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钙对
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  calcium in
     PTM with high bone turnover lost much more bone mass than DTM with low bone turnover which were related to the speed of body moving skeletal calcium in different site.
     结论: 低钙对PTM和DTM骨骼产生不同程度的影响,骨高转换的PTM比代谢缓慢的DTM骨丢失程度严重,这种影响的差异可能与机体动用不同部位骨钙的快慢有关。
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     The study of the effect of calcium in calcium aluminate ore Powder on the product property of aluminum - calcium saltcoagulants
     铝酸钙矿粉中的钙对铝钙盐混凝剂产品性能影响的研究
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     The Role of Calcium in Alleviating Photoinhibition in NaCl-stressed Leaves of Rumex K-1 Seedlings
     钙对NaCl胁迫下杂交酸模(Rumex K-1)幼苗叶片光抑制的减轻作用
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     The corrosion function of Calcium in CaSi-treated hot steel on Al2O3-C refractories has ben analyzed by means of chemical and thermal dynamic and phase diagram principle.
     用化学热力学和相图原理,分析了CaSi处理钢水中钙对连铸用Al_2O_3-C质耐火材料的化学蚀机理;
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     Effect of the content of dietary calcium on the absorption and utilization of calcium in ovariectomized rats
     膳食钙对去势雌鼠钙吸收利用的影响
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     Influence of Calcium Sulfite upon the Setting-Time of C_3A and C_4AF
     亚硫酸钙对C_3A和C_4AF凝结时间的影响
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     Effects of Ca~(2+) on the activities of Ca~(2+)-ATPase,Mg~(2+)-ATPasein chloroplast and Ca~(2+) distribution in peanut seedlings
     外源钙对高温胁迫下花生幼苗叶绿体Ca~(2+)-ATPase、Mg~(2+)-ATPase活性及Ca~(2+)分布的影响
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     Thr(1500u/L) ,ADP 3μmol/L and 5 - HT(3μmol/ L) induced cyto - solic - free calcium mobilization was heightened with increasing density.
     血小板细胞内游离钙对Thr 1500u/L、ADP3μmol/L及5-HT3μmol/L诱导的钙动员量也随血小板密度增高而增加。
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     Effects of calcium dobesilate on glomerulus MMP9/TIMP1 of diabetic rats
     羟苯磺酸钙对糖尿病大鼠肾小球MMP9/TIMP1的影响
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     Effect of Calcium on Adherence ;of Streptococcus mutans MT6R(Serotype c) Surface Protein P1
     钙对变形链球菌MT6R(血清型c)表面蛋白P1粘附的影响
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  相似匹配句对
     For accessions in the O.
     在O.
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     In [1] W.
     W.
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     Calcium Effects on Organ Capacity of Sports
     人体运动能力的影响
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     Radix matter acts as cement of calcium oxalate.
     基质草酸起胶结作用 ;
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  calcium in
The peak current was proportional to the concentration of calcium in the range of 5.0×10-8-4.2×10-5 mol L-1.
      
This method was applied successfully to determining traces of calcium in blood serum.
      
Calcium in the Control of Nitrogenase Activity in Vicia faba L.
      
Cross-Talk between Reactive Oxygen Species and Calcium in Living Cells
      
Na+/Ca2+ exchange and regulation of cytoplasmic concentration of calcium in rat cerebellar neurons treated with glutamate
      
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To three cultural media composed of montmorillonitic,kaolinitic and illitic type of clay minerals,treatments were made for varying degrees of saturation of exchange- able calcium,magnesium and potassium with constant base exchange capacity.The effect of complementary ions on the availability of exchangeable Cations was judged from the yields as well as their chemical composition of the plants growing on them. The results are summarized as follows. 1.No difference was noticeable among different types of clay...

