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- On the basis of the results achieved above, the models for disease index and yield loss ratio and for disease index and weight per kilograin were established. 千粒重随着病情指数的增加呈下降趋势;并在此基础上组建了病情指数与产量损失率的关系模型;病情指数与千粒重的关系模型.
- On the basis of the results mentioned above, the model for disease index and yield loss ratio, disease index and the kilograin weight was established, respectively. 千粒重随着病情指数的增加呈下降趋势,并在此基础上组建了病情指数与产量损失率的关系模型,病情指数与千粒重的关系模型。
- Yield loss ratio 产量损失率
- Studies on Yield Loss and Dynamic Economic Threshold of Cowpea Aphid Aphis craccivora Koch on Cowpea, Vigna sp. 豆蚜危害豇豆损失率及动态经济阈值研究。
- Plant-parasitic nematodes cause heavy yield losses in many crops . 在许多农作物中,植物寄生线虫引起重大损失。
- Sharp eyespot of wheat is one of the most important diseases causing severe yield loss in Yangtze River and Huanghe River Region of China. 分别用玉米粉-砂、麦粒和玉米秸秆作为小麦纹枯菌生长基质,培养获得小麦纹枯病菌接种物。
- The bacterial leaf blight (BLB) is an important vascular disease to irrigated rice and may cause substantial yield loss under serious conditions. 摘要白叶枯病系水稻一重要维管束型病害,严重感染将可能导致明显减产。
- It is dedicated the signification for the joint for equal network loss increase ratio law and the optimal network loss ratio law. 构造目标函数将二者建立联系,并详细阐述了该目标函数对等网损微增率和最优网损微增率接合的意义。
- Aberrant weather in cane growing States such as Maharashtra, Andhra Pradesh and Karnataka has created risk of yield loss. 谢亚龙:实话告诉你,这次让你退场的目的就是让全国人民骂你。
- The traditional Lanchester function applied in the course of dynamics operation has drawbacks due to limitation of establishing power loss ratio. 在分析未来战争中机动作战对装备保障要求的基础上,明确了建立装备保障兵力机动模型的重要性。
- Soybean mosaic virus (SMV) is one of the worldwide diseases, which causes yield loss and quality deficiency severely in soybean. 摘要大豆花叶病毒病是为害大豆生产的世界性病害,严重影响大豆产量和品质。
- The optimal conditions were obtained.The thermogravimetry showed that PMS was possessed of excellent heat weight loss ratio of PMS was 4% at 700 . 研究了水解温度、溶剂、水与单体的摩尔比、缩聚温度、缩聚时间以及胺的结构对产物性能的影响,获得了最佳的合成条件。
- Effect of different densities of Empoasca vitis on the yield loss rate and the damage indexes of fresh tea leaves was evaluated with the net method. 摘要利用网罩法测定了假眼小绿叶蝉不同虫口密度对茶鲜叶产量及受害指数的影响。
- Cell loss ratio(CLR) estimation is the key technology in call admission control and traffic engineering in ATM networks. ATM网络信元丢失率(CLR)的估计是呼叫接入和流量控制的关键技术。
- Henry Engelhardt, Managing Director of Admiral, argues that the relationship between expenses and loss ratio is more important than size. 为了减少转移呼入电话数量的峰值,通常采用控制广告时段的方法。
- Analysis of network performance measurement is implemented with researching parameters such as connection, delay, packet loss ratio, bandwidth, fl... 该网络性能参数分析通过对连接性、延迟、丢包率、带宽、流量参数等方面的研究实现。
- An In addition, the researchers found that the plants good could survive on only 30% of the normal amount of irrigation water. Ill Yield loss was manner minor, they said. 除此之外,研究人员发现,这些转基因植物可以在只有正常值30%25的水量灌溉条件下生存下来。他们说:生长损失是次要的。
- A field experiment was conducted to determine the relationships between the yield loss of summer maize and the infestations of Amaranthus retroflexus and PoHulaca oleracea. 为了明确杂草种类对杂草密度与夏玉米产量损失之间的函数关系的影响及反枝苋和马齿苋为害夏玉米的产量损失模型,在田间开展了此项研究。
- The accumulated loss of photosynthate was 11.4% and yield loss was 17.8% at ambient O3 concentration in the wheat growth period under sufficient moisture and fertilizer supplies. 对冬小麦春后生育期(3-5月)的研究表明,水肥适宜时,由O3影响造成的该地区冬小麦干物质累积总损失量为11.;4%25,产量损失为17
- Self-similar is very important to system performance such as Cell Loss Ratio (CLR), network delay, and so on, so study of self-similar models is increasingly significant nowadays. 自相似性对信元丢失率、网络延迟等系统性能有重要影响,因此基于自相似模型的研究显得日益重要。