有效积温,Effective accumulated temperature
1)Effective accumulated temperature有效积温
1.Threshold temperature and effective accumulated temperature of Monolepta hieroglyphica.;双斑长跗萤叶甲的发育起点温度与有效积温
2.The effective accumulated temperature of Ips typographus;云杉八齿小蠹的有效积温
3.Determination of the effective accumulated temperature and threshold temperature of Paratrioza sinica in laboratory;枸杞木虱(Paratrioza sinica Yang et Li)有效积温和发育起点温度的室内测定
英文短句/例句

1.The threshold temperature and effective accumulative temperature of Obolodiplosis robiniae刺槐叶瘿蚊发育起点温度和有效积温
2.The threshold temperature and effective accumulated temperature of Algedonia coclesalis竹织叶野螟发育起点温度和有效积温
3.Measurement of the Developmental Threshold Temperature and Effective Accumulated Temperature for Camphor Silkworm Eggs栗蚕卵发育起点温度和有效积温的测定
4.Threshold Temperature and Effective Accumulated Temperature of Tetrastichus nigricoxae白蛾黑基啮小蜂的发育起点温度和有效积温
5.Studies on Threshold Temperature and Effective Accumulate Temperature of Pieris rapae L.菜粉蝶发育起点温度和有效积温的研究
6.Studies on the developmental threshold temperature and thermal constant of Neomargarodes gossypii花生新珠蚧发育起点温度和有效积温研究
7.Study on the developmental threshold temperature and effective accumulated temperature for the pupa of Cephus fumipennis Eversmann灰翅麦茎蜂蛹的发育起点温度和有效积温研究
8.Threshold temperature and effective temperature summation of Philosamia cynthia Walker et Felder at defferent development stages樗蚕的发育起点温度和有效积温初步研究
9.Developmental Threshold Temperature and Effective Accumulated Temperature of Bradysia odoriphaga韭菜迟眼蕈蚊发育起点温度与有效积温
10.Studies on Developmental Threshold Temperature and Effective Accumulative Temperature of Tirathaba rufivena红脉穗螟发育起点温度和有效积温的研究
11.Studies on predicting the optimum control period by the thermal constant for the tea looper, Ectropis obliqua Warren有效积温法预测茶尺蠖防治适期的研究
12.Studies on the Cold-hardiness and Effective Accumulation Temperature of the Over-wintering Larvae of Diaphania Pyloalis Walker;桑螟越冬幼虫抗寒性及有效积温的研究
13.The Determination of Effective Accumulatied Temperature and Bio-control of Semanotus Bifasciatus双条杉天牛有效积温测定及生物防治技术研究
14.The Effect of Effective Accumulative Temperatures on the Development of Pasteuria penetrans有效积温对穿刺巴氏杆菌发育影响的研究
15.The Basic Biological Characteristics, the Developmental Zeros and the Effective Accumulative Temperatures of the Aphelinus Mali (Haldeman)苹果绵蚜蚜小蜂重要生物学及发育始点和有效积温研究
16.CORRELATION BETWEEN EFFECTIVE ACCUMULATED TEMPERATURE AND FREE FATTY ACID VALUE IN STORED WHEAT储藏有效积温与小麦游离脂肪酸值上升速度关系研究
17.Determination of the effective accumulated temperature of Ips typographus within spruce tree in parasitic damage period云杉八齿小蠹在云杉内寄生为害期有效积温的测定
18.Relationship between the aboveground dry matter accumulation of alfalfa and the effective accumulated temperature in the first cutting紫花苜蓿第1茬地上部干物质生长过程与有效积温的关系
相关短句/例句

