cold stress 中文意思是什麼
cold stress
解釋
寒冷應激-
Under cold stress condition, cold hardiness of 12 vitis species including 45 lines ( cultivars ) was identified based on the leakage of electrolytes, water loss ratio and percentage of bud bursting on the stem and estimated the hardiness resistance of 12 v. species by the average of subordinate function ( sf )
摘要在冷凍脅迫條件下，測定了葡萄屬12個種45個株系枝條的膜透性變化、含水量動態變化及萌芽能力3項指標，並以種內不同株系間3項指標的平均值綜合評價了12個種的抗寒性。 -
Second, the activities of protective enzymes i. e. superoxide dismutase ( sod ), peroxidase ( pod ), and ascrobate peroxidase ( apx ) exhibited down - up - down trends when treated with 2 @ and 8 @, and these activities sustained at a relatively high level. this indicated euonymus japonicus " zhuzi " had relatively high adaptability to cold stress
（ 2 ） 『粗枝』大葉黃楊在零上低溫時，細胞保護酶超氧化物歧化酶（ sod ） 、過氧化物酶（ pod ） 、抗壞血酸過氧化物酶（ apx ）的活性先降低後上升，又下降並維持較高的水平，表明『粗枝』大葉黃楊對低溫脅迫有一定的適應性。 -
In the present study, the grass carp ( ctenopharyngodon idellus ) cell line zc - 7901 and the colossoma brachypomum cell line cbs were used as in vitro model systems to study the effects of cold stress on the cell membrane fluidity, the level of cacium ion, the contents of malondialdehyde ( mda ), the level of c > 2 and the system of antioxidative enzymes in the fish cells
本文以培養的草魚（ ctenopharyngodonidellus ）吻端細胞系zc - 7901和淡水白鯧（ colossomabrachypomum ）吻端細胞系cbs為模型，研究低溫脅迫對其細胞膜流動性、鈣離子水平、 atp酶、丙二醛（ mda ）含量、超氧化物陰離子（ o2 - ' ）水平以及抗氧化酶系統的影響，以期探討它們與細胞耐寒性的關系。 -
A cell line of colossoma brachypomu / n ( cb1 ), which has nontolerant of cold - stress, was used to study the death mechanism under low temperatures at the level of cytobiology
本研究利用已建立的淡水白鯧細胞系，從細胞生物學水平對非耐寒魚類淡水白鯧細胞在低溫下死亡的機理進行分析。 -
However the level of ca2 + in the later cell decreased to the lowest point at 24h but still higher than that of the control, then with the time of cold stress lengthening, the level of ca2 + became higher
淡水白鯧細胞在8低溫處理6h ， ca2 』水平同樣升高，低溫處理至12h時， c 』水平達到峰值，低溫處理24h時ca2 』水平又下降，但仍高於正常水平。 -
At 72h, it was lower than that of the control. from the results, it can be concluded that the zc - 7901 cell still can maintain appropriate membrane fluidity under cold stress, while the cbs cell only can do in a degree for a short time
而淡水白鯧細胞在低溫脅迫12h時膜流動性達到最大值，隨低溫時間延長，膜流動性下降，在低溫脅迫48h時膜流動性低於對照，低溫脅迫72h時膜流動性更低。 -
With the time of cold stress lengthening, the membrane fluidity of the zc - 7901 cells increased, reaching the highest degree at 48h, then began to decrease, but was still higher than that of the control while the cbs cells " membrane fluidity reached the highest degree at 12h, then began to decrease
結果提示在低溫脅迫開始較短時間（ 6h ）內，草魚細胞和淡水白鯧細胞膜流動性均下降，草魚細胞隨著低溫時間的延長，膜流動性開始增高，低溫48h時，達到最高，隨后又下降，但仍高於對照。 -
The results indicated that after cold stress the zc - 7901 cell can keep calcium homeostasis, while the cbs cell can only regulate the level of ca2 + in a restricted degree for short time, with the time of cold stress becoming longer, the equilibrium of ca2 + was disturbed
但隨著低溫時間的延長， ca2 』水平又增加。可見草魚細胞內的ca2 』在低溫脅迫時仍能保持一種穩態平衡，而淡水白鯧在較短時間（ 24h ）內能保持鈣的穩態平衡，但隨著低溫時間的延長，這種平衡遭到破壞。 -
After i. c. v. 6 - ohda, the c - fos expression of these areas induced by cold stress reduced significantly. 2 ) double staining showed that fos - like immunoreactive positive granules were observed in some vasopressin ( avp ) - immunoreactive positive neurons in paraventricular and supraoptic nuclei, as well as in some tyrosine hydroxylase ( th ) - immunoreactive positive neurons in nts and lc nuclei
