Control impact of rice-duck ecological structure on harmful biotic community of rice fields

Which is, does it make us better citizens of the biotic community?

也就是，它能使我们在这个生物群体中变的更好吗？

In this article, intercomparsion of several different vegetate materials was discussed from contaminations release, growth potential, biotic province and improvement effects of water environment.

从物质释放、植物生长势、生物区系和水质改善效应四个方面考虑对不同基质材料进行了比较实验研究。

Dimethylsulfide ( DMS), the most important volatile sulfur compound in the oceans, is the main source of sulfur to the atmosphere and plays a key role in the interaction between marine biota and global climate change via the formation of atmospheric aerosol and cloud condensation nuclei.

DMS是海洋中最主要的挥发性有机硫化物，对全球气候变化和环境酸化产生重要影响。

A phasic alternation of marine biota from Late Ordovician to Early Silurian and the geological age of the Guanyinqiao formation

扬子区晚奥陶世到早志留世海洋生物群的阶段性更替及观音桥组的时代

Study on the Numerical Simulation of Radiation Nuclide Mass Field and Radiation Dose for Marine Biota in Daya Bay

大亚湾放射性物质场数值模拟和海洋生物辐射剂量的研究

UNESCO has named this region a biosphere reserve, so sustainable development and conservation are key.

教科文组织命名这一区域为生态保护区，所以可持续发展和养护是关键。

International Man and Biosphere Reserve Network

国际人与生物圈保护区网络

The biosphere reserve concept provides a trajectory to the solution of this issue.

生物圈保护区的概念为解决这一问题提供了重要思路。

The Prospect of Implementation of "Madrid Action Plan" for Chinese Biosphere Reserve Network

中国生物圈保护区网络贯彻马德里行动计划的展望

Formation and development of biosphere reserve zones concept, as well as its characteristics in function and structure

生物圈保护区概念的形成与发展及其功能和结构的特点

Study on Tourism Product Development in Shennongjia Biosphere Reserve

神农架生物圈保护区旅游产品开发研究

Application of Coaxial Core Biopsy Needle in CT Guided Percutaneous Abdominal Biopsy

同轴活检穿刺针在CT导向腹部病变穿刺活检中的应用

Application value of spiral-edged biopsy needle in diagnosing bone tumors

螺旋刃活检针在骨肿瘤诊断中的应用价值

Application of spring core biopsy needle under CT guidance for percutaneous pulmonary biopsy

弹簧芯状活检针在CT引导经皮肺穿刺活检中的应用

Study on multifunctional peritoneal biopsy needle and its clinical application

多功能腹膜检查针的研制及临床应用研究

Clinical application and characteristics of a new of type biopsy needle

新型活检穿刺针的特点及其临床应用

The transrectal puncture guided by this scanning method was suitable for guiding a thick needle as a tru-cut biopsy needle or a thin needle as an aspiration needle.

通过这种超声方法引导做经会阴的前列腺穿刺既适用于引导一种粗的Tru&Cut型活检针，也适于一种细的负压抽吸针。

Among 73 mixed lesions, the bone biopsy needle alone was used in 49 cases, biopsy gun alone in 14 cases, and both in 10 cases.

73例混合性病变，49例采用骨活检针取材，14例采用软组织活检枪取材，10例采用联合用针取材。

Patients with pleural thickening, adhesion and encapsulation, visceral layer pleural biopsy by forceps pleural biopsy trocar is a kind of simple, safe and effective way.

具有胸膜增厚或胸膜粘连、胸水分隔包裹性胸腔积液患者，应用钳式胸膜活检套管针进行脏层胸膜活检是一种简单、安全和有效的胸膜活检方法。

The univariate analysis showed that the significant influencing factors were types of biopsy forceps, degree of bile ducts dilation, length of obstructive segment, lesion invasion and balloon dilation ( P < 0.05).

单因素分析得出活检钳类型、肝内二级胆管的扩张程度、阻塞段长度、球囊扩张前后活检和胆管壁浸润对PTC胆道活检敏感性有影响（P<0.05）。