金华市特殊教育现状的调查研究

特殊教育是对残疾人的一种教育,是社会的人本、民主、公平的反映,是国家及其文明程度的一个窗口。通过对浙江省金华市七所特殊教育学校现状的调查与研究,了解到近几年金华市的特殊教育有很大的发展,但是在办学规模、地理位置、师资力量、硬件设施等方面还存在不足,影响了学龄残疾儿童的入学率与特殊教育的发展速度。故立足于金华市特教的现实问题,提出具有可行性的方法与对策,促进金华市特殊教育事业更好更快的发展。     

我国旅游电子商务的问题与对策研究

随着我国旅游的发展,旅游业和电子商务结合过程中出现了诸多问题,本文研究当前旅游业中电子商务的应用现状,分析其存在的主要问题,如旅游电子商务系统功能简单、公众对网络安全缺乏信心、以及电子商务人才匮乏等。并针对上述问题提出相关建议,以期提高我国旅游总体水平、提高我国旅游企业竞争实力。     

从养蚕和复原织机做起

丝绸来自蚕桑丝织,蚕桑丝织的起源在本质上是一项科学技术的创造发明。先人们栽桑养蚕,并让其吐丝结茧,巧织经纬将其织成锦绮,还用印花刺绣让虚幻仙境和真实自然在织物上体现。在这一过程中,就有着无数项创造发明的专利。如把野桑蚕驯化成为家蚕,是生物学史上的一项极难的成果,     

1609—1615年长江下游地区梅雨特征的重建

根据明代李日华的《味水轩日记》和项鼎铉的《呼桓日记》中有关浙江嘉兴地区的夏季天气、感应记录,重建了1609-1615年夏季嘉兴地区的降水序列,并确定其梅雨期的入梅和出梅时间。据此,对上述年份梅雨进行了分类,其降水在雨期开始、结束日期和持续时间等特征上与现代浙江北部地区的梅雨特征均存在一定差异。进而根据地方志中的旱涝灾害情况,分析了梅雨特征与长江中下游地区旱涝的关系,二者虽然有密切关系,但不是完全意义上的契合,甚至有些年份完全相反。这对于了解小冰期前期的梅雨活动和特征以及与长江中下游地区旱涝状况均具有重要意义。     

故宫藏清代松花石砚概述

一清宫皇帝御用的松花石砚1.清代康熙朝松花石嵌螺钿池砚（图1）。长18.5、宽12.6、高3.2厘米。砚为松花石制,长方形,呈绿色。砚面前端为砚池,池中嵌一螺钿。砚池四周凸雕流云海水山石,右侧雕一螭龙隐身于云海之中,取寿山福海之意。砚池下方为圆形砚堂。     

Construction of a quartz OSL standardised growth curve (SGC) for aeolian samples from the Horqin dunefield in northeastern China

It has been suggested that the standardised growth curve (SGC) method can be used to de-terminate D_e accurately and reduce the measurement time. However, different opinions regarding the applicability of the SGC method exist. In this paper, we report the construction of quartz OSL SGC for 35 aeolian samples from different parts of the Horqin dunefield in northeastern China, and then test their applicability for D_e determination. Our results suggest that: 1) up to a regeneration dose of 80 Gy, the SGC of the Horqin dunefield can be fitted using the exponential plus linear equation, with the r² value of 0.97, and all the regeneration dose points closely stick to the fitting line, implying that all samples share a very similar dose-response curve; 2) for samples with Des ranging from 1 to 50 Gy, the ratios of SAR D_e to SGC D_e fall within the range of 0.9–1.1, and the average ratio of SAR D_e to SGC D_e is 1.01±0.01, close to unity. Therefore, the construction of SGC is correct, and the SGC is an effective procedure for accurate D_e determination for samples from the study area.     

关于根敦群培二十七幅绘画作品的初步研究（英文）

<正>Although it was difficult,by dint of countless efforts,I made Illustrations unfolding various lands:The regions,houses,men and women,The various sorts of wondrous trees and flowers.dGe vdun chos vphel,the most outstanding twentieth-century Tibetan master of humanism,not only undertook extensive research into such academic fields as history,religion,language and geography,but also had significant achievements in the arts.He broadened the framework of traditional Tibetan art,studied and absorbed Western artistic     

Numerical Fragility Analysis of Vertical-Pile-Supported Wharves in the Western United States

This study develops seismic fragility curves for vertical-pile-supported wharves commonly found in the western United States. Nonlinear time-history analyses of a two-dimensional numerical model under two ground motion suites are performed. The results show that the jumbo container cranes increase by 10.8% in the wharf deck drift. By using the experiment-based limit states, the proposed fragility curves demonstrate that, at a PGA of 0.50 g, the probabilities of exceeding slight, moderate, extensive, and complete limit states are approximately 23.0%, 7.0%, 4.0%, and 3.0%, respectively, while at a PGA of 1.00 g, the exceeding probabilities increase to 44.0%, 19.0%, 14.0%, and 11.0%, respectively.     

Macro-Modeling of Reinforced Concrete Structural Walls: State-of-the-Art

During the past decades, various analytical macroscopic models of structural walls have been developed for simulating the seismic behavior of reinforced concrete (RC) walls. Due to the inherently complicated characteristics of RC walls, macroscopic models that can capture all the important response characteristics with good accuracy and applicability are very challenging to establish. A thorough review of the four main types of mathematical macro models of RC walls, i.e., the vertical-line-element-model, the 2-D shear panel element model, the equivalent truss model and the fiber-based model, is presented to discuss the methodology behind each model and examine the corresponding merits and disadvantages. Suggestions are also made for the further research of the macro modeling of structural walls.     

Testing the standardized growth curve (SGC) to OSL dating coastal sediments from the south Bohai Sea, China

It has been suggested that the standardized growth curve (SGC) method can be used to accurately determinate equivalent dose (D_e) and reduce measurement time. However, different opinions regarding the applicability of the SGC method exist. In this paper, we evaluated quartz OSL SGCs of marine and coastal sediments of different grain sizes and different cores in the south Bohai Sea in China, and tested their applicability to the determination of D_e values. Our results suggested as follows: (1) The SGC method is applicable to both multiple- and single-aliquot regenerative-dose (MAR and SAR) protocols of OSL dating and efficiently provides reliable estimates of D_e. (2) Finesand quartz of different palaeodoses showed highly similar dose-response curves and an SGC was developed, but old samples using the SGC method have large uncertainties. (3) For coarse-silt quartz, two different types of dose-response curves were recorded: low-dose (≤60Gy) and high-dose (≥100Gy). The growth curves of low-dose quartz were similar to each other, facilitating the use of SGC in D_e estimations, but errors tended to be larger than those obtained in the SAR method. For high-dose (100–300Gy) quartz, the SGC was also found to be reliable, but there was large uncertainty in D_e (>300Gy) estimation. We suggest that SGC could be employed for the dating of marine and coastal sediments dating using either MAR or SAR OSL protocol and either fine-silt, coarse-silt or fine-sand quartz.