（ 2 ）雙重染色顯示，寒冷應激誘導的fos樣免疫反應陽性顆粒可見于室旁核（ pvn ）和視上核（ son ）中的部分加壓素（ avp ）陽性神經元及孤束核（ nts ） 、藍斑（ lc ）中的部分酪氨酸羥化酶（ th ）陽性神經元。 -
Effects of acute and chronic cold stress on the antioxidative function of gastrocnemius and serum in chicken
慢性冷應激對雛雞腓腸肌及血清抗氧化功能的影響 -
The results showed that v. amurensis, v. yeshanensis and v. riparia were the most resistant to the hardiness ; v. adstricta, v. piazezkii and v. quinquangularis were middle resistant ; v. romanetii, v. davidii and v. daridii var. cyanocarpa were less resistant ; v. qiolingensis, v. bashanica and v. vinifera were susceptible to cold stress
結果表明，我國葡萄屬野生種（東亞種群）山葡萄、燕山葡萄以及美洲種群中的河岸葡萄為高抗類型； ? ?葡萄、復葉葡萄、毛葡萄為中抗類型；秋葡萄、刺葡萄、瘤枝葡萄為低抗類型；秦嶺葡萄、麥黃葡萄和歐洲葡萄為不抗類型。 -
This paper focused on two aspects : the physiological effects of cold stress on the euonymus japonicus " zhuzi " ; the isolation of cold - induced cdna gene. the results obtained were as follows : first, the chlorophyll ( chi ) and carotenoid ( car ) contents in euonymus japonicus " zhuzi " seedlings decreased greatly as the cold stress proceeded, accompanied by the sharply increasing contents of mda and pmp. it shows that chi and car degradation under cold stress was correlated with the damage of the plasma membrane
主要研究結果如下： （ 1 ） 『粗枝』大葉黃楊在低溫脅迫下，隨脅迫時間的延長，葉片中脂質過氧化物的終產物（ mda ）含量明顯增加，細胞質膜相對透性（ pmp ）明顯增大；葉綠素（ chl ） 、類胡蘿卜素（ car ）含量降低，且其含量的降低與mda含量增加及pmp升高間呈顯著負相關，說明低溫脅迫下『粗枝』大葉黃楊幼苗chl和car的降低與生物膜的損傷有關。 -
To explore the relationship between pvn - crh and lc - ne neuronal systems, which are considered as two most important stress systems, we studied the c - fos expression in rats brain after cold stress, including pvn and lc
最後用6 -羥基多巴胺（ 6 - ohda ）損毀腦內去甲腎上腺素（ ne ）能系統后，觀察應激誘導的腦內fos表達和血漿acth含量的改變。 -
The activity of sod and gsh - px reached the highest value at 12h after cold stress ; while the activity of cat and pod did at 24h
987倍。 sod及gsh px酶活力在低溫脅迫12h時達到最大值；而cat和pod酶活力在低溫脅迫24h時達到最大值。 -
To su mmarize the advances of the study on cold induced proteins and cold induced genes of plant in recent years, and discussed relation between the proteins and the genes and cold stress resistance of plant
摘要現就近年來植物低溫誘導蛋白和低溫誘導基因的研究進展進行了概述，同時探討了低溫誘導蛋白和低溫誘導基因與植物抗寒能力之間的關系。 -
Conclusions : ( 1 ) the results indicate that cell death of the cell line from colossoma brachypomum under cold - stress is likely to be a non - apoptotic program cell death
結論： （ ）初步研究認為淡水白娼細胞在低溫下的死亡可能屬于非凋亡形式的程序性細胞死亡。 -
The majority of these ests were co - expressed in response to desiccation and osmotic stress and were generally not induced in response to heat and cold stress
這些est中的大多數在對乾旱和滲透壓脅迫發生反應時是共表達的，而在耐受冷熱脅迫時並不被誘導表達。 -
The results suggested that hypothalamic pvn - avp neuronal system and lc - ne neuronal stystem in brainstem could be activated by cold stress. cold stress could also activated hpa axis. the activation of hpa axis could be mediated, at least in part, by ne neuronal system
結果提示:寒冷應激可激活下丘腦pvn一avp能神經元系統和腦干lc一ne能神經元系統，從而激活hpa軸， h以軸的激活至少部分地通過腦內的ne能神經元系統介導。 -
All the four types of the enzymes " activity decreased to the lowest point at 6h after cold stress
所有這4種酶在低溫脅迫6h時酶活力均降至最低。 -
Cold stress is one of the most important factors to decrease the yield of rice, which is thought to be a matter of great urgency to be solved
摘要冷害是水稻減產的主要原因之一，也是全世界普遍關注的問題。
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