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combined effect
相关语句
  复合作用
    The present work shows that the combined effect of enhanced UVB and high CO2 on broad bean seedling is a kind of match action. 
    分析认为,UV-B辐射和CO2复合作用对蚕豆幼苗的影响是一种拮抗作用。
短句来源
  协同效应
    (2) There was a combined effect of salinity and alkalinity in mixed salt-alkaline stress, and this effect was more great than either simple saline stress or alkaline stress.
    (2)混合盐碱胁迫中的盐度和碱度(pH)间具有协同效应,即高盐度与高pH加合后对高粱幼苗的危害作用明显大于各因素的单独作用。
短句来源
    The results showed that the combined effect of NP and BPA was greater than the sum of their individual effects. The interaction of NP and BPA was synergism action.
    将联合暴露结果与单一暴露结果进行对比,结果表明,NP和BPA联合作用时,对斑马鱼的雌激素效应远大于单一毒物雌激素效应之和,二者相互作用时表现出协同效应
短句来源
    A significant combined effect was also observed.
    并且低剂量γ-射线与香烟烟雾水溶物还有极显著的协同效应
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  “combined effect”译为未确定词的双语例句
    1.4-8.7%and 7.9-28.9% reductions in yield were observed for acid rain of pH4.6 and combined effect of acid rain and SO2.
    模拟酸雨(pH2.8,3.6)使蔬菜减产1.4—8.7%,而模拟酸雨与SO_2复合污染可使蔬菜产量减少7.9—28.9%(P<0.05)。
短句来源
    Objective To study the combined effect of difluoromethylornithine (DFMO) and bcl 2 antisense RNA in the induction of apoptosis of HL60 cells.
    目的 观察二氟甲基鸟氨酸 (DFMO)及反义bcl 2调控bcl 2基因表达对HL6 0细胞凋亡的诱导作用。
短句来源
    INDUCTION OF EBV-DNase ACTIVITY BY THE COMBINED EFFECT OF CROTON OIL AND n-BUTYRIC ACID ON THE RAJI CELL
    巴豆油正丁酸对Raji细胞的联合诱导作用
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    Effects of Cd, Zn and Their Combined Effect on the Wheat (Triticum aestivum L. ) Root Growth
    镉、锌及其复合污染对小麦种子根生长的影响
短句来源
    Darcy’s law is adopted to the model. Under the combined effect of mass equation, momentum equation and energy equation, we could obtain all the process of the flow and phase-change of sweat in sweat gland.
    我们在模型中引入了多孔介质的Darcy定律,在质量连续方程和能量连续方程的共同作用下可以求汗液在汗腺中的流动和相变全过程。
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  combined effect
A combined effect of iron deficiency and root anoxia on the biochemical composition, function, and structure of pea leaf chloroplasts was studied.
      
Strains considered for introduction into the environment for bioremediation should be assessed with regard to their susceptibility to the combined effect of anthropogenic and natural stress factors.
      
The coefficients of combined effect of these compounds or their dithioanalogs with permethrin were determined.
      
Combined Effect of Diazepam and GABAA-ergic Ligands on the Activity of Cl--ATPase in Plasma Membrane of Bream Brain (Abramis bra
      
We studied the combined effect of diazepam and GABAA-ergic ligands on the activity of Cl--ATPase in plasma membrane of bream brain.
      
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The crude preparation of polynucleotide phosphorylase isolated from Escherichia coli contains pyrophosphatase and the P~(32)-labeled phosphate is contaminated with P~(32)-labelled pyrophosphate; the combined effect of these two factors prevents the use of P~(32)-exchange method for the assay of polynucleotide phosphorylase. Therefore the P~(32)-labelled phosphate must be previously hydrolyzed in acid solution.Phosphomonoesterase has also been found in the crude preparation. When the concentration of protein...

The crude preparation of polynucleotide phosphorylase isolated from Escherichia coli contains pyrophosphatase and the P~(32)-labeled phosphate is contaminated with P~(32)-labelled pyrophosphate; the combined effect of these two factors prevents the use of P~(32)-exchange method for the assay of polynucleotide phosphorylase. Therefore the P~(32)-labelled phosphate must be previously hydrolyzed in acid solution.Phosphomonoesterase has also been found in the crude preparation. When the concentration of protein is over 0.1 mg. per milliliter of reaction mixture, the assay of polynucleotide phosphorylase is strongly impeded.By using the procedure described in this paper, 400-fold purified preparation of polynucleotide phosphorylase was obtained. This preparation appears to be free from activities of nucleases, alkaline phosphatase, 5'-nucleotidase and pyrophosphatase.The purified preparation is stable to heat. After treatment at 37℃ and 47℃ for 20 minutes, the enzyme activities remained were 87.2% and 82.7% respectively. TMV-RNA, yeast HRNA and commercial yeast RNA have the ability to stabilize the enzyme activity.

