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The domain decomposition parallel iterative algorithm for the 3-D time-dependent neutron transport difference equation is presented in Chapter 5. This algorithm is highly parallelizable and scalable.

第五章研究了基于几何空间区域分解的三维非定态中子输运差分方程的并行迭代算法,该算法达到了多处理机并行的高并行度和可扩展性。

By collecting and treating the natural, social and economic conditions as well as other related information based on RS, GIS and other integrated technology. Analyzing the variance and division status of forest productivity, division of forest site, available quantities and natural quality of forest resources in Minjiang watershed. On the above researches, the evaluation was launched to the utilization suitability and adjusting of forest resources, which provided the stagy and technology about reasonably utilizing the forest resources in Minjiang watershed.

本文主要借助遥感和地理信息系统及其它集成技术,收集并处理闽江流域自然条件和社会经济状况以及相关资料信息,对福建省闽江流域森林生产力空间分异及分区状况、森林立地类型的划分、森林资源的可利用数量、自然品质等方面进行专题分析研究,在此基础上对闽江流域森林资源利用的适宜度进行评价和调整,为闽江流域森林资源合理利用提供决策和技术支持。

In this theory, we firstly introduce the basic theory of discrete wavelet transform and lifting scheme. Secondly, we adopt a fully pipelining VLSI architecture for lifting-based DWT. Hence, we can operate on higher working frequency. Besides, we merge a QCB-based DWT method to achieve the higher parallelism for JPEG 2000 encoding system. By changing the output timing of the DWT process, the internal tile memory size can be reduced by a factor of 4. Moreover, the architecture can efficiently perform shape-adaptive DWT and solve boundary extension and subsampling problems. Finally, according to the comparison results with other architectures, the efficiency of proposed architecture is proven.

在这篇论文中,首先我们介绍离散小波转换和提升式架构的基本理论,接下来我们改良提升式架构采用全管线化的硬体架构,因此我们可以操作在较高的工作频率,并且我们合并了以四个编码方块为基础的方式来使得JPEG 2000编码系统具有更高的平行度,藉著改变离散小波转换的输出时序,内部的记体体需求可以减少为原本的四分之一,接著此架构也可以有效地支援可适应形状的离散小波转换,同时解决了边界延伸和子取样的问题,最后根据与其他架构比较的结果,来说明所提出之离散小波转换架构的贡献。

Using the concept of soil-moisture-balance suggested in Palmer-drought-model for reference, daily available water content in upper and lower levels of soil is simulated with daily maximum temperature and rainfall data. Drought dynamic index, I, defined by AWC of lower level soil, with definite physical meaning and data acquirability, is presented in the paper, by which a drought course can be depict in detail, and how a drought course occurs and develops can be monitored and evaluated dynamically.

借鉴帕默尔早度模式中的土壤水份平衡概念,采用逐日气温和降水量资料,对土壤有效含水量(分上、下2层)进行了逐日滚动模拟,提出了以下层土壤有效含水量构建逐日干旱动态强度指数I(下标 D,该指数物理意义明确,实时资料可得,能够刻画干旱过程的丰富细节,实现对干旱发生、发展及其强度的逐日动态监测与评估。

In the course of establishing standard operating procedure, The temperature, time , the feasibility without decorticating and efficiency were investigated when alliinase was deactivated used a dry heating apparatus in tunnel type, but the efficiency can be achieved less than 70%, need to be improved; The reformative cribriform plate has been proved to be good in practice result in pulping enzyme-deactivated garlic without dehulling; The extraction efficiency achieved more than 90% when volumic ratio of 20% alcohol and water is 3 I 1 and 2:1 was adopted to extract alliin two times respectively; During exact filtration, the ratio of diatomite in precoating and filtration was 3% and 1% respectively, the losses of alliin adsorbed by diatomite in extraction solution were not remarkable. In the stage of alliin isolation by ion exchange resin, three simple and sensitive detected measures were successfully adopted to control the whole process; the efficiency of alliin isolation was similar to laboratory results; The alliin yield was over 50% in acidic fractions and the purity quotient of alliin achieved above 50% after drying; Furthermore, the phenomenon was found that losses of alliin were seriously affected by the temperature and time periods in concentration.

