰度共生矩阵的方法提取其纹理特征,再利用最小欧氏距离分类法将从待检手写材料中提取的特征值与纹理特征库中的特征值进行比对,与欧氏距离比对值最小的相匹配,输出匹配成功的原材料的标号,进而识别出待检材料书写者的身份。

The results showed that there were different natural sedimentation in the rearing ponds, with or without fish, either fed or not. Compared with the non-stocking ponds, the quantity of new particle formation and the sediment formation in rearing pond was 15.63% higher and 19.49% lower in the ponds with fish when same quantity feed was introduced. In the unfed condition, however, s...

试验结果表明:无论养鱼或未养鱼,投饲或不投饲,各池均发生不同程度的沉积;外源饲料输入量相同时,养鱼池新颗粒物生成量比未养鱼池大15.63%,而沉积量比未养鱼池小19.49%;无外源饲料输入时,养鱼池的沉积量比未养鱼池大75.76%;养殖系统内养殖对象与其所处环境的相互依存和相互制约对系统新颗粒物生成及沉积具有重要作用。

The optimum condition was determined via orthogonal experiments, and the result shows that the technology of bile extraction and purification adopts 10L chromato bar with 3L bile, gel silica as fixed phase, the mixed chloroform and isopropanol as mobile phase, gradient elution with mobile phase (the mobile phase ratio in extraction of cholalic acid and glycocholic acid is 4:1 , and then becomes 3:2 in extraction of glycocholic acid and glycocholic acid), and eluting velocity of 3~5mL/s .

采用正交试验筛选了柱层析最佳条件,以容积为10L的层析柱进行分离纯化,固定相为硅胶,流动相为氯仿和正丁醇混合溶剂,一次装样量3000mL胆汁,流动相采用梯度洗脱,先按4:1比例分离胆酸和甘氨胆酸,然后按3:2比例分离甘氨胆酸和牛磺胆酸,流动相洗脱速度为3~5mL/s。

By solving for dense phase zone and rarified phase zone heat balance equation obtained are the dense phase zone and rarified phase zone outlet incineration temperature as well as the formula for calculating auxiliary fuel consumption and incinerator efficiency .

通过求解密相区,稀相区热平衡方程,求得密相区和稀相区出口的焚烧温度,以及辅助燃料耗量和焚烧炉效率的计算公式,为设计流化床废液焚烧炉奠定了理论基础。

It is found that the microstructure of alloy is consisted of two phases, a main phase of V based solid solution phase, and the second phase of Laves phase. The alloy has remarkable hydrogen storage properties at room temperature and 353 K, the maximum hydrogen desorbing capacities are 3.11 wt% and 2.31 wt%, respectively.

研究发现:该合金为两相结构,主相为V基固溶体,第二相为Laves相;在室温和353 K时合金的放氢PCT曲线上有明显的压力平台,最大放氢量分别为3.11%和2.31%。

For the condition where both outlet states of cold plate are at superheated states, the mass flowrate for the fixed heating load is marginally higher than that of the smaller heating load, and the difference is insensitive to the rise of heating load. For this situation, the effect of accelerational pressure is negligible, and it is mainly attributed to two-phase/single-phase distribution pertaining to the effect of heating load.

若两冷板的出口均为过热状态下,固定热负载一端的流量会略多於施加瓦数较高的一端,且其差异量会随热负载不同而缓慢增加,在此一状况下,则加速度压降可以忽略不计,其原因在於单相/两相流在热负载下单相区与两相区所占的比重不同所致。

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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.

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