To three cultural media composed of montmorillonitic,kaolinitic and illitic type of clay minerals,treatments were made for varying degrees of saturation of exchange- able calcium,magnesium and potassium with constant base exchange capacity.The effect of complementary ions on the availability of exchangeable Cations was judged from the yields as well as their chemical composition of the plants growing on them. The results are summarized as follows. 1.No difference was noticeable among different types of clay minerals with respect to the effect of the nature of complementary ions on the availability of the exchangeable cations. 2.As a complementary ion,the higher the degree of saturation of calcium,the lower the availability of the exchangeable magnesium.Similarly,magnesium as a complementary ion has also the same effect on the availability of exchangeable mag- nesium as calcium does on magnesium. 3.The availability of exchangeable potassium increases with the increase of the degree of saturation of calcium functioning as a complementary ion to the exchangeable potassium.But,to the contrary,potassium as a complementary ion affects the availa- bility of exchangeable calcium in the reverse direction.Situation is just about the same between the mutual effect of the exchangeable magnesium and potassium. 4.Results from illitic series of the cultural media showed that with respect to the availability of exchangeable potassium,calcium as a complementary ion is preferable to magnesium,and with respect to the availability of exchangeable calcium,potassium as a complementary ion is superior to magnesium. 5.From the results,it seems that under the conditions of the same base exchange capacity and the same amount of exchangeable potassium content,calcium clay will afford more available potassium as compared with hydrogen clay.This gives a new explanation of the disadvantages of the acid soil and adds to the support for liming an acid soil.According to the author's opinion,the reported deficiency of available calcium supply in some of the alkali soils,in which the total calcium content was known to be sufficient,may be explained from the standpoint of the unfavorable effect of the complementary ion (Na) on calcium. 6.Suggestions are made that rational application of mineral fertilizers should be made according to the status of the exchangeable cations of the soil.It is rather the degree of saturation of the exchangeable cations and the nature and proportion of the complementary ions than the absolute amount of the nutrients as such or the total percentage content of them on the soil weight basis,that will count in order to afford sufficient quantities of available cations for the nutrition of the plants.The unit of fertilization rate (dosage) is,indeed,a relative concept (relative to the base exchange capacity) and not an absolute weight or an ordinary percentage concept. 7.Attempts were made to explain the effect of different complementary ions on the availability of exchangeable cations by the concept of exchange bonding energy of the various cations.The explanation is serviceable in limited cases.More work is yet to be done before a satisfactory theory can be found to fully explain the com- plementary ion effect. 8.It is reasonable to doubt whether some of the antagonistic phenomena between cations observed on the plants growing in soil reported by physiologists are actually physiological problems at all.Might not these be just matters of complementary ion effects in the soil?

在蒙脱石系、高陵石系及水化云母系的培养基里,人为地调节 Ca、Mg、K 三种代换性阳离子的饱和度,把其中任意两个阳离子的饱和度维持不变,而把其余一个阳离子作为陪补离子,调节其饱和度,使其在适当的范围内变化,以观察其对植物生长及其组织的化学组成的影响。试验的主要结果,简要地总结如下:1.陪补离子对代换性阳离子的有效度的影响,无论在高陵石系中或蒙脱石系中,结果都是一致的。这说明它们之间有共同规律可循,和粘粒矿物的种类无关。2.陪补离子钙对代换性镁离子的有效度有不利的影响。反之,陪补离子镁对代换性钙离子的影响也相同。3.作为陪补离子的钙,当其饱和度增大时,代换性钾离子的有效度亦随之而增加。但反之作为陪补离子的钾,当其饱和度增大时,却反降低了代换性钙离子的有效度。4.至于镁离子和钾离子间的相互影响,则情况和钙、钾之间的相互影响同。(见3)5.水化云母系的试验结果表明:对代换性钾离子的有效度而言,作为陪补离子的钙比镁更为理想,而对代换性钙离子的确效度言,则陪补离子钾又比镁更为理想。6.从试验结果看来,在含同量代换性钾及同一盐基代换量的条件下,钙质粘土的钾素供应状况应优于氢质粘土。这对酸性土壤提供了一种新的看...

