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antagonistic effects
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  拮抗作用
     METHODS: The cytotoxic effects of As2O3 on five myeloma ce ll lines U266, SKO-007, LP-1, HS-Sultan, and KM3 were examined using MTT bioa ssay, and the concentration of 50%growth inhibition (IC50) was calculated. The synergistic or antagonistic effects of menadione (VK3), N-acetyl-cysteine (NAC ), and reduced glutathione (GSH) combined with As2O3 were also examined.
     方法:采用MTT法检测As2O3对5株骨髓瘤细胞U266、SKO-007、LP-1、HS-Sultan和KM3的抑制作用,求出其IC50,同时研究维生素K3(vitamineK3,VK3)、N-乙酰半胱氨酸(N-acetyl-cysteine,NAC)和还原型谷胱甘肽(glutathione,GSH)对As2O3的协同或拮抗作用;
短句来源
     (0.1、0.2mg. kg-1*** p<0.01 vs saline), phy can increased the rat's choice percentage on delayed time in 810scc (0.1mg . kg-1** p<0.05; 0.2mg . kg-1. *** p<0.01 vs saline), and had antagonistic effects on memoria detriment by Scop.
     1、0.2mg/kg对大鼠的作业记忆和参照记忆均有一定的抑制作用(***p<0.01,与生理盐水组比较),phy能增加大鼠810sec迟延时间的正选择率(O.1mg/kg时**p<0.05;0.2mg/kg时***p<0.01)并且对Scop所致的记忆障碍有拮抗作用
短句来源
     ANTAGONISTIC EFFECTS OF ISOPRENALINE ON 15-METHYL-PROSTAGLANDIN F_(2α)-INDUCED ABORTION IN MICE
     异丙肾上腺素对15-甲基前列腺素F_(2α)致小鼠流产的拮抗作用
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     Sodium selenite at 35.00 μmol/L did not have antagonistic effects on DNA damage induced by cadmium chloride at 8.75, 17.50 and 35.00 μmol/L.
     当亚硒酸钠为 35 0 0 μmol/L时 ,则对 8 75 μmol/L、17 5 0 μmol/L和35 0 0 μmol/L的氯化镉没有明显拮抗作用
短句来源
     Among which 16 strains showed good antagonistic effects with 6—11mm inhibition zone diameter and>2.0 antagonistic coefficient, 7 of 16 strains showed steady antagonistic effects.
     经室内复筛试验有16个菌株对枯萎病菌抑菌带的宽度达6~11 mm,拮抗系数大于2.0,其中有7个菌株拮抗作用稳定。
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  拮抗效应
     0.75,1.50 and 3.00 mg/kg of sodium selenite presented antagonistic effects against DNA damage induced by 250 mg/kg of BaP in mouse's lung cells. The antagonistic effect of sodium selenite at the dose of 1.50 mg/kg was better than those of sodium selenite at the doses of 0.75,3.00 mg/kg.
     0 .75、1.5 0、3.0 0mg/kg的亚硒酸钠对 2 5 0mg/kgBaP诱导的小鼠肺细胞DNA损伤具有明显的拮抗效应 ,1.5 0mg/kg亚硒酸钠的拮抗作用优于 0 .75、3.0 0mg/kg的亚硒酸钠 ,差异有显著性 (P <0 .0 5 )。
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     This is an evidence that there are antagonistic effects of Fe on Cd and Zn respectively.
     这表明Fe对Cd和Zn均有一定的拮抗效应
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     ANTAGONISTIC EFFECTS OF PACLOBUTRAZOL AND GA_3 N GROWTH AND DEVELOPMENT OF CUCUMBER SEEDLING
     多效唑对黄瓜幼苗生长发育的影响及其与GA_3拮抗效应的研究
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     OBJECTIVE To study the antagonistic effects of isoliensinine(IL) on stretch-induced arrhythmia.
     目的:研究异莲心碱(isoliensinine,IL)对牵张性心律失常的拮抗效应
短句来源
     Experimental Observations on the Antagonistic Effects of Coordinated Acupoints
     腧穴配伍拮抗效应的实验观察
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  拮抗效果
     By inoculated to tobacco plants, six strains could be re-isolated from the inoculated plants, indicating that they were endophytic bacteria in tobacco. Culture these eight bacteria and Phytophthora parasitica var. nicotianae together, the result showed four endophytic bacteria YN-55, NN-3, YN-4 and YN-10 have the best antagonistic effects.
     将这8株内生细菌与烟草黑胫病菌共培,进一步测定拮抗效果结果显示YN-55、NN-3、YN-4和YN-10 4株拮抗效果最好,均在66%以上,并且这4种细菌均对孢子囊的产生有较强的抑制作用,而菌株发酵液对孢子囊的产生的抑制作用不明显。
短句来源
     254 strains were isolated and purified from the soil samples, which were collected from rhizosphere of the crop in the suburban districts of Shanghai from 2003 to 2005. One strain of P13 was screened out from 254 isolates, which expressed stronger antagonistic effects on Sclerotinia sclerotiorum trough dual culture method.
     2003—2005年,在上海市郊采集常见作物的根际土壤样品,经分离和纯化后共得到254个产荧光的细菌菌株。 采用平板对峙培养法测定这些菌株对油菜菌核病菌的拮抗效果,结果从这254个菌株中筛选出了一个高效菌株P13。
短句来源
  “antagonistic effects”译为未确定词的双语例句
     Similar antagonistic effects of BN_3A(0.01, 0.1, 1 and 10 μg·ml~(-1)), BN_3B (0.05, 0.5 and 5 μg·ml~(-1)) and BN_3C (5 μg·ml~(-1)) wereobserved when the immunosuppressive drug hydrocortisone was substituted by cyclosporin A.
     BN_3A(0.01,0.1,1和10μg·ml~(-1)),BN_3B(0.05,0.5和 5μg·ml~(-1))及BN_3C(5 μg·ml~(-1))亦分对抗环孢素A对小鼠脾细胞IL-2产生的抑制效应。
短句来源
     P27 kip1 and EGFR demonstrated antagonistic effects the proliferative activity of astrocytoma.
     2 .P2 7kip1、EGFR对星形胶质瘤增殖活性起相互拮抗的作用。
短句来源
     Antagonistic effects of cyproheptadine and anisodamine on [Ca~(2+)]_i elevation induced by TNF_α in endothelial cell strains
     噻庚啶和山莨菪碱拮抗TNF_α诱导的内皮细胞[Ca~(2+)]_i增高
短句来源
     The antagonistic effects of SOD-1 on arrhythmia induced by ET-1 were dose-related. And the arrhythmia score in the group pretreated with SOD-1 0.1 mg/kg administered into proxial LAD was 0.20± 0.17, significantly lower than that in the ET-1 group in cats(5. 17±1. 60,P<0. 05).
     6例猫LAD起始段注射SOD-10.1mg/kg后再予ET-160pmol/kg,其心律失常评分为0.20±0.17,显著低于同剂量ET-1对照组(5.17±1.60,P<0.01)。
短句来源
     APS(50 to 250 μg/ml)and GS( 1. 0 to 100 μg/ml) showed significant in vitro antagonistic effects on increased ratio of cAMP /cGMP in stimulated macrophages and splenocytes from traumatized mice.
     一定浓度范围内的APS(50~250μg/ml)、GS(1.0~100μg/ml)在体外可明显拮抗创伤小鼠激活状态的巨噬细胞及脾细胞内cAMP/cGMP比值的增高。
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  antagonistic effects
Nitric oxide, produced from exogenous NO donor, sodium nitroprusside, and hydrogen peroxide exerted antagonistic effects on tobacco leaves at micromolar concentrations but induced synergistic effects at millimolar concentrations.
      
