过冷却点

冰核活性细菌能显著提高昆虫的过冷却点，使之在较高的零下温度发生结冰。

It is well known that ice-nucleating active ( INA ) bacteria can significantly elevate SCP of certain species of insects , thereby freeze occurs at higher temperature .

发育末期蛹的过冷却点明显高于发育初、中期蛹。

The SCP of the pupae in the late developmental phase was significantly higher than those of the pupae in the early and middle phases .

e不同日龄滞育蛹和非滞育蛹的过冷却点和结冰点测定结果表明，在预蛹至5日龄蛹期，过冷却点和结冰点均逐渐下降。

The results showed that supercooling point and freezing point decreased from pre-pupae to 5_day pupae period .

在室内实验测定蛹的过冷却点（SCP）。

Supercooling points ( SCP ) of pupae were experimentally tested .

本文运用NTC-TD热敏电阻法测定了桑螟越冬幼虫的过冷却点、冰点。

NTC-TD heat-sensitive resistance is used to measure the super cooling-point ( SCP ) and freezing point of over-wintering larvae of Diaphania pyloalis ;

冰核细菌对液体食品过冷却点的影响

Effects of INA Bacteria on the Supercooling Temperature of Liquid Foods

甘薯天蛾过冷却点变化与生化成分的关系

Relationship between the supercooling point and the biochemical componens of Agrius convolvuli

2越冬幼虫过冷却点和冰点

Super cooling point and freezing point of the over-wintering larvae

灰飞虱以3龄、4龄若虫越冬，平均过冷却点分别为-7。

The nymphs of3and4 stadia can hibernate , their average supercooling temperature are-7 .

越冬期间，成虫的过冷却点为-10.60±1.60℃。

The under cooling point of the adult during hibernation is - 10.60 ± 1.60 ℃ .

虫体内水分含量的变动与抗寒性密切相关，与过冷却点呈负相关性。

They had close relationship between the changes of water and cold hardiness , they had negative correlation .

东西方蜜蜂越冬期过冷却点的测试及过冷却点与越冬性能的关系

Study on the Supercooling Point of Honeybees and the Relationship between the Supercooling Point and the Cold Resistance

过冷却点：四龄幼虫13.5℃，蛹20.1℃。预蛹11.3℃。

The super cooling points of 4th instar , pupa and prepupa are 13.5 , 20.1 and 11.3 ℃, respectively .

针对越冬期东西方蜜蜂的过冷却点进行了测试并对其与越冬性能的关系进行了分析。

The supercooling points of honeybees were tested , and the relationship between the supercooling point and the cold resistance was analyzed .

其越冬成虫结冰点和过冷却点分别为－5.2℃和－8.5℃。

The freezing point and supercooling point of the overwintering adult were determined as - 5.2 ℃ and - 8.5 ℃ respectively .

幼虫平均过冷却点和体液冰点分别为-12.78℃和-3.88℃。

The even supercooling point of larva and its even freezing point of body fluid were -12.78 C and - 3.88'C , respectively .

结果表明：越冬幼虫的过冷却点随外界温度的高低而变化。

The results showed that the supercooling points ( SCP ) of the overwintering larvae were changeable with the nature temperature during the winter period .

测定了短时低温诱导后异色瓢虫过冷却点的变化，显示在短时低温诱导下，昆虫的过冷却点会升高，但是随着诱导的加深而降低。

The results showed that the supercooling point of insect rose under short-term low temperature induction treatment , but it decreased with the deepening of the induction .

结果表明：随杏花发育进程的推移，3个仁用杏品种自蕾期至幼果期过冷却点呈现明显上升趋势，表明抗寒性减弱。

The results showed that : With the development process of the flower , from bud stage to the young fruit , the supercooling point of the three apricot varieties showed clear upward trend , indicating that reduced cold tolerance .

上述结果，不仅充实了以往人们对此卷蛾生态学特性的研究内容，且通过了解其幼虫的过冷却点和体液冰点，可间接预测该虫的可能分布区和潜在分布区。

By the results , we could enrich not only the content of ecological study on this pest insect , but also could forecast the distribution regions and the potential distribution regions of this pest insect by its supercooling point and freezing point of body fluid .

西安种群和河南南阳种群变异较大。三种虫态中，长茧过冷却点与结冰点最小值之间相差最大，幼虫次之，圆茧最小。

There were large variation of Xi ' an population and Henan nanyang population , In the three instars , that the gap of super cooling point and freezing point , the long cocoon were largest , the larvae were second , and the round cocoon were minimum .

抗、感品系在正常人工饲料饲养条件下的过冷却点、冰点、含水量、脂肪含量、糖原含量没有差异，因此抗、感棉铃虫的抗寒性没有差异。

The supercooling points ( SCP ), freezing points ( FP ), moisture content , fat content , content of glycogen were no differences between resistant and susceptible strains when they fed normal artifical diet , so the cold hardiness was no difference between resistance and susceptible strain .