在蒙脱石系、高陵石系及水化云母系的培养基里,人为地调节 Ca、Mg、K 三种代换性阳离子的饱和度,把其中任意两个阳离子的饱和度维持不变,而把其余一个阳离子作为陪补离子,调节其饱和度,使其在适当的范围内变化,以观察其对植物生长及其组织的化学组成的影响。试验的主要结果,简要地总结如下:1.陪补离子对代换性阳离子的有效度的影响,无论在高陵石系中或蒙脱石系中,结果都是一致的。这说明它们之间有共同规律可循,和粘粒矿物的种类无关。2.陪补离子钙对代换性镁离子的有效度有不利的影响。反之,陪补离子镁对代换性钙离子的影响也相同。3.作为陪补离子的钙,当其饱和度增大时,代换性钾离子的有效度亦随之而增加。但反之作为陪补离子的钾,当其饱和度增大时,却反降低了代换性钙离子的有效度。4.至于镁离子和钾离子间的相互影响,则情况和钙、钾之间的相互影响同。(见3)5.水化云母系的试验结果表明:对代换性钾离子的有效度而言,作为陪补离子的钙比镁更为理想,而对代换性钙离子的确效度言,则陪补离子钾又比镁更为理想。6.从试验结果看来,在含同量代换性钾及同一盐基代换量的条件下,钙质粘土的钾素供应状况应优于氢质粘土。这对酸性土壤提供了一种新的看法,并对酸土中施用石灰的意义,也多了一种新的认识。 7.在讨论里,作者对某些富含钙质的碱土而反有钙素营养不足的事实,从陪补离子影响的角度试作了解释。并同时提出矿质施肥上的新的施肥原则,要求在施肥时,应对土壤中有关吸收性养料的有效度问题方面作更多的全面考虑——例如,代换性阳离子的饱和度,陪补离子的影响者。8.作者尝试着用代换吸附键能的概念,对陪补离子影响于代换性阳离子的有效度的某些事实,进行了解释,但这些解释目前还不能圆满,它们只是在一定的条件下才成立的假说而已。9.报告中还联系了拮抗作用和陪补离子的影响,指出它们之间有若干相似的意义。

A brief study on the effect of addition of cumene hydroperoxide (II, CHP, in text) without or with simultaneous addition of an alkaline additive (sodium carbonate or calcium oxide) on the reduction of the induction period in the autoxidation of cumene (I) showed that the heterogeniety inherent in the latter systems resulted in poor reproducibility. Sodiumsalt of cumene hydroperoxide (III) was introduced as an oilsoluble system in which the initiator and the alkaline additive are in combination. Experiments with...

A brief study on the effect of addition of cumene hydroperoxide (II, CHP, in text) without or with simultaneous addition of an alkaline additive (sodium carbonate or calcium oxide) on the reduction of the induction period in the autoxidation of cumene (I) showed that the heterogeniety inherent in the latter systems resulted in poor reproducibility. Sodiumsalt of cumene hydroperoxide (III) was introduced as an oilsoluble system in which the initiator and the alkaline additive are in combination. Experiments with various amounts of III at 110° 120°and 130°that the induction period and the autocatalysis were either completely or practically eliminated. The reproducibility of the experiments accompanying the use of III was extremely good. The rate of accumulation of II was 16±0.7% (wt.)/hr. at. 130° at 120° the rate was 8.7%/hr. except when the amount of III was 3.33% (7.3%/hr.); at 110° the rate varies more pronouncedly with the amount of III (3.0-5.0%/hr.).