Recent findings on different subtypes of estrogen receptors (ER-α and ER-β) may explain some antagonistic effects as proliferation in the one (endometrium) and anti-proliferation in the other (vascular wall) tissue.
      
In previous experiments PY 108-068 (PY) has been found to have more potent calcium antagonistic effects on vascular smooth muscle than on myocardial tissue.
      
These agents have additional antagonistic effects at histamine H1, muscarinic cholinergic, α1-adrenergic, α2-adrenergic and dopamine receptors, but drugs which are selective for these non-5-HT receptors appear to be of no benefit in migraine.
      
Transforming growth factor beta1 (TGF-beta1) has antagonistic effects on TNF-alpha and IL-1-mediated processes.
      
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The combined toxicity of sodium antimony gluconate (SAG_(sb)~v) and tartar emetic (PAT_(sb)~Ⅲ) was analysed in mice according to Loewe's method. It was found that when sodium antimony gluconate in the doses of 1/4, 1/2, and 3/4 respectively of its LD_(50) was used in combination with tartar emetic, a marked antagonistic effect in their toxicities occured.

本文用Loewe图解分析法分析了五价葡萄糖酸锑钠与三价酒石酸锑钾合并应用时对小白鼠的毒性。结果发现用五价葡萄糖酸锑钠LD_(50)的1/4,1/2及3/4的剂量分别与三价酒石酸锑钾合并应用时,二种锑剂的毒性间有明显的对抗作用。

Based on the known histological and electrophysiological data concerning the receptive fields of the vertebrate retina, a mathematical model was proposed. This model consists of three layers of net-works in which net-work elements R of the first layer represent receptors, elements I of the second layer represent connective cells (including bipolar, horizontal and amarcrine cells) and elements G of the third layer represent ganglion cells. Suppose that I and G possess operating properties of spatial summation...

