分布规律

A large number of research results have been made on the sources,distribution, transport and transformation of polycyclic aromatic hydrocarbons in the natural environment.

本文概述了天然环境中多环芳烃的来源、分布和迁移转化规律。

This further indicated that when the acetic acid compound existed it could slow the growth rate of the particles of polysilicic acid, but total species distribution and its transformation model of polysilicic acid did not change.

乙酸化合物的存在，能够有效减缓硅酸溶液中聚硅酸颗粒物的生长速度，但聚硅酸的总体形态分布与转化规律的模式并没有因为乙酸的存在而发生根本的改变。

The results show that the effects of humidity on AC flashover voltages are remarkably different in different relative humidity ranges as a result of the differences of the predischarge type.

本文根据电场分布的计算结果及预放电类型随相对湿度的变化规律，分析了不同湿度区间内湿度对工频闪络电压的影响。

A total of 139 species in 40 genera are recognized in the Chinese pterophorid fauna at present,of which 18 species are described as new to science.

本项目首次对我国的羽蛾科昆虫区系进行全面、系统的整理和种类订正；查清我国羽蛾科昆虫目前共有40属139种，发表新种18个，并阐明它们在地理分布上的规律和特点；澄清分类疑点，完善分类系统；建立我国羽蛾科昆虫区系资料库。

With respect to the formation regular pattern of and the radial distribution of high capacity channel, the qualificative recognition is achieved only.

关于大孔道的形成规律及大孔道的半径分布基本上只有定性的认识，没有达到定量化的要求。

The results from the verification and analysis of dune moisture simulated data showed that the precision of root uptake rate was higher,and it was able to indicate the regularity of water uptake during the rainless period,the predicted moisture distribution curve in the dune profile during Nitraria tangutorum growth season by the use of mathematical model was basically consistent with the measured one.

沙丘水分动态模拟结果的验证与分析表明：根系吸水率精度较高，能较正确反映无雨时段根系吸水规律；用所建数学模型预测的白刺生长期沙丘剖面含水量与实测值分布曲线拟合较好。

Studies on the distribution and remobilization of nitrate in vegetable plants are important theoretical bases for decreasing nitrate content in vegetables and increasing nitrate use efficiency by plants.

硝酸盐在作物体内的分布及调配规律研究是降低蔬菜硝酸盐含量、提高植物体对硝态氮利用效率的基础理论问题。

A non-singular single integral mathematical model is adopted to calculate the external intermittent and alternative longitudinal magnetic field acquired by single axisymmetrical and cylindrical hollow coil t which is coaxial to electrode and excitated by a revisable pulsed current of square wave t in austenitic stainless steel GTA welding.

针对奥氏体不锈钢外加纵向磁场的气体保护钨极电弧焊接时，与电极同轴的单个轴对称空心圆柱线圈在双向脉冲矩形励磁电流作用下产生的间歇交变纵向磁场，采用无暇点单积分磁场的数学模型，对＊TAW焊接外加间歇交变纵向磁场进行了数值计算，该方法具有模型简单、计算速度快和精度高等优点并讨论了该间隙交变纵向磁场的分布、磁场的均匀性及其纵向分量与径向分量的比率等规律及其对焊接行为的影响，认为横磁分量将削弱GTAW外加纵向磁场的有利作用，影响磁控电弧的焊接质量

The object of this study is to conduct SAA process experiments and investigate the effects of the process parameters on particle morphology, particle size and particle size distribution respectively.

本论文对SAA过程进行了基础性的实验研究，掌握了过程操作参数对微粒形态、粒径及粒径分布的影响规律。

Computerized tomographyof cross-borehole electromagnetic is an advanced technology which successfully uses the principle of CT of medicine in geology. It reflects the physical parameter distribution in scenographic profile according the propagation of electromagnetic waves in lossy media and definite relation between physics and mathematics, finally gives the results by images.

地下井间电磁波法层析技术是一门新技术，它将医学CT的原理成功地运用于地学中，依照电磁波在地下有耗介质中传播规律及一定的物理和数学关系，反演透视剖面上的物理参数的分布，最后以图像的形式表现出来。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。