初步观察了在异丙苯(Ⅰ)自动氧化为异丙苯过氧化氢(Ⅱ)中仅加入异丙苯过氧化氢作为引发剂及同时加入硷性添加剂碳酸钠或氧化钙对缩短或消除诱导期及对Ⅱ累积速率的影响。由于在上述体系中固体硷性剂的悬浮性使反应不易重复,引用了油溶性的异丙苯过氧化氢钠盐(Ⅲ)作为引发剂-硷性剂二者合而为一的体系,用不同加入量,在110°、120°及130℃进行试验,发现诱导期及自动催化期完全或基本上消除,反应极易重复。Ⅱ的累积较在前述情况下的为佳。 在用密闭系统吸氧法进一步研究有Ⅲ存在下的诱导期消失情况时,发现在氧化开始最初几分钟内有快速吸氧现象。认为这是硷与Ⅱ作用引发了氧化链。仅仅加入氢氧化钠也同样产生起始快速吸氧现象,这应是Ⅰ中存在的微量Ⅱ所引起的。在使用Ⅲ情况下的氧化效率求出为92—97%。 迸行了在110°的Ⅰ自动氧化中加入硬酯酸钴的催化效应的研究,消除了诱导期。虽然起始累积速率提高了,但是由于钴盐对Ⅱ的分解,Ⅱ的累积程度不高。同时加入少量Ⅱ并不更加提高起始的累积速率,显然Ⅰ中已有的微量Ⅱ已足够担负与钴盐作用引起反应链。同时加入钴盐和Ⅲ大大提高了Ⅱ的累积速率,相当于仅加Ⅱ或Ⅲ时在130°的累积速率。累积程度亦可达...

初步观察了在异丙苯(Ⅰ)自动氧化为异丙苯过氧化氢(Ⅱ)中仅加入异丙苯过氧化氢作为引发剂及同时加入硷性添加剂碳酸钠或氧化钙对缩短或消除诱导期及对Ⅱ累积速率的影响。由于在上述体系中固体硷性剂的悬浮性使反应不易重复,引用了油溶性的异丙苯过氧化氢钠盐(Ⅲ)作为引发剂-硷性剂二者合而为一的体系,用不同加入量,在110°、120°及130℃进行试验,发现诱导期及自动催化期完全或基本上消除,反应极易重复。Ⅱ的累积较在前述情况下的为佳。 在用密闭系统吸氧法进一步研究有Ⅲ存在下的诱导期消失情况时,发现在氧化开始最初几分钟内有快速吸氧现象。认为这是硷与Ⅱ作用引发了氧化链。仅仅加入氢氧化钠也同样产生起始快速吸氧现象,这应是Ⅰ中存在的微量Ⅱ所引起的。在使用Ⅲ情况下的氧化效率求出为92—97%。 迸行了在110°的Ⅰ自动氧化中加入硬酯酸钴的催化效应的研究,消除了诱导期。虽然起始累积速率提高了,但是由于钴盐对Ⅱ的分解,Ⅱ的累积程度不高。同时加入少量Ⅱ并不更加提高起始的累积速率,显然Ⅰ中已有的微量Ⅱ已足够担负与钴盐作用引起反应链。同时加入钴盐和Ⅲ大大提高了Ⅱ的累积速率,相当于仅加Ⅱ或Ⅲ时在130°的累积速率。累积程度亦可达40%。可供工业上考虑采用。

In order to meet the urgent demand of chemical control of wheat rusts, studies were made in the present work on the application, of rust chemotherapeutants. Greenhouse tests have been started since 1958, and out of 250 chemicals sulfanilic acid, sodium

治疗剂的应用是防治小麦锈病的新方向,已引起国际上普遍重视,并有不少成功的先例。国内已往所应用的防锈药剂,仍局限于保护剂。1958年通过温室小麦幼苗的接种喷药试验,从将近300种化学药剂中选出氨基苯磺酸及其钠盐、氨基磺酸钙、氨基磺酸铵及盐酸苯肼等5种药剂对小麦三种锈病(条锈、叶锈、干锈)均具有优良的治疗效果。这5种药剂中以氨基苯磺酸及其钠盐和氨基磺酸钙的治疗效果较为突出。喷布0.4%氨基苯磺酸、1%氨基苯磺酸钠和0.5%氨基磺酸钙后对条锈病的治疗效果分别为70%、65%和70%;对叶锈病的治疗效果分别为80.7%、73.2%和84.4%,喷布的浓度愈高防治效果愈大,每次喷药的有效时期约为二星期。1959年先后在福建省莆田县、安徽省歙县和宿县、河南信阳及吉林公主岭等地进行的田间试验一致肯定了温室的结果。每亩用量为200—300斤水溶液,喷施2—3次。0.4%氨基苯磺酸对条锈病、叶锈病和稈锈病的平均防治效果分别为80.2%、93.7%和89.2%;1%氨基苯磺酸钠对三种锈病的平均防治效果分别为87.3%、85.8%和84.1%;0.8%氨基磺酸钙对三种锈病的平均防治效果分别为80.2%、96.6%及77...

