积温

借鉴积温学的原理，结合紫花苜蓿（MedicagoSativa）生理生态学特性，建立了水分限制条件下干旱沙区紫花苜蓿生长发育模拟模型。

Based on the theories of accumulated temperature and on the physio ecological characteristics of Medicago sativa , a simulation model for its growth under soil water stress in arid sandy region was developed .

通过对连续4a夏玉米叶面积指数的研究，建立了夏玉米叶面积指数与积温之间的归一化模型，提出了精确的且唯一确定的归一化方法。

Based on the experiment data of summer maize in Irrigation Experimental Station of Northwest A & F University during 2001 ~ 2004 , a normalized model between leaf area index ( LAI ) and accumulated temperature was developed .

区域积温插值的GIS方法

A GIS Method for Regional Accumulative Temperatures Interpolation

利用相关分析和逐步回归分析，研究了香气成分与生态因子的相关性，筛选确定影响苹果果实香气成分的主要生态因子为≥0℃年积温、年总降水量、海拔高度以及土壤pH；

The paper studied on the relativity between aroma component and land ecological factors by correlation analysis and step-regress analysis .

阐述了积温期分解对区域积温插值GIS方法的改进。

This article suggests an improved GIS interpolation technique for regional accumulative air temperature , with a method of decomposition of duration of accumulative temperature .

利用气象站点实测资料，建立多元回归方程，同时结合GIS插值，对模拟残差进行修正，得到研究区≥0℃年积温和年中降水量的模拟结果。

Based on meteorologic data , the paper established multi-regression equation to simulate ≥ 0 ℃ annual total temperatures and precipitation by amending the error with GIS interpolation .

x2为上年9月16日～10月5日的积温；

X 2 showed the cumulative temperature from 16 September to 5 October last year ;

气候要素日照Q，积温∑~t、降水R与水稻产量的复相关系数达到显著或极显著水准。

The coefficient of multiple correlation between the climatic elements-Sun shine Q , Accumlated temperature ∑ t and Rainfall R , and rice yield reached remarkable or quite remarkable level .

因此花粉母细胞形成至减数分裂期是隐性长穗颈eui基因表达对温度敏感时期，该基因感温表达具有积温效应，6天的感温效果最佳。

The analysis showed that eui gene expressed best in feasible temperature for 6 days during the thermo-sensitive period .

水温11～13℃时，卵黄囊期需10d，有效积温110～130℃·d。

At 11-13 ℃, it needs 10 d from hatching stage to yolk-sac absorbed stage , and the accumulative temperature of 110-130 ℃· d is necessary .

阐述了昆虫物候分析的SSPM模型（singlesinephonologicalmodel）计算方程和过程，该模型采用Sine函数拟合每天温度变化，并利用积分，获取每天有效积温和一定时间内日度累积值。

The paper details the calculation method of single sine phonological model ( SSPM ) in insect phenology , in which the daily temperature is curved by sine function . Accumulations and daily degree-days are acquired by integral equation methods .

其种子发芽出土、形成幼苗需要较高积温，在塑料薄膜棚内，约需40d。

The results showed that the germination and seedlings emergence need higher accumulation temperature and about 40 days in plastic film arch .

结果表明，本模型较用比叶面积和叶干重的SLA法及用积温与叶面积的函数的GDD法更能准确地模拟温室甜瓜的LAI和植株总干重。

The results show that the model can predict leaf area and total dry weight of greenhouse muskmelon more accurately than the traditional specific leaf area ( SLA ) and growing degree days ( GDD ) based models .

经验证，求导的生物学零度（ki）和花期活动积温（∑Τi）与实际观测年份各值基本吻合，经显著性检验均达到极显著水平。

Through justification , the deduced biological zero point ( Ki ) and the active accumulated tempera-ture (Σ Ti ) for bloom almost fit the actual numbers , and reached the most outstanding level through outstanding test .

数学模型导出了生物学零度（ki）和花期活动积温（∑Τi），图解模型对其进行了辨别，语言模型通过反馈回路对其进行验证实际效果。

The mathematical model was used to deduce biological zero point-joint ( Ki ) and bloom active temperature (Σ Ti ), which was studied by graphic model and language model , justifying the effect through feeding back loop .