Based on the known histological and electrophysiological data concerning the receptive fields of the vertebrate retina, a mathematical model was proposed. This model consists of three layers of net-works in which net-work elements R of the first layer represent receptors, elements I of the second layer represent connective cells (including bipolar, horizontal and amarcrine cells) and elements G of the third layer represent ganglion cells. Suppose that I and G possess operating properties of spatial summation and of threshold and the connections between the elements of two neighbouring layers have two modes, one excitating (signed by 1) and the other inhibiting (signed by-1), then the one-dimensional discrete model is expressed as follows:g=[W·[K·AR]_α]_β(1)where g is the output of a ganglion cell,A=(α_1 α_2…α_n)is a vector which represents the light spot input,K=(K_11 K_12 K_13 …K_(1n) K_(21) K_(22) K_(23) …K_(2n) ……K_(m1) K_(m2) K_(m3) …K_(mn)) is the connection matrix between the first and the second layers,W=(w_1,w_2,w_3,…w_m)is the connection matrix between the second layer and the ganglion cell, α and β represent the thresholds of cells belonging to the second layer and ganglion cells respectively and R describes the characteristics of the receptors.Equation (1) can also be written as follows:In some aspects, this model conforms qualitatively with electrophysiological data on receptive fields conducted with small spot lights, i. e.(1) When various values of K were taken, this model qualitatively shows correspondingly the properties of on-center RF, off-center RF and on-off RF.(2) So far as on-RF and off-RF are concerned, this model has three different response regions and shows the antagonistic effect among different regions.(3) For any receptive field, this model presents the property that within the receptive field the excitation level varies with different regions. The model also possesses perfect summation region, partial summation region and inhibition region.Methods are also suggested for the construction of some models having special spatial properties.The model was further extended to a two-dimensional, continuous form:(3) where k (x, y, ξ, η)is a weighting function. When k is taken as a kind of spatial invariant linear system then (3) can be written as (4)The significance of the system in information processing of the visual system is also discussed.

根据视网膜感受野的组织学和电生理资料,我们提出视网膜感受野的数学模型,其一维离散的情况的表达式是:g=[W·[K·A·R]_α]_β其中:A是输入向量,R是感受细胞的传递特性,K是第一层细胞与第二层细胞之间的联系矩阵,W是第二层细胞与神经节细胞之间的联系向量,α和β分别代表第二层细胞和节细胞的阈值。当K取某些特定值时,可分别模拟on-RF,off-RF,on-off-RF,在用小光点刺激下感受野的性质来检验模型,在感受野的一些空间特性方面定性上有较好的符合。本文讨论了构造特殊功能感受野的模型的一些方法。最后,把模型推广到二维连续的形式:并对其中的传递密度函数k(x,y,λ,θ),作了一些讨论。

Based on the known histological and electrophysiological data concerning the receptive fields of the vertebrate retina, a mathematical model was proposed. This model consists of three layers of net-works in which net-work elements R of the first layer represent receptors, elements I of the second layer represent connective cells (including bipolar, horizontal and amarorine cells) and elements G of the third layer represent ganglion cells. Suppose that I and G possess operating properties of spatial summation...

Based on the known histological and electrophysiological data concerning the receptive fields of the vertebrate retina, a mathematical model was proposed. This model consists of three layers of net-works in which net-work elements R of the first layer represent receptors, elements I of the second layer represent connective cells (including bipolar, horizontal and amarorine cells) and elements G of the third layer represent ganglion cells. Suppose that I and G possess operating properties of spatial summation and of threshold and the connections between the elements of two neighbour ing layers have two modes, one excitating (signed by 1) and the other inhibiting (signed by-1), then the one-dimensional discrete model is expressed as follows:g=[W·[K·AR]_α]_β (1)where g is the output of a ganglion cell,is a vector which represents the light spot input,is the connection matrix between the first and the seoond layers,W=(w_1, w_2, w_3,…w_m)is the connection matrix between the second layer and the ganglion cell, α and β represent the thresholds of cells belonging to the second layer and ganglion cells respec tively and R describes the characteristics of the receptors.Equation (1) can also be written as follows:In some aspects, this mode] conforms qualitatively with electrophysiologioal data on receptive fields conducted with small spot lights, i. e.(1) When various values of K were taken, this model qualitatively shows corres pondingly the properties of on-center RF, off-center RF and on-off RF.(2) So far as on-RF and off-RF are concerned, this model has three different response regions and shows the antagonistic effect among different regions.(3) For any receptive field, this model presents the property that within the recep tive field the excitation level varies with different regions. The model also possesses perfect summation region, partial summation region and inhibition region.Methods are also suggested for the construction of some models having special spatial properties.The model was further extended to a two-dimensional, continuous form:where k (x, y,ξ, η)is a weighting function. When k is taken as a kind of spatial invariant linear system then (3) can be written asThe significance of the system in information processing of the visual system is also discussed.

根据视网膜感受野的组织学和电生理资料,我们提出视网膜感受野的数学模型,其一维离散的情况的表达式是:g=[W·[K·A·R]_a]_β其中:A是输入向量,R是感受细胞的传递特性,K是第一层细胞与第二层细胞之间的联系矩阵,W是第二层细胞与神经节细胞之间的联系向量,α和β分别代表第二层细胞和节细胞的阈值。当K取某些特定值时,可分别模拟on-RF,off-RF,on-off-RF,在用小光点刺激下感受野的性质来检验模型,在感受野的一些空间特性方面定性上有较好的符合。本文讨论了构造特殊功能感受野的模型的一些方法。最后,把模型推广到二维连续的形式:■并对其中的传递密度函数k(x,y,λ,θ),作了一些讨论。

 
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