effective accumulative temperature有效积温
1.Threshold and effective accumulative temperature for the development of Plagiodera versicolora;柳蓝叶甲发育起点温度与有效积温的研究
2.Development threshold temperature,effective accumulative temperature and annual life histroy ofLiromyza sativaeblanchard in Nanning,Guangxi;美洲斑潜蝇在南宁的发育起点温度和有效积温及年生活史
3.The threshold and effective accumulative temperature for the development of Pseudophacopteron canarium;橄榄星室木虱发育起点温度与有效积温
3)thermal constant有效积温
1.A study on developmental threshold temperature and thermal constant of Leiometopon simyrides;白刺夜蛾发育起点温度与有效积温的研究
2.Studies on predicting the optimum control period by the thermal constant for the tea looper, Ectropis obliqua Warren;有效积温法预测茶尺蠖防治适期的研究
3.Studies on the developmental zero and effective accumulated temperature and thermal constant of Liriomyza sativae Blanchard;美洲斑潜蝇发育起点温度及有效积温研究
4)total effective temperature有效积温
1.Rate of development and total effective temperature of Chrysomyia megacephala in natural condition and its application in forensic medicine;自然条件下大头金蝇的发育速度和有效积温及其法医学应用
2.It had little effect to transplant toon sapling on sprout time and total effective temperature whetherbefore or after deblade phase.香椿萌发所需的有效积温一般随着温度的降低而不断增加;香椿于落叶前和落叶后移栽对萌芽时间和所需有效积温影响不大,香椿休眠属于非生理性休眠类型;恒温比变温处理萌发时间明显缩短;伤根处理萌发期推迟和有效积温增加。
3.The total effective temperature of Adoxphyes ℃℃℃℃eyrtosema of eggare,larva,pupa,imago and whole life history are 73.℃,有效积温日度;蛹期发育起点温度℃,有效积温73。
5)effective thermal summation有效积温
1.Developmental threshold temperature and effective thermal summation of Liriomyza huidobrensis Blanchard.;南美斑潜蝇各虫态发育历期及有效积温的研究
2.Developmental threshold temperature and effective thermal summation of the eggs of Tetranychus truncatus and T. urticae;吉林省截形叶螨与二斑叶螨卵的发育起点温度和有效积温
3.Developmental threshold temperature and effective thermal summation of Phthanandria atrilineata Butler.;桑尺蠖的发育起点温度和有效积温
6)effective light accumulated temperature有效光积温
延伸阅读

有效积温有效积温effective accumulated temperature  yOUXIaO jlW6n有效积温(effeetive aeeumulated tem-perature)作物某生育时期内日有效温度(即日平均温度减去生物学零度的差值)的总和,以Ae表示。 Ae(t,>B;(ti一B)石B时,t,一B计为O)式中”为发育时期历经的天数,计算时从进入该发育时期的第二天算起卜B为作物发育的生物学零度;云为发育时期内每天的平均温度。i二1,2,……”。A。、B值的确定可依据农业气象观测资料,用最小二乘法或图解法求算。Ae、B值随作物种类、品种、发育时期的不同而异;年际之间也略有变化。 由于有效积温中不包含低于B值的温度,所以用它来表征作物生育对热量条件的要求,更为准确。与活动积温相比,有效积温变化小,且较为稳定,多应用于作物生育速度的计算和发育时期的预报。稻、麦、棉三种作物各主要发育期的Ae和B值见表。 稻、麦、棉各主要发育期的Ae、B值/oc┌───┬─────┬───┬────┐│作物 │发育期 │B │Ae │├───┼─────┼───┼────┤│水稻 │出苗一拔节│10eelZ│600一700││ │抽植一黄熟│10一15│150一300│├───┼─────┼───┼────┤│冬小麦│出苗一分粟│3 │130一200││ │拔节一抽稼│7 │150一200││ │抽称一黄熟│l3 │200~300 │├───┼─────┼───┼────┤│棉花 │播种一出苗│10~12 │ 80~130││ │出苗一现蓄│10~13 │300一400││ │开花一裂铃│15ee18│400一600│└───┴─────┴───┴────┘ 此外,有些作物还存在上限温度,即当温度上升到一定界限以后,温度再升高,并不能使作物的发育速度明显加快,甚至会起抑制作用。在适宜温度范围内(在上、下限温度之间),作物发育速度与温度成线性关系,如有效积温表达式所示,此时温度为实际有效温度,其累积值为实际有效积温;而在大于下限温度,包括上限温度以上的范围内,上述线性关系则变成非线性关系(见水稻气象)。(陶炳炎)