- 更多网络例句与低温植物相关的网络例句 [注:此内容来源于网络,仅供参考]
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By the theories of cavitations and free volume, it analyses the factors on lubricant low-temperature property in view of molecule structure, brings up effective ways to improve the low-temperature properties, conducts plenty of testing with even designs, and then investigates and tests the lubricant's low-temperature properties with computerized system; it analyses the data by regressi on method and optimizes the solving, and studies on the base oil of environment friendly lubricants and selects the composition of colza oil, esters and PAO2, and discusses on low-temperature flowability of vegetable-base lubricants.
应用空穴理论及自由体积理论,从分子结构角度分析了影响润滑油低温性能的因素,提出了改善对润滑油低温性能的有效途径,组织了大量试验,通过润滑油的计算机检测系统对润滑油的低温性能进行了分析检测,采用均匀设计来组织实验;用逐步回归对数据进行分析并且进行最优化求解,对环境兼容润滑油的基础油进行了分析研究,选择菜籽油、季戊四醇酯和聚α-烯烃作为基础油,并从理论上对植物基润滑油的低温流动性进行了探讨。
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By the theories of cavitations and free volume, it analyses the factors on lubricant low-temperature property in view of molecule structure, brings up effective ways to improve the low-temperature properties, conducts plenty of testing with even designs, and then investigates and tests the lubricants low-temperature properties with computerized system; it analyses the data by regression method and optimizes the solving, and studies on the base oil of environment friendly lubricants and selects the composition of colza oil, esters and PAO2, and discusses on low-temperature flowability of vegetable-base lubricants.
应用空穴理论及自由体积理论,从分子结构角度分析了影响润滑油低温性能的因素,提出了改善对润滑油低温性能的有效途径,组织了大量试验,通过润滑油的计算机检测系统对润滑油的低温性能进行了分析检测,采用均匀设计来组织实验;用逐步回归对数据进行分析并且进行最优化求解,对环境兼容润滑油的基础油进行了分析研究,选择菜籽油、季戊四醇酯和聚α-烯烃作为基础油,并从理论上对植物基润滑油的低温流动性进行了探讨。
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By the theories of cavitations and free volume, it analyses the factors on lubricant low-temperature property in view of molecule structure, brings up effective ways to improve the low-temperature properties, conducts plenty of testing with even designs, and then investigates and tests the lubricant's low-temperature properties with computerized system; it analyses the data by regression method and optimizes the solving, and studies on the base oil of environment friendly lubricants and selects the composition of colza oil, esters and PA02, and discusses on low-temperature flowability of vegetable-base lubricants.
应用空穴理论及自由体积理论,从分子结构角度分析了影响润滑油低温性能的因素,提出了改善对润滑油低温性能的有效途径,组织了大量试验,通过润滑油的计算机检测系统对润滑油的低温性能进行了分析检测,采用均匀设计来组织实验;用逐步回归对数据进行分析并且进行最优化求解,对环境兼容润滑油的基础油进行了分析研究,选择菜籽油、季戊四醇酯和聚α-烯烃作为基础油,并从理论上对植物基润滑油的低温流动性进行了探讨。
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An annual is best known as a plant that completes it's life cycle in a single season. Hardy annuals can survive cold temperatures and some light frost, while tender annuals cannot tolerate cold temperatures and should be planted only after there is no more danger of frost. Half-hardy annuals can tolerate some cold temperatures, but are usually killed by frost. Annuals make excellent space fillers for the perennial garden.
一年生植物最显著的一个特点就是它在一个季节内完成它的生命轮回,耐寒的一年生植物能够在低温和轻微霜冻的条件下生存,但是幼嫩的一年生植物不能忍受低温,他们只能在没有霜冻危险的条件下种植,半耐寒型一年生植物能够经受一些低温条件的考验,但是通常他们因为霜冻死亡,一年生植物能够为多年一成不变的庭院创造一个很出色的空间。
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There are experimental results as follows:(1) Eriophorum comosum Nees shows strong cold resistance in plasmalemma permeability research. The lethal temperature of Eriophorum comosum Nees is the lowest LT_(50 in comparison with another two plants and is lower than -11.5℃ in August 2005 and December 2005; Soluble protein content of each plant is rising before or after cold hardiness. By SDS-PAGE, Protein band is analysed. Band quantity of Eriophorum comosum Nees is the most and its band color is darkest.(2) Soluble sugar content of three plants after cold hardiness are higher than before cold hardiness, moreover soluble sugar content after cold hardiness shows a decline and there is a narrow range in Eriophorum comosum Nees; Free Proline accumulation is changed by cold stress, and cold resistance is relative to free Proline accumulation; chlorophyll content of both three plants, including chlorophyll a, chlorophyll b and chlorophyll a/b, show a decline tendency along with the descent of temperature. Cynodon dactylon is highly sensitive to cold stress.(3) The soil POD and urease activities' absolute value of Erioophorum comosum Nees and Pogonatherum panideumHack were more than that of Cynodon dactylon before or after low temperature stress, especially POD activities.
