Effect of HCO_3~- on growth characteristics and competitive behaviors of Microcystis aeruginosa, Scenedesmus quadricauda and Cyclotella sp.;
HCO_3~-对铜绿微囊藻、四尾栅藻和小环藻增长特性及竞争行为的影响
Effects of Temperature and Illumination on Growth and Chlorophyll-a of Cyclotella sp.;
温度、光照对小环藻生长和叶绿素a含量的影响
Effect of Fish Juice, Liquid Extraction from Sea Mud and Human Urine on Growth of Cyclotella sp.;
鱼汁、海泥抽出液和人尿对小环藻生长的影响
The parity-check matrix constructed through this method has a girth more than eight,which promises good performance.
提出了一种新的QC-LDPC码的几何构造法,通过该方法构造出来的码字,其校验矩阵的最小环长为8,有效地保证了码字性能。
Electrical characteristics and radiation characteristics of papery substrate small loop antenna were calculated and simulated.
以UHF(860~960 MHz)频段的RFID标签天线设计为背景,对以纸质基材为天线衬底的小环天线的阻抗特性和辐射特性进行了理论计算和仿真。
In this paper,the principle and influencing factors of small loop antenna loaded with reactive elements are investigated.
对电抗元件加载的小环天线的工作原理、设计参数及其对电性能的影响进行了研究。