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respiratory activity
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  呼吸活性
     The resultsmentioned above indicate that increase of respiratory activity of regenerating livermitochondria and resistance to CCl_4 may play an important role in the protectionof regenerating liver against CCl_4.
     上述结果提示:再生肝线粒体呼吸活性增高,同时不易受 CCl_4损伤,可能在再生肝抗 CCl_4损伤机制中起一定作用。
短句来源
     In order to elucidate the mechanism of hepatic protection of indomethacin, we observed the effectsof indomethacin on respiratory activity and calcium uptake of liver mitochondria in normal and CCl_4-injured rats.
     本文观察了消炎痛对正常和CCl_4损伤大鼠肝线粒体呼吸活性和钙离子摄取的影响。
短句来源
     In the animals without injury with CCl_4, the respiratory activity in ratspretteated with indomethacin also differed from that in the controls.
     在不加CCl_4损伤的大鼠,经消炎痛预处理,其肝线粒体的呼吸活性也有变化。
短句来源
     In order to discuss the relationship between the respiratory activity of roots and the growth of cucumber and tomato seedlings in low dissolved O2 (DO) nutrient solution, different methods were taken to test the respiratory rate of the growing roots and in vitro grown cultured root of cucumber and tomato at 0, 1, 2 and 4mg·L- DO levels.
     为了探讨根的呼吸活性与黄瓜和番茄幼植株在低氧逆境下生长的关系。 采用不同方法测定了黄瓜和番茄在0mg·L-1、1mg·L-1、2mg·L-1、4mg·L-1溶氧浓度(DO)下生长的植株根和离体培养根的呼吸强度。
     The Relationships Between Respiratory Activity and Low Dissolved O_2 Tolerance of Cucumber and Tomato Root Systems
     根的呼吸活性与黄瓜和番茄根际低氧耐性的关系
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  呼吸活动
     The results of the effects of low pH (6.0-3.6) on grass carp indicated that the respiratory activity and oxygen consumption metabolism at pH 4.6-3.6 was disturbed at higher degree to increscent acidity.
     研究了低pH(6.0—3.6)对草鱼呼吸活动机能及耗氧代谢的影响. 结果表明,在pH4.6—3.6条件下,草鱼呼吸和气体代谢活动受干扰的程度随酸度增大而急剧加重.
短句来源
     1.The simple method of CA storage if combined with a moderately low temperature of about 4-8℃ would markedly retard the respiratory activity of litchi fruits,not only made them slower to decay,but also prevented the quality change and other breakdown processes.
     1.简易的气调贮藏方法与4~8℃适宜低温相结合,可明显地抑制呼吸活动,防止果实软化腐烂、品质变化和其它腐败过程。
短句来源
     Therefore the study at gene level is obviously a new pathway for investigating the mechanism of genesis and regulation of the rhythmic respiratory activity.
     因此,基因水平的研究为深入认识节律性呼吸活动的产生和调控机制提供了新的研究途径。
短句来源
     Tht results suggest that progressive increase of inhibition in the CNS and progressive reduction in circulatory and respiratory activity might be involved in the progressive increase of tolerance to hypoxia during repeitive hypoxic exposure.
     结果提示,CNS抑制的进行性增强和循环呼吸活动的进行性降低参与重复缺氧过程中缺氧耐受性进行性增高的形成。
短句来源
     The respiratory activity was monitored by suction electrode applied on the central end of hypoglossal nerve and the respiratory neuronal discharges were recorded extracellularly by inserting theglass microelectrode into the mNRF of the slices.
     参照并改良Suzue的方法制作离体延髓脑片标本,记录舌下神经放电作为呼吸活动的指标,并在延髓腹外侧mNRF区同步记录呼吸神经元单位的放电活动。
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  呼吸功能
     Conclusions:Our data suggested that acute hypoxic depressed brain mitochondrial respiratory activity and F 0F 1-ATPase activity,ATP content was decreased in brain tissue and brain mitochondrial oxidative phosphorylation function was suppressed. $
     结论:急性缺氧可抑制脑线粒体呼吸功能和F0F1- ATP酶活性,脑组织ATP含量下降,脑线粒体氧化磷酸化功能降低。
短句来源
     Results Obvious damage of polymerized microtubule,opening of MPTP,mitochondrial inner membrane potential loss and decrease of myocardial respiratory activity were ob- served in both group B and C at 0.5 PTH,and they became more and more serious afterwards.
     结果处理0.5h,缺氧组和常氧+解聚剂组微管免疫荧光强度分别为(76.1±3.9)%、(74.8±5.O)%,微管发生明显破坏,MPTP开放,线粒体内膜电位损耗和细胞呼吸功能下降,且随着处理时间的延长,以上现象愈发显著。
短句来源
  “respiratory activity”译为未确定词的双语例句
     Results SpO_2 was lower after meal(P<0.01),and the thoracic respiratory activity showed significant difference before and after meal(P<0.01).
     结果COPD患者餐后SpO2显著低于餐前(P<0.01),胸部呼吸运动在进餐过程中幅度变化差异有显著性(P<0.01)。
短句来源
     Conclusion The Lc-Sc can excite respiratory activity and the effects might mainly be mediated by α 1 receptor in NTS,NPBM and RVLM neuros. The effects too might be mediated by α 2 receptor in NTS and NPBM.
     结论 :Lc -Sc区具有呼吸兴奋效应 ,其作用机制主要是通过激活NTS、NPBM和RVLM内的α1受体介导实现 ,NTS、NPBM内的α2 受体也参与此过程。
短句来源
     SpO_2 also showed its correlation with different status of FEV1 and FEV/FVC. In contrast, lung function data was not associated with the thoracic respiratory activity.
     SpO2与肺功能FEV1%及FEV1/FVC存在相关性,而与胸部呼吸波幅变化差异无显著性(P>0.05)。
短句来源
     Methods Neonatal rat brainstem slices including the medial region of the nucleus retrofacialis (mNRF) with the hypoglossal nerve rootlets retained were prepared in which the respiratory activity was recorded from the hypoglossal nerve rootlets by suction electrode.
     方法制作新生大鼠离体延髓脑片标本,主要包含面神经后核内侧区(the medialregion of the nucleus retrofacialis,mNRF),并保留舌下神经根的完整,以改良Kreb's液灌流脑片,稳定记录舌下神经根呼吸节律性放电(respiratory rhythmical discharge activity, RRDA)。
短句来源
     In the rats of pretreated with TMP, the respiratory activity was not obviously depressed (P>0.05).
     在川芎嗪预处理组大鼠,缺氧未引起呼吸抑制(P>0.05)。
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  respiratory activity
Respiratory activity of the bacteriumAcinetobacter calcoaceticus TM-31 during assimilation of alkane hydrocarbons
      