实验结果表明:(1)在膜透性的研究中,丛毛羊胡子草抗寒性最强,采用电导率法测得半致死温度LT_(50最低,丛毛羊胡子草抗寒锻炼前后半致死温度LT_(50均小于-11.5℃;在可溶性蛋白含量研究中,抗寒锻炼前后三种植物的可溶性蛋白含量均增加,同时采用SDS-PAGE法,通过对蛋白条带分析,以丛毛羊胡子草条带数最多且着色深;(2)在可溶性糖的研究中,三种植物经抗寒锻炼后叶片可溶性糖含量都比抗寒锻炼前高,且经过抗寒锻炼后三种植物可溶性糖均呈下降趋势,丛毛羊胡子草可溶性糖含量下降较小;从游离脯氨酸含量可知,低温的胁迫影响了植物叶片游离脯氨酸的含量变化,植物的抗寒性与游离脯氨酸有关;低温胁迫下三种植物叶绿素含量随着温度的下降,叶绿素含量、叶绿素a、叶绿素b和叶绿素a/b均呈下降趋势,狗牙根对低温胁迫最为敏感;(3)低温锻炼前后,丛毛羊胡子草和金发草的土壤过氧化物酶与脲酶活性的绝对值均大于狗牙根的,特别是过氧化物酶,说明丛毛羊胡子草和金发草的酶活性大于狗牙根的。
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A lot of plants can live in only in lukewarm or in high temperature environment, they can bear microtherm least of all, can produce such and such freeze injury otherwise, die even.
哪些观叶植物最忌低温?有很多植物只能生活在中温或高温环境里,它们最不能忍受低温,否则就会产生这样那样的冻害,甚至死亡。
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Based on the national tenth five magnitude project — Suzhou City Water Environment Improvement and Synthesize Demonstration item, we carried out the static simulation test and the dynamic simulation test under the condition of heavy pollution loading rate and low transparency and dissolved oxygen in polluted river of suzhou ancient city district. These investigations were on the base of the formers' work. We analyzed the purification effects and rules of plant floating-bed technology on polluted river water, and also applied the technology to purify the polluted river water in Miaojia River. Conclusions were summed up in the following:The dominance plant option test was carried out among Oenanthe javanica, Lolium mutliflorum and Allium sativum under low temperature condition. The results showed that the Oenanthe javanica was the dominance floating-bed plant under low temperature condition. Its net removal rate of TN、 NH_3-N、 TP、 COD_ were 51.3%、 65.2%、 55.6%、 57.6%, respectively, and inhibition rate of algae reached 92.3%.
本论文以国家863重大科技专项——&苏州市城市水环境质量改善与综合示范&项目为依托,在前人研究的基础上,根据苏州古城区污染河道污染负荷重、透明度及溶解氧低的实际情况,通过静态、动态模拟试验,研究了植物浮床技术对污染河水的净化效果及规律,同时在苏州古城区内的苗家河开展了植物浮床技术净化污染河水的示范应用,得出了以下结论:(1)低温条件下对水芹菜、多花黑麦草、大蒜三种浮床植物筛选的试验表明:水芹菜是低温条件下浮床植物的优势种,其对TN、NH_3-N、TP、COD_的净去除率分别为51.3%、65.2%、55.6%、57.6%,对藻类的抑制率达92.3%。
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In this paper,we reviewed the sites of damage under chilling temperature,such as effects of low temperature on membrane,two photosystems and some enzymes in Calvin cycle,the chillingsensitive components that exist in plants in vivo and the way of improving the ability of defending photoinhibition under low temperature.
