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Dongmei Xiao, Shigui Ruan, Bogdanov‐Takens bifurcations in predator‐prey systems with constant rate harvesting, Fields Inst. Commun., Vol. 21, Amer. Math. Soc., Providence, RI, 1999, 493–506

Dongmei Xiao ·Shigui Ruan Global dynamics of a ratio-dependent predator-prey system Received: 27 April 2000 / Revised version: 20 February 2001 / Published online: 21 August 2001 – c Springer-Verlag 2001 Abstract. Recently, ratio-dependent predator-prey systems have been regarded by some

2011年2月17日 · Exchange bias (EB) is usually observed in systems with an interface between different magnetic phases after field cooling. Here we report an unusual phenomenon in which a large EB can be observed in Ni-Mn-In bulk alloys after zero-field cooling from an …

The ruan (Chinese: 阮; pinyin: ruǎn) is a traditional Chinese plucked string instrument. It is a lute with a fretted neck, a circular body, and four strings. Its four strings were formerly made of silk but since the 20th century they have been made of steel (flatwound for the lower strings).

2022年4月29日 · Xiao Ruan or Small Ruan: This instrument is from China, has four strings and creates a beautiful soft sound. Whenever I travel to a new country, I search for a musical instrument to add to my...

2021年4月1日 · Interface stability dominates cyclability of rhombohedral Prussian blue analogues. Low-cost semi-solid state sodium ion battery is designed. Charming lifetime of 4000 cycles can be obtained for Prussian blue analogue (PBA). Polymerization of fluoroethylene carbonate is triggered by 5 wt% AlCl 3 Lewis acid.

Xiaojun Ruan is a professor in the Computer Science department at California State University - East Bay - see what their students are saying about them or leave a rating yourself.

老板娘闻声走出，后背靠住墙面，两道雾眉高高挑起，眼睛瞪得圆溜溜，鼻翼翕动，嘴巴一张一合，语速快得像连环炮，“你今年不是25岁，是5岁吧？ 出门送个外卖而已，难道路过景阳冈了？ 怎么跟上山打老虎似的，以后走之前，是不是你还得先灌几碗酒，壮壮胆，然后再去送外卖啊？ “我不是！ 我没有！ 你听我解释……”外卖小哥委屈巴巴，快速走上前，身体前倾，一股脑儿地讲起来，绘声绘色。 “请问，有多余的外卖工作服吗？ ”池先声听外卖小哥说完，站起身，走到吧台 …

High Quality Xiao Ruan Instrument Chinese Moon Guitar Ruan With Accessories 小阮