使用该技术，能使作物提早成熟，防御冷害和霜害，可采用较常规播种的生育期长15d、所需积温多200℃·d左右的偏晚熟品种；

By using the technique the corn variety which growth period is 15 d longer and accumulated temperature is 200 ℃· d more than the conventional variety can be used in the area .

在水、肥等可控制因子较好的条件下，影响区域PS-1生产潜力的主要因素是有效积温。

Under the better controlled factor condition , for example water and fertilization , the main factor that influence regional productive potential under PS-1 condition is the effective accumulated temperature . 3 .

结果表明：与虫害发生面积密切相关的因子有年积温（≥10℃）、年降水量和干燥度；虫害发生面积同三者的Pearson相关系数分别为0.701、-0.814和0.937；

The results showed that the meteorological factors closely related to the insect pest occurrence area were the yearly accumulated temperature of ≥ 10 ℃, yearly precipitation and dryness , with the Pearson coefficient being 0.701 , -0.814 and 0.937 , respectively .

该品种从出苗到适宜采收期（蜡熟期）需有效积温2550℃.d左右，在哈尔滨市生育日数为115～120d。

This variety requires effective accumulated temperature about 2 550 ℃ from emergence of seeding to stage of wax ripeness , it 's growth period is 115-120 d in the Harbin city .

Pearson相关分析表明，大针茅种群内基因多样性与温度因子（≥10℃年积温、年均温和1月份均温）之间存在显著（p0·05）或极显著（p0·01）的相关关系；

By Pearson correlation analysis , significant correlations were found between gene diversity indexes and temperature factors (≥ 10 ℃ cumulative temperature in a year , annual mean temperature and mean temperature in January ), and all diversity indexes showed significant correlations with mean temperature in January .

试验结果表明：1.象草N51短日处理至抽穗期的积温值在年度间及年内的差异均较大。

The results showed : ① Temperature summation from short-day treatment to heading date on Napier grass N51 was different in year and between years .

水稻品种所需温光资源量：早、中熟中粳需积温3300～3900℃，日照时数700～1000h；

To complete the growth stage . various varieties need the resources of temperature and light : The early-ripen and mid-ripen of mid-season japonica need accumulation of the temperature of 3300 ~ 3900 ℃, sunshine hour number 700 ~ 1000h ;

多花黑麦草（Loliummultiflorum）在海拔3500m、年降水量约600mm的高寒牧区种植，因积温不足而无法完成生育周期，最高生育阶段只能达到抽穗期，从播种到抽穗历时约117d。

Lolium multiflorum planted in an alpine region , with altitude 3 500 m , and annual precipitation of about 600 mm could not complete its growth and reproduction cycle due to insufficient accumulated temperature . It could only reach earing stage , which occurred about 117 days after sowing .

成虫在5月中旬至10月上旬发生，6月初开始产卵，卵的发育起点温度为14.66±0.5℃，有效积温为41.7±20.85日·度，在25℃下卵期平均为3.69±0.25d；

Adult beetle emerged from mid-May to the first ten days of October , and oviposited in early June . The developmental threshold temperature of egg was 14.66 ± 0.5 ℃, and its effective accumulated temperature was 41.7 ± 20.85 degree-day .

涂黑圆圈表示积温，空白圆圈表示作物产量。

Blackened circles denote accumulated temperatures and open ones crop yield .

辽宁省负积温地理分布特征与模拟

Characteristics of Geographical Distribution of Negative Accumulated Temperature in Liaoning Province

冬小麦越冬期负积温明显减少。

The negative accumulated temperature decreased obviously during the over-wintering period .

发育起点温度及有效积温因不同龄期均有差异。

Development thresholds and accumulated temperatures vary owing to different instars .

鲜食大豆适宜采收期与有效积温的关系

Relationship between Harvesting Time and Effective Accumulated Temperature in Vegetable Soybean

辽宁省三种松毛虫有效积温的研究

A study on the effective accumulated temperature of the pine caterpillars