The respiratory activity ofAcinetobacter calcoaceticus TM-31 with resect to alkane hydrocarbons was studied.
      
The dependence of cell respiratory activity on the amount ofn-hexadecane within the concentration range of 0.03-0.66% was determined.
      
It was demonstrated that the cells also displayed respiratory activity towards other medium-chainn-alkanes: hexane, octane, decane, tridecane, and heptadecane.
      
The data suggest that the higher respiratory activity ofS.
      
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Although most higher plants are hermophroditic, monoecious or dioeoious plants are not infrequently met with in nature. In some cases, plants or organs of one sex possess greater economic value than those of the other sex. Therefore, to change the sex of plants or vary the numbar of either male or female flowers (usually toward the direction of femaleness) is of both theoretical and practical significance.It has long been observed that the sexuality of plants changes with a change of environmental factors. But...

Although most higher plants are hermophroditic, monoecious or dioeoious plants are not infrequently met with in nature. In some cases, plants or organs of one sex possess greater economic value than those of the other sex. Therefore, to change the sex of plants or vary the numbar of either male or female flowers (usually toward the direction of femaleness) is of both theoretical and practical significance.It has long been observed that the sexuality of plants changes with a change of environmental factors. But those -observed facts received little attention in the past, since they could not be reconciled with the then-prevalent chromosome theory of sex determination. Biologists of the Michurin school believe .that sexuality of plants is but one of the characteristics that the plant exhibits under certain environmental conditions. Thus, like any other characteristic, it is determined by the metabolic conditions of the plants themselves. We are convinced that by changing one or more of the environmental factors, thereby altering the metabolic pattern of the plants, we can successfully control the sexuality of plants for the banefit of mankind.Minina in her monograph has comprehensively reviewed the literature pertinent to the change of sexuality in the plant world under changed enviromental conditions. It has been shown that either treatment with CO, or an alteration of the nutritional status of plants can affect the sex expression of plants.The present investigation purposes to study in greater detail the principles governing the formation of male and female flowers in the cucumber plants.Treatment of the 24-day-old cucumber seedlings with CO gas (at 1%, 0.5% and 0.3%) for 161 hours has remarkably altered the order in which the mala and .female flowers appear. The numbar of female flowers greatly increases, whereas the male flowers do not appear until much later. Marked morphological changes have also been noticed. Physiologically, treated young plants decrease their respiratory activity by 50-70%, as measured at the close of the experimental period. The activity of catalasa has had corresponding changes.When plants are given ample phcspliorus fertilizer successively at the 3-leaf stage, the. stage of bud appearance, and the stage of opening of the female flowers, they bear much more female flowers, whereas the number of male flowers remains unchanged. Plants thus treated also show lower calalase activity hi their leaves.Higher water content of the soil has favored the formation of female flowers. Plants grown under such condition absorb more nitrogen than control plants. This is in line with what is reported in the literature to the effect that high nitrogen is favorable for the development of femaleness.The increase of the number of female flowers is not necessarily connected with the state of the growth of plants. This has led us to believe that it is not the general nutritional status of plants, i.e., the abundance or deficiency of fertilizer, that determines sexuality,The present investigation has clearly demonstrated the possibility that different environmental factors which showed their effect on sex expression may have performed their functions through the same or similar mechanism.The effects of some respiratory inhibitors, including NaN3, malonate, fluoride, etc. are being examined. Investgations are also being undertaken to elucidate the possibility of treatment of seeds with various substances to change the sex ratio of the flowers in the cucumber plants.