治疗剂的应用是防治小麦锈病的新方向,已引起国际上普遍重视,并有不少成功的先例。国内已往所应用的防锈药剂,仍局限于保护剂。1958年通过温室小麦幼苗的接种喷药试验,从将近300种化学药剂中选出氨基苯磺酸及其钠盐、氨基磺酸钙、氨基磺酸铵及盐酸苯肼等5种药剂对小麦三种锈病(条锈、叶锈、干锈)均具有优良的治疗效果。这5种药剂中以氨基苯磺酸及其钠盐和氨基磺酸钙的治疗效果较为突出。喷布0.4%氨基苯磺酸、1%氨基苯磺酸钠和0.5%氨基磺酸钙后对条锈病的治疗效果分别为70%、65%和70%;对叶锈病的治疗效果分别为80.7%、73.2%和84.4%,喷布的浓度愈高防治效果愈大,每次喷药的有效时期约为二星期。1959年先后在福建省莆田县、安徽省歙县和宿县、河南信阳及吉林公主岭等地进行的田间试验一致肯定了温室的结果。每亩用量为200—300斤水溶液,喷施2—3次。0.4%氨基苯磺酸对条锈病、叶锈病和稈锈病的平均防治效果分别为80.2%、93.7%和89.2%;1%氨基苯磺酸钠对三种锈病的平均防治效果分别为87.3%、85.8%和84.1%;0.8%氨基磺酸钙对三种锈病的平均防治效果分别为80.2%、96.6%及77.7%,但使用后叶部呈现药害。同样情况下波美0.5度石硫合剂对三种锈病的平均防治效果仅为50%左右。氨基苯磺酸钠易溶于水,当使用30%的浓度,每亩喷施6斤时,对稈锈病的防治效果仍然良好,有希望应用于大面积飞机防治。磺酸制剂除了能抑制锈菌夏孢子形成外还能改变小麦品种对条锈病的反应。对条锈病高度感染的碧玛一号(反应类型为“4”)喷药后变为高度抵抗(反应类型为“1”),产生典型的过敏性枯斑。喷布氨基苯磺酸后较对照有不同程度的增产(5—30%),对种子萌发并无不良影响,但氨基磺酸钙对种子萌发有显著的抑制作用。应用氨基苯磺酸的植株所产种子经初步分析发现种子含有微量药剂,对人畜无不良影响;喷布浓度为0.4%时种子含药量仅为2.28—7.80微克/每克种子重,其中至少有一半药量由喷布于穗部的药附着于种子表面。锈菌夏孢子发芽试验证明,水洋菜中含0.01—0.04M氨基苯磺酸时由于酸性较强(pH3—4),对孢子发芽有抑制作用;当pH值调节至6以上时,孢子仍能正常萌发。叶面喷施氨基苯磺酸后亦因酸度提高,对孢子萌发亦有抑制作用。氨基苯磺酸在植株体内的抑菌浓度视药剂在接种后施用的早晚而有差异,接种后1—5天施用0.01M浓度后的体内,药剂最终抑菌浓度为125—401微克/每克鮮叶重。黑麦成株试验局部施药后在短期内卽转运至未喷药的部位,距施药部位愈远的叶片、叶鞘和莖干含药量愈低;小麦幼苗第一叶喷药后6天第二叶卽含有很高药量,19天后仍保持900微克/每克鮮叶,高于有效抑菌浓度。氨基苯磺酸在植株体内抑菌作用的机制仍须进一步进行研究。

 
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