利用EXCEL进行工资核算和工资条的制作

利用EXCEL电子表格软件来处理工资核算和工资条的制作，主要利用EXCEL的函数功能计算非原始型工资项目的计算，解决了不同单位不同标准下工资项的计算问题，极大地方便了财务部门的工资核算。在此基础上对工资表制作利用“分类汇总”和“筛选”功能制作了工资条，还可以直接按部门“筛选”发放工资．     

多站差分RTKGPS技术在海岸风沙观测中的应用

根据海岸风沙运动的特点和单站差分RTKGPS的特点,提出了应用多站计算7个参数Δx、Δy、Δz、Ωx、Ωy、Ωz和K的坐标平滑处理技术和求解高程异常值ζ进行曲面拟合的多站差分RTKGPS技术,并对海岸风沙观测点的高程进行实际测量,选取186个观测点的结果与传统的水准测量观测出来的结果进行比较,其高程误差范围在0.6～1.0 mm之间。表明多站差分RTKGPS技术的测量精度能满足海岸风沙观测的精度要求。     

抛物线形沙丘与油蒿灌丛之间的动态关系

库布齐沙漠南缘广泛分布的油蒿灌丛与风沙相互作用后形成抛物线形沙丘,同时沙丘上的油蒿经历侵入、萌发、发育及衰亡的生命过程.2009年的地面测量及2005,2007,2010年的遥感监测数据显示:2005~2010年间,抛物线形沙丘顺风向东移的同时南北向扩展;油蒿灌丛分布于沙丘外侧坡面、两翼脊线和两翼间的平坦区,其生长及衰亡与沙丘弧顶段的东移和两翼外扩呈动态相关.抛物线形沙丘弧顶段内侧坡脚逐年东移为两翼间平坦区的油蒿提供了生长空间,导致油蒿群落以年龄、大小和盖度等差异为表征的分带性分布.两翼脊线上的油蒿灌丛捕获来沙后形成灌丛沙堆,其确保了沙丘两翼始终保持一定的高度,是维持抛物线形沙丘的关键因子之一,但随两翼缓慢外移,其相对位移至沙丘内侧坡面继而遭受风蚀直至消亡.沙丘外侧的油蒿灌丛使外侧坡面形态趋于稳定,同时沙埋作用又使弧顶段脊线处的油蒿灌丛逐渐消亡.     

利用改进的扩展tanh函数方法求解非线性发展方程(组)的行波解

基于一变系数Riccati方程及其解,在内行波变换和指数变换的辅助下,提出改进的扩展tanh函数方法及其算法.该方法对构造非线性发展方程(组)的精确行波解方面比tanh函数方法和各类扩展tanh函数方法更强劲.以Broer-Kaup方程组和近似长水波方程组为举例,得到包括三角周期波解、孤立波解、复杂波解和有理函数解等丰富有趣的行波解.该方法简洁有效,可适合应用于其它非线性发展方程(组).     

五种抗氟中草药复方的药效比较研究

为了筛选在临床上可以有效防治动物氟中毒病的复方中草药制剂,本研究分别对前期研究的复方当归散基础组方加以改进,拟定出5种组方,并进行了抗氟作用研究。试验期间跟踪观察氟斑牙发生情况,测定骨氟含量以及血浆、肝、肾的总抗氧化力(T-AOC)、总抗氧化物歧化酶(T-SOD)、过氧化氢酶(CAT)、谷胱甘肽过氧化物酶(GSH-Px)活力和丙二醛(MDA)含量,建立阳性组氟中毒模型,筛选较为理想的抗氟复方当归散。结果表明:阳性对照组成功复制出氟中毒模型;各给药组药效比较结果表明,抗氟复方当归散Ⅱ较其它组方更能显著降低骨氟含量,较好地抑制大鼠体内的脂质过氧化过程,提高大鼠抗氧化酶活性。     

Characteristics of surface runoff in a sandy area in southern Mu Us sandy land

To better understand the key role of biological soil crusts (BSCs) in redistribution processes of limited water resources in semi-arid sandy ecosystems, surface runoff over BSCs in a sandy area in the southern Mu Us sandy area was observed in this study. The results indicated that runoff occurred twice among six rainfall events during the experimental period. Runoff yields varied among types of BSCs, and that they increased in the following order: light algae crusts, dark algae crusts and moss crusts. These findings showed that runoff yields were increasing with the development of BSCs. The percentage of runoff in individual rainfall events increased from light algae crusts to moss crusts, which indicated that the redistribution ratios of different types of BSCs differed. Surface runoff of BSCs may be influenced by rainfall, rain intensity, degree of water saturation of the BSCs before the rain and degree of development of BSCs. Formation of BSCs on the surface of sand dunes changed the spatial distribution pattern of water in this semi-arid sandy ecosystem, which increased the heterogeneity of resources such as water and nutrients. Therefore, making appropriate disturbances of BSCs during storm season is beneficial to maintaining the balance of natural resources in the semi-arid sandy ecosystem.     

Characteristics of stemflow for sand-fixed shrubs in Mu Us sandy land, Northwest China

Little work has been done on stemflow for desert shrubs in China. This study measured stemflow in two shrubs of Salix psammophila C. Wang et Chang Y. Yang and Artemisia sphaerocephala Krasch in Mu Us sandy land and established a relationship between stemflow and canopy characteristics, rainfall amount and intensity. During the experimental period, the amount of stemflow for S. psammophila and A. sphaerocephala accounted for 7.6% and 2.7% of the gross rainfall respectively. Statistical analysis showed that there was a significant positive linear correlation between rainfall and stemflow for the two shrubs; while the relationship between stemflow percentage and rainfall suggested that there existed a rainfall depth threshold of 3-5 mm for S. psammophila and 5-7 mm for A. sphaerocephala. Stemflow percentage positively increased with rainfall depth increasing before the rainfall depth threshold values had been reached but showed stability after the threshold. A stepwise regression analysis suggested that the shrubs with more branches, larger crown volume and smaller branch angle inclination tended to collect more volumes of stemflow. Moreover, stemflow amount and percentage increased with the maximum rain intensity increasing in 10 minutes （l10） and the stemflow percentage tended to increase quickly with l10 when it was less than 3.0 mm h^-1 for S. psammophila and 2.0 mm h^-1 for A. sphaerocephala, and then showed stable trend with increasing of 110.     

沙丘地貌形态监测与模拟研究进展

沙丘地貌形态监测与模拟是风沙地貌学重要的研究内容,对其研究有助于评估沙地景观对气候变化、人类活动的响应,以及沙漠化正逆发展程度.本文对国内外沙丘的形态监测发展历史进行了简要回顾,就沙丘形态监测与模拟研究做了扼要评述,并对目前研究中存在的问题及今后研究的方向进行了探讨.     

科尔沁沙地范围确定及风沙地貌特征研究

科尔沁沙地范围的界定,目前尚未达成共识.本文利用Landsat8OLI影像和ASTER GDEM数据,采用水系流域分割方法,划定科尔沁沙地的自然地理范围.并提取了各类沙丘分布信息,对沙丘格局特征和形态示量做了定量研究.结果表明,科尔沁沙地面积64 387.22km2,风沙覆盖面积37 381.00km2.风沙地貌分布及格局具有一定规律性,沙丘类型自西向东、自南向北趋于简单,并主要分布在西辽河干、支流沿岸的冲积平原上,不同河谷形态、走向其两侧沙丘发育呈现差异性,河流对沙地发育演化及维持其平衡态具有重要意义.