在制定中试生产标准操作规程中,考察了隧道式干热烘干机杀酶的温度、时间和效率,干热灭酶效率只能达到70%,待改进;改良的筛板使带皮打浆效果良好,证明非脱皮熟蒜打浆的可行性,减少了工序,降低了成本;提取过程中,20%酒精分别1∶3和1∶2提取2次,效率达90%以上;硅藻土板框过滤时,探索了精滤过程中提取液中预涂和过滤时硅藻土的比例分别为3%和1%,并考察硅藻土对蒜氨酸的吸附损失,滤液澄明度良好,蒜氨酸损失很少;在树脂吸附分离阶段,采用三种简便灵敏检测手段控制生产过程,分离蒜氨酸的效果与实验室一致,酸性流分中蒜氨酸收率可达50%以上,干燥后蒜氨酸纯度达50%以上;试验发现浓缩蒜氨酸洗脱液时温度和浓缩时间对蒜氨酸损失的具有很大影响。

CT characteristics: malignant GISTs mainly qualified as large size, inequable density, necrosis and cystoid changes in the center, unsmoothing and lobulated border lines, inequable reinforcement after enhanced CT scanning.

CT特征:恶性度较高的胃肠间质瘤CT表现为:肿块相对较大,密度不均,肿瘤中央坏死及囊变多见;肿瘤边缘多不光整,可呈分叶状。

Holographic hot gold foil is thin with hot stamping feature laser treatment for holographic foil, forming a 2-d, 3-d, dot-matrix, spiral-shaped, holograms and other images with high-gloss paragliders and may attract hundreds of thousands of color mistify that overcomes the ordinary form of blocking technology, poor quality, lack of security bugs such as the effect.

激平残息烫金箔是差具有烫印功用的薄箔举行残息激平办理,形不败二维、三维、点阵、旋状、分不败残息等图像,具有矮平泽、奼紫嫣红并可幻化万千的色彩,降服了别致烫金技艺活命步不天驳杂、质度不矮、充足不攻伪不败果等弊端。

The application of the extension engineering method in regionalization avoided the shortcomings of single indicator, such as the aridity or precipitation, and conduced to the consummation of the physicogeographical regionalization, the establishment of the eco-geographical regional system of China, and the further research on the transitional areas.

运用可拓工程方法,以综合考虑引起区域自然景观分异、变化的主导因子为出发点,解决了中温带半湿润、半干旱区界线划分问题,弥补了单指标(如仅考虑干燥度或降水量)在区域界线划分中的不足;有助于综合自然地理区划的进一步完善和中国生态地理区域系统的构建;也有益于对生态过渡带的深入研究。

Cent numerous medium, boat beautiful medium, China inspect medium 3 enterprises are in 2 years many to industrial overall arrangement is completed inside time and take the lead in appearing on the market early or late, its depth reason depends on domestic advertisement advocate the market to traffic of Lou Yu, aviation, city the approbating of domain of 3 new media is spent taller, assured to be able to expect ad thereby advocate amount and quality.

分众传媒、航美传媒、华视传媒三家企业先后在2年多时间内完成产业布局并率先上市,其深层原因在于国内广告主市场对于楼宇、航空、城市交通三个新媒体领域的认可度较高,从而保证了可预期广告主的数量及质量。

The harm extent of Dendrolimus tabulaeformis and D. spectabilis were analyzed by fourteen forest factors, from which four significant ones were selected: crown density, altitude, average diameter at breast height and MLP. MLP is a new parameter suggested in this paper. It is better than diversity index to the harm extent, and it can indicate some information on not only the under story plant species diversity but the forest environment. Using the four key factors a multiphase linear regression model was made for risk analysis of the harm extent of pine caterpillar.

该文首次提出了林下植物喜湿度参数MLP(Moisture-Loving Parameter),并用包括MLP在内的14个林分因子与松毛虫危害程度进行逐步回归分析,从中筛选出主林层郁闭度、海拔高度、油松平均胸径和林下植物喜湿度参数4个关键因子,与松毛虫危害程度之间均呈显著的负相关关系,并进一步用这4个因子与松毛虫危害程度建立多元线性回归模型,该模型可对松毛虫危害程度进行风险评估。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?