在自然界中不少植物是雌雄异株或雌雄同株而异花的。不同性别的植株或花的经济价值不同,因此,定向改变植物性别的问题就不仅仅具有理论上的意义,而且也有着实践上的意义。很早就有人观察到植物性别可随环境而发生改变的事实;但是这些事实没有受到足够的重视,因为它们与性别决定的染色体学说是不相容的。米丘林生物学者认为植物性别的形成和发展也是植物有机体在一定环境条件下所表现的发育特性之一,是决定于植物体内的新陈代谢的。因此,我们深信,通过环境条件的改变,改变植物体内的新陈代谢过程,从而定向地控制植物的性别是完全可能的。 曾详尽而全面地介绍了定向改变植物性别方面的文献。本文目的在于进一步探讨环境条件对于黄瓜雌雄花出现的规律性的影响以及这些影响的生理实质。 在黄瓜幼苗期间用CO(浓度为1%,0.5%,0.3%)处理植株161小时显著地改变了雌、雄花出现的顺序,增加了雌花的数目,降低了雄花的数目。提高了果实的产量。在外部形态方面亦发生了显著的改变。在生理方面,遭受气体处理的植物在处理结束后呼吸强度降低50—70%,过氧化氢酶的活性也有相应的改变。 在植株三叶期、现蕾期、雌花开放期均施以充足的磷肥,这种处理选择性地增加了雌花的数目,而...

在自然界中不少植物是雌雄异株或雌雄同株而异花的。不同性别的植株或花的经济价值不同,因此,定向改变植物性别的问题就不仅仅具有理论上的意义,而且也有着实践上的意义。很早就有人观察到植物性别可随环境而发生改变的事实;但是这些事实没有受到足够的重视,因为它们与性别决定的染色体学说是不相容的。米丘林生物学者认为植物性别的形成和发展也是植物有机体在一定环境条件下所表现的发育特性之一,是决定于植物体内的新陈代谢的。因此,我们深信,通过环境条件的改变,改变植物体内的新陈代谢过程,从而定向地控制植物的性别是完全可能的。 曾详尽而全面地介绍了定向改变植物性别方面的文献。本文目的在于进一步探讨环境条件对于黄瓜雌雄花出现的规律性的影响以及这些影响的生理实质。 在黄瓜幼苗期间用CO(浓度为1%,0.5%,0.3%)处理植株161小时显著地改变了雌、雄花出现的顺序,增加了雌花的数目,降低了雄花的数目。提高了果实的产量。在外部形态方面亦发生了显著的改变。在生理方面,遭受气体处理的植物在处理结束后呼吸强度降低50—70%,过氧化氢酶的活性也有相应的改变。 在植株三叶期、现蕾期、雌花开放期均施以充足的磷肥,这种处理选择性地增加了雌花的数目,而对雄花的数目无影响。受到这种处理的植物

The effect of 2,4-dinitrophenol on the oxidation of succinate in rat-liver mitochondria has been studied with the vibrating platinum microelectrode. It has been found that DNP stimulated the rate of respiration only for a short period of about 1 minute, and this was followed by an inhibited phase of the oxygen-uptake. The inhibited phase no longer appeared if inorganic phosphate was added before, together with or shortly after the addition of DNP when the respiration was still in the stimulated phase, whereas...

