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It is shown a new way for fast implementation of CWT based on amplitude modulation techniques for generating wavelet chain.

该方法利用幅度调制技术产生波链实现波变换,为波变换的快速实现提供了新的途径。

Milankovitch orbit cycle consists of eccentricity, inclination and procession of equinoxes, which lead to palaeoclimatical cyclic transformation and form high frequency sequence, parasequence and beds with cyclic time of ten, four and two thousand years respectively.

米兰柯维奇天文旋回包括偏心率旋回、倾斜率旋回和岁差旋回,这几个轨道参数所驱动的古气候变迁,分别形成了周期为10万年(或40万年)、4万年及2万年的高频层序,即层序组、层序及层单元。

The gasification efficiency increased and the molar fraction of H2 decreased with an increase in the reaction temperature. The decomposition of PVA was more complete at higher temperatures. At 24 MPa, 500℃ and 120 s, the TOC remove rate, the carbon gasification rate and the hydrogen gasification rate were up to 71.46%, 67.97% and 157.24% respectively. A change in the residence time had no significant effect on the molar fraction of gas production but an increase in the residence time could enhance the gasification efficiency of PVA. It was found that the intermediates were mainly alkane, cycloparaffin, aromatic hydrocarbons, and low-molecular weight acids. It was supposed that PVA was degraded into small molecules through breaking of C-C bonds. Parts of the molecules were converted into H2, CO, CH4 and CO2 while some was converted into aromatic hydrocarbons.

过程探索发现:反应温度的升高能提高PVA气化效率,但气体产物中H2的含量随反应温度的升高有所下降;随着反应温度的升高,PVA分解趋于彻底,在压力24MPa、温度500℃、停留时间120s的条件下,TOC去除率、有机碳气化率和氢气化率分别达到71.46%,67.97%和157.24%;停留时间的变化对气体产物含量没有明显的影响,但延长停留时间能提高PVA的气化效率;PVA气化反应中间产物主要为链状烷烃、环烷烃、芳香烃及分子酸,根据中间产物出现的顺序推测PVA的降解为由C-C键断裂形成分子物质,这些分子物质一部分转化为H2,CO,CH4和CO2,一部分形成难降解的芳香族化合物。

In this research, the ~ and F2 of the crosses between a natural mutant 慪34?with super-minute grain and 慪38?with super-large grain,慡huhui 881擲huhui 527?with middle grain size were carried out to study the inheritance of the grain shape (grain length, grain width, grain thickness and grain length/width ratio) and 1000-grain weight. The main results are summarized as below:? The F1 grain length, grain width, grain thickness and 1000-grain weight of three crosses were lay between the two parents and tended to Y34, which indicated that those grain traits were all governed by the dominant effect of Y34 and influenced by both female and male parents. The differences of F1 grain length, grain width, grain thickness and 1000-grain weight of positive and negative crosses between Y38 and Y34 indicated the existence of cytogene effects.? The broad heritabilities of major grain traits were calculated.

本研究利用一份水稻极粒自然突变材料Y34与一份水稻极大粒材料Y38、两份常规籽粒大材料蜀恢881、蜀恢527的杂交F_1及F_2,对主要粒形性状(粒长、粒宽、粒厚、长宽比)及千粒重进行了遗传研究,根据遗传研究的结果利用微卫星标记结合F_2群分法对控制Y34短粒性状基因进行了分子标记定位,主要结果如下:●各组合F_1粒长、粒宽、粒厚和千粒重介于双亲之间且明显偏向于值亲本 Y34,这表明粒长、粒宽、粒厚和千粒重均主要受值亲本显性基因的控制并同时也受大值亲本核基因的影响。Y34与Y38正反交F_1在粒长、粒宽、粒厚、千粒重等性状上存在差异,表明存在细胞质效应。

Criterion GrD, modified by D'arcy law, is used to show the characteristic of natural convection in t...

高度H愈,G_r~D也愈,因而形成沟槽偏析的枝晶间液相对流也愈,对流的减有利于沟槽偏析的减轻。

The dog is small, but a man might be smaller than a Great Dane.

狗很,但人可能比大丹狗还

The air conditioner forced draft fan ventilates the way to have longitudinal and the crosswise two kinds generally, the lateral ventilation the air current overflow sectional area is big, the wind speed is small, easy to create the big area the dead angle, but longitudinal ventilates the air current the overflow sectional area to be small, the wind speed is big, the dead angle area is very small.

冷风机通风方式一般有纵向和横向二种,横向通风的气流过流断面积大、风速,容易造成较大面积的死角,而纵向通风气流的过流断面积,风速大,死角面积很。在使用条件许可的情况下,应该尽可能采用先进的纵向通风方式。

After excavation, the regularities can be found on landform characteristics and locations. In this paper the unloading phenomenon of Xiaowan is concluded into five types: step type, bend type, debark onion type, plate fracture type and floor heave type. Then the five types are analyzed by the methods of engineering geology and mechanics.

最终得到如下结论:①湾坝基开挖卸荷现象表现出多样性,并且在地貌特征和发生位置上具有明显的规律性;②结合河谷应力场特征,对湾坝基开挖卸荷现象进行分析,并相应地提出了剪胀、纵弯曲张裂、错动板裂和上拱张裂等力学模式,合理地解释了湾坝基开挖产生的卸荷现象;③板裂现象是高应力区发现的一种比较特殊的卸荷现象,它的产生需要比较苛刻的地质和力学条件。

Hsiao-Ting could connect each other with decimal symbol and picture representation of different context, but Hsiao- Sheng, Hsiao-Yu and Hsiao-Mei could not.

婷能将数符号与不同情境图像表徵做双向连结,而胜、宇和美不能完全将数符号与不同情境图像表徵做双向连结。

Secondly, brief to introduce Wavelet Transform definition. Mallat algorithm, two-dimensional wavelet decomposability of image and orthogonal wavelet decomposability. And the zero tree structure of image wavelet transform.

其次,简要介绍了波变换的定义、Mallat算法、图像的二维正交波分解以及图像波变换的零树结构。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。