本文论述了低温对植物伤害的原初反应,例如低温对膜的伤害、低温对两个光系统和卡尔文循环中某些酶类的影响,并讨论了植物体内的冷敏感组分以及提高植物防御低温光抑制能力的途径。
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Three weeks afer the allografting,there was no significant difference between the two al lografting groups in maximum load(P>0.05),Eight weeks later,the maximum load of the group that was preserved by liquid nitrogen after program freezing(76.60±4.67)N was better than the group that was preserved by -80℃ deepfrozen(75.99±4.20) and similar with the autografting group(76.72±2.55).4.The healing process and histological behavior of the two deepfrozen groups are similar with the autografting group,and the program freezing group is better.
结果 a经程序冷冻液氮保存方法处理后,髌腱的最大载荷无明显下降,细胞活性得到了较好的保存,组织学观察冷冻损伤较-80℃深低温保存方法轻微;b程序冷冻液氮保存处理的移植物在术后未表现明显的排斥反应,且免疫反应随时间的推移而下降;c移植后3周,各组移植物的最大载荷无显著差异(P>0.05),移植后8周,程序冷冻液氮保存组移植物的最大载荷(55.87±1.86)N优于-80℃深低温保存组(52.14±2.79),而和自体移植组相近(57.70±2.76)N;d从组织学观察看,-80℃深低温保存组和程序冷冻液氮保存组移植后的愈合过程均和自体移植组相似,而程序冷冻液氮保存组的愈合过程和组织学行为更接近于自体移植组。
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Results 1.After treated by:program freezing,the maximum load of the allografts has no evident decrease and the cell activity of allografts was preserved well,the frozen hurt after program freezing was more slight than -80℃ deepfrozen,2.No evident reject reaction can be seen during the healing process after deep frozen and the reject reaction declined as the time pass by.3.Three weeks afer the allografting,there was no significant difference between the two al lografting groups in maximum load(P>0.05),Eight weeks later,the maximum load of the group that was preserved by liquid nitrogen after program freezing(76.60±4.67)N was better than the group that was preserved by -80℃ deepfrozen(75.99±4.20) and similar with the autografting group(76.72±2.55).4.The healing process and histological behavior of the two deepfrozen groups are similar with the autografting group,and the program freezing group is better.
结果 a经程序冷冻液氮保存方法处理后,髌腱的最大载荷无明显下降,细胞活性得到了较好的保存,组织学观察冷冻损伤较-80℃深低温保存方法轻微;b程序冷冻液氮保存处理的移植物在术后未表现明显的排斥反应,且免疫反应随时间的推移而下降;c移植后3周,各组移植物的最大载荷无显著差异(P>0.05),移植后8周,程序冷冻液氮保存组移植物的最大载荷(55.87±1.86)N优于-80℃深低温保存组(52.14±2.79),而和自体移植组相近(57.70±2.76)N;d从组织学观察看,-80℃深低温保存组和程序冷冻液氮保存组移植后的愈合过程均和自体移植组相似,而程序冷冻液氮保存组的愈合过程和组织学行为更接近于自体移植组。
- 更多网络解释与低温植物相关的网络解释 [注:此内容来源于网络,仅供参考]
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boxcar lengthener:脉冲扩展电路
microtherm 低温植物 | boxcar lengthener 脉冲扩展电路 | refreshing 提神的, 凉爽的, 使人喜欢的
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handbill:传单, 招贴
disparate 全异的 | handbill 传单, 招贴 | microtherm 低温植物
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heintzite:硼钾镁石
heikolite 平康石 | heintzite 硼钾镁石 | hekistothermal plants 低温植物
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stretched form:扩展形式
meiotherm 低温植物 | stretched form 扩展形式 | archegonial jacket 颈卵器套
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dichoptic:[动]离眼的
triamylamine 三戊胺 | dichoptic [动]离眼的 | meiotherm 低温植物
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microtherm:低温植物
handbill 传单, 招贴 | microtherm 低温植物 | boxcar lengthener 脉冲扩展电路
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microtherm:微温植物,低温植物
microsymbiont 共生微生物 | microtherm 微温植物,低温植物 | microthermal 微温的
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microtherm:低温 低温植物
microthelia 小乳头 | microtherm 低温 低温植物 | microthermal 低温的
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microthermic:低溫植物[的]
低温型 microthermal type | 低温植物[的] microthermic | 微震 microtremor
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psychrophilic organisms:低温性生物
psychrophilic microorganism 嗜冷微生物 | psychrophilic organisms 低温性生物 | psychrophytes 高山寒土植物