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- Biodiversity assessment index 生物多样性评价指标
- The recent Global Biodiversity Assessment of the United Nations Environment Program (UNEP) has identified four major causes of the present decrease in biodiversity,and a fifth,which may yet prove to be important. 联合国环境规划署近来对全球生物多样性进行了评估,已经确定目前生物多样性下降的四个主要原因,并且可能还证明了第五个方面也是重要的。
- The recent Global Biodiversity Assessment of the United Nations Environment Program (UNEP) has identified four major causes of the present decrease in biodiversity, and a fifth, which may yet prove to be important. 联合国环境规划署近来对全球生物多样性进行了评估,已经确定目前生物多样性下降的四个主要原因,并且可能还证明了第五个方面也是重要的。
- The suitability assessment index system of reverting farmland in middle and lower reaches of Tarim River. 塔河中下游退耕适宜性评价的指标体系及其权重。
- Study on ecological environmental quality as assessment index system of Xinjiang. 新疆生态环境质量评价指标体系研究。
- Various of water's biology stability was studied, and the assessment index of AOC-T was established. 对各种贮存饮用水的水质生物稳定性进行了研究,建立了贮存饮用水AOC-T生物稳定性评价指标体系。
- Based on the actual status of the coal mine,the safety assessment index system of mine is established. 结合煤矿的实际情况,建立了矿井人-机-环境系统安全评价指标体系。
- Title: The suitability assessment index system of reverting farmland in middle and lower reaches of Tarim River. 关键词:塔里木河;退耕适宜性;评价体系;层次分析法;指标权重
- Finally ,the article proves operability of the assessment index system by a concrete case. 最后通过具体案例验证该指标体系的可操作性。
- Analytic hierarchy procedure was used to determine the weighing values for assessment index of engineering materials. 摘要引入层次分析法,研究工程材料评价指标权重的确定。
- Methods The extr action rate of extactum as well hesperidin was choosen as the assessment index i n the WeiDongLi Capsule. 方法以出膏率、橙皮苷的提取率为评价指标,选择水量(倍)、提取时间(小时)、提取次数为考察因素,利用正交实验确定了胃动力胶囊的水提取工艺。
- A estimating method of relative impact potentials (RIP),an assessment index based on the ecological toxicological model,was introduced. 以相对影响潜值作为基于生态毒理学模型的性能评估指标,并估算相对影响潜值;
- Finally, the new assessment index is compared with classical peak signal noise ratio (PSNR) and the result is satisfied for human subjective sensation. 最后,通过试验证明了这种新的评价指标比传统的峰值信噪比(PSNR)更加接近人们的主观视觉感受。
- METHODS: To adopt the multifactor and multilevel uniform design to optimize the preparation prescription,disintegrating time as the assessment index. 方法:采用均匀设计试验法,以片剂崩解时限为指标,筛选灯盏花素口腔崩解片的最佳处方。
- Methodology of comprehensive biodiversity assessment 生物多样性综合评价方法研究
- The urban comprehensive competition assessment index is improved.All levels target proportion coefficient is amend by using entropic technique. 摘要对城市综合竞争力评判指标进行完善,且采用精技术对各级指标权系数进行修正,提高了该方法的科学位和合理性。
- Through analysis of the explosion peculiarity, sort, risk assessment index of explosive and exploder, and impact of blast as well, the difficulties during operation are present. 通过对爆炸性危险环境区域的划分,防爆电气设备的种类和特点的介绍,从而详细的阐述了爆炸危险场所的电气设备选型。
- The paper employed DEA to evaluate the bid items of building engineering. And set up assessment index and the model. The actural calculation is carried out. 提出了运用DEA方法评价建设工程投标项目,建立评价指标及模型,并进行了实际测算。
- The risk from man-made destructions(typically terrorism attacks) is included in the range of major hazard installation assessment, and existing assessment index system is . 将人为破坏(恐怖袭击)引发事故的风险纳入重大危险源风险评价的研究范畴,对现有的评价指标体系进行了改进。
- Method The orthogonal test was used to optimize the preparation process of Herba Sarcandrae Buccal Tablet,palatability and dissolution time as the assessment index. 方法采用正交试验法,以含片的口感和溶出时限为指标,对含片的制备工艺进行优选。