1) damage percentage
为害损失率
2) yield losses
为害损失
1.
The yield losses of take-all disease of corn (Gaeumannomyces graminis var.
作者对山东小麦—玉米两季作物区玉米全蚀病的发生情况进行田间自然发病田、人工接种田为害损失测定。
2.
Eighty three winter wheat fields of 44 cultivars were investigated, to calculate the yield losses of sheath blight disease.
通过44个品种83块麦田小麦纹枯病为害损失的测定,明确小麦纹枯病可引起小麦显著减产。
3) Damage
[英]['dæmɪdʒ] [美]['dæmɪdʒ]
为害损失
1.
Study on the Damage and Control Threshold of Sitobion Avenae;
麦长管蚜为害损失估计及防治阈值研究
2.
Economic damage to Japonica by the second generation population of the white backed planthopper in the middle late non glutinous rice zone;
中、晚粳稻区白背飞虱为害损失及其防治指标研究
3.
Damage amount and damage loss to cotton by the various instar larvae of cotton bollworm,Helicoverpa armigera were got through inoculating larvae to cotton plant.
通过人工接虫为害，获得了棉铃虫各龄期幼虫在棉花上的为害量和为害损失。
4) Yield loss
为害损失
1.
The contents included biology, migration, occurrence characteristics, and population dynamics of the whitebacked planthopper; yield losses, and varietal resistance of rice; and integrated management of the pest.
通过对 2 14篇发表在中国省级以上刊物的相关研究论文分析 ,概述了建国以来中国在白背飞虱研究与治理等方面的研究进展 ,内容包括白背飞虱的生物学特性、迁飞规律、发生特点、种群动态、为害损失、水稻品种抗性及种群综合治理等方面。
2.
Relationships between adult amount of Nilaparvata lugens (Stal) on Wuyu gen-3 rice and the increasing rate of its 2nd generation as well as yield loss and chemical control were studied by Net-rearing and field experiments.
为了解二代褐飞虱对粳稻的为害损失，确定合理的防治指标和防治策略，为科学使用噻嗪酮、吡虫啉等药剂防治稻飞虱提供依据，作者在武育粳３号上，通过接不同的虫量，并进行笼罩的方法，研究了二代褐飞虱的增殖规律和为害损失及防治指标。
5) seed loss rate
危害损失率
6) calamity loss rate
灾害损失率
1.
The mathematical model,originated from the ‘separation corrdination’ method of the large system theory,consists of two controlling factors,in which the subdivision of calamity loss rate is a major factor,while the multi .
灾害损失率计算是农作物保险费率确定的基础。
补充资料：矿石损失率
矿石损失率
ore loss rate
kuongsh一sunshll.矿石损失率(ore 10、5 rate)损失工业储量与报销工业储量的百分比其计算式为 Q、一’ 5一六二只100% Q’\1一、·式中万为矿石损失率，丫;Q、为损失的工业储量，t:Q为报销的工业储量，t矿石损失率与矿石回采率的关系为 Q一Q、 万一一二~不二竺一1一}{、 Q式中Q、为采出的工业储最矿石损失率的功用与矿石回采率相同，其特点是从矿石损失方面反映矿产资源回采程度。为便于对矿石损失进行分析，对应崩矿与放矿将矿石损失分为一次矿石损失和_次矿石损失(见矿石损失与贫化)，并分别汁算一次(3’、)和二次(s2)矿石损失率。 Q、:、..，Q，_ 5，一万只“，‘，厂;‘一蓄’《‘〔，()一/S:、S:与总的矿石损失率(5)关系为 S一5]一5一5 152式中Q为上业储量.t:Q，为崩下的矿石最，t:Q、，、QS:分别为崩矿和放矿过程中损失的矿石量，t (刘兴国)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条