The effect of 2,4-dinitrophenol on the oxidation of succinate in rat-liver mitochondria has been studied with the vibrating platinum microelectrode. It has been found that DNP stimulated the rate of respiration only for a short period of about 1 minute, and this was followed by an inhibited phase of the oxygen-uptake. The inhibited phase no longer appeared if inorganic phosphate was added before, together with or shortly after the addition of DNP when the respiration was still in the stimulated phase, whereas after the inhibited phase had set in, the addition of inorganic phosphate had no stimulator(?) effect on the rate of respiration. Arsenate could not replace inorganic phosphate in prolonging the stimulating effect of DNP on succinate oxidation. Neither ADP nor ATP could directly restore the respiratory activity of the above system in the inhibited phase. ADP added after DNP and inorganic phosphate was even somewhat inhibitory. Slow increase in respiration of the DNP inhibited system was observed after short incubation with ATP. These facts suggest that the factor which is essential for maintaining a high rate of oxidation in the DNP-treated system is not ATP or inorganic phosphate as such, but is produced from inorganic phosphate during respiration. It has been suggested as a wo(?)king hypothesis that it is a high energy phosphate intermediate of oxidative phosphorylation, which is essential for maintaining a high rate of oxidation of succinate through the phosphorylating respiratory chain.

利用自动記录振动白金微氧电极的方法观察到DNP对綫粒体中琥珀酸氧化的短暫激活和抑制作用诩尤隓NP以后,呼吸明显被激活,但仅持續約1分鉀,随即逐漸受抑制。加入DNP以前,或在加入DNP以后而呼吸仍在激活阶段时加入无机磷酸盐都可以使呼吸激活阶段大大延长,抑制作用延緩出現。但若在DNP加入以后呼吸已被抑制时方行加入无机磷酸盐則不能使呼吸重行激活。砷酸盐不能代替无机磷酸产生相似效应。在呼吸受DNP抑制以后,加入ADP及ATP都不能使呼吸立刻重行激活,但加入ATP經过保温以后可以使呼吸漸漸有所增加。根据本文結果,我們认为在琥珀酸氧化过程中,氧化磷酸化作用中間物x~P可能参与能量反馈作用,当它的衡态浓度因DNP的作用而降低吋,琥珀酸的氧化即受抑制。根据本文結果,我們认为DNP对琥珀酸氧化抑制的各种現象。似乎不能簡单以草酰乙酸堆积完全加以解释。

Fruits of litchi(Litchi chinensis Sornn) are easy to decay at 28℃ air temperature after harvest.This makes us very difficult to store and transport the fruits.In this report,based on refrigeration,we employed a simple method to control the atmosphere under storage by packing fruits in air- tight polyethylene bags and rapidly decreased O_2 and insreased CO_2 by artificially exhaust process or filling nitrogen. As to the storage life,proper techniques with optimun storage envi- ronmental conditions mentioned in...

Fruits of litchi(Litchi chinensis Sornn) are easy to decay at 28℃ air temperature after harvest.This makes us very difficult to store and transport the fruits.In this report,based on refrigeration,we employed a simple method to control the atmosphere under storage by packing fruits in air- tight polyethylene bags and rapidly decreased O_2 and insreased CO_2 by artificially exhaust process or filling nitrogen. As to the storage life,proper techniques with optimun storage envi- ronmental conditions mentioned in the paper are reported. 1.The simple method of CA storage if combined with a moderately low temperature of about 4-8℃ would markedly retard the respiratory activity of litchi fruits,not only made them slower to decay,but also prevented the quality change and other breakdown processes.Thus the fruits were freshly red,excellent in flavor and taste.The fruits were kept in shape by turgidity.As a whole,the percentage of decay fruits and change in weight were minimized. 2.Recently our investigations showed that litchi fruits could stand the tolerate fairly high CO_2,and that under a concerntration of 30% at 4-8℃ litchi fruits did not run off in flavor,and susceptible to fungal or bacterial attacks.The respiration of the fruits were greatlY suppressed.Thus the storage life of the fruits prolonged.Fruits decayed very few and could maintain in good quality.

荔枝(Litchi chinensis Sornn)的果实在气温(28℃)中容易变质腐烂,不耐贮运。本试验是在冷藏基础上,应用聚乙烯袋包装,分别进行抽气,充氮等人工快速降氧的简易气调方法,探讨荔枝果实在简易气调方法情况下的贮藏寿命,贮藏技术和适宜的贮藏环境条件。1.简易的气调贮藏方法与4~8℃适宜低温相结合,可明显地抑制呼吸活动,防止果实软化腐烂、品质变化和其它腐败过程。而取得贮藏寿命延长达50~70天,并保持果色鲜红、色香味均佳、腐烂率和失重率都降低的效果。2.研究结果表明,荔枝果实对CO_2有相当高的忍受能力,果实在4~6℃、30%CO_2浓度下不致产生不良风味,在高浓度CO_2中真菌生长和果实呼吸作用均被抑制,因而荔枝果实的贮藏寿命延长、腐烂减少并保持良好品质。

 
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