大腸杆菌的抽提液中,合有焦磷酸酯酶,P~(32)中含有放射性焦磷酸,二者的联合作用,对于利用P~(32)-ADP末端磷交换方法測定多核苷酸磷酸化酶有干扰作用,P~(32)必須事先用酸水解。粗酶液中含有磷酸酯酶,能分解ADP、AMP,含量高时,对测定多核苷酸磷酸化酶有严重的干扰作用。經过一系列提純步驟,純酶制品的比活性与抽提液相比可提高約400倍,其中未檢查出核酸酶,非特异性磷酸单酯酶,5′-核苷酸酶,焦磷酸酯酶的含量很少。提純的酶制品相当稳定,在2—4℃中可保存三周,在37℃、47℃中加热20分钟,仍能保存87.2%与82.7%的活性,TMV-RNA,酵母HRNA与商品酵母HRNA均能稳定酶活性。

A research was done by statistical methods on the relationship between the photosynthetic output of a single leaf of two Hevea clones (10-14-38 and GTl)and meteorological factors under field conditions. The results show that photosynthetic output correlates significantly with meteorological factors, varies parabolically with light intensity and field temperature, and varies exponentially with field relative humidity. Regression equations concerned were obtained. Multiple regression analysis shows that light...

A research was done by statistical methods on the relationship between the photosynthetic output of a single leaf of two Hevea clones (10-14-38 and GTl)and meteorological factors under field conditions. The results show that photosynthetic output correlates significantly with meteorological factors, varies parabolically with light intensity and field temperature, and varies exponentially with field relative humidity. Regression equations concerned were obtained. Multiple regression analysis shows that light intensity is the most important factor. A multiple linear regression equation has been worked out between the photosynthetic output of the two clones and the combined effect of light intensity and field temperature, or that of light intensity and field relative humidity. The theoretical means for many days calculated from this equation are similar to the values measured.

应用统计学方法,研究了大田条件下橡胶树10—14—38和GT1两个无性系单个叶子的光合量与气象因素的关系。结果表明:光合量变异与气象因素高度相关。光合量与光强、气温为抛物线关系,与相对湿度为指数曲线关系,并求出了它们之间的回归方程式。多元回归分析的结果表明,三个气象因子中,以光照对光合作用的影响最为主要,求出了根据光照和气温或者光照和相对湿度估算两个被研究品系光合量的多元线性回归方程式,由此得到的多天平均理论值与实测值相当吻合。

Four heavy metals--copper, zinc, lead and cadmium were found in the dischargedwater from the lead and zinc smeltry. These four heavy metals remain a rather highcontent in the water all the year around. Most of them was deposited in the silt of theriverbed, it is considered to be the potential harmfulness to fish. These heavy metals gradually accumulate in planktons and then transfer to the fish body. The coeffcientof acamulation is Zn = 1. 6×10~4, Cu =1. 9×10~3, respectively. The content of lead andcadmium in...

Four heavy metals--copper, zinc, lead and cadmium were found in the dischargedwater from the lead and zinc smeltry. These four heavy metals remain a rather highcontent in the water all the year around. Most of them was deposited in the silt of theriverbed, it is considered to be the potential harmfulness to fish. These heavy metals gradually accumulate in planktons and then transfer to the fish body. The coeffcientof acamulation is Zn = 1. 6×10~4, Cu =1. 9×10~3, respectively. The content of lead andcadmium in the fish body is not less than 10~4.The ratio of the content of the four heavy metals in the body of the deformedfish is Zn: Cu: Pb: Cd = 59: 10: 3: 1. The content of cadmium in the deformed fish waseighteen times higher than that in the controlled group. This shows that the highconcentration of cadmium may be the causal factor of the deformation of fish.The experiment has proved that the pernicious heavy metals in the waste waterdischarged from the smeltery have toxic effects on fish. When the water contains1.4% in volume, the TLM of the experimental fish is 48. When the content of zincis high above 1 .5mg/l, fish will die in acute poisoning and the content of zinc andcadmium reach to 0. 25mg/l and 0. 0125mg/l, respectively, the symptoms of ataxia inswimming, paralysis and deformation will appear. Zinc has a quick toxic effect,always cause high mortality. Cadmium has a great effect on deformation. The mixedsolution of Zn and Cd has a combined effect on fish.

本文报道了铅锌冶炼厂废水中所含有的铜、锌、铅、镉污染物对鱼类的毒性调查。初步查明了污染物在不同季节、气温条件下引起鱼类死亡、畸变的影响。通过调查分析发现,污染区鱼体重金属含量显著高于对照区;畸变鱼高于未畸变鱼。畸变鱼体内四种重金属含量的顺序是锌>铜>铅>镉,与水中含量顺序一致。畸变鱼体内镉的含量比对照区高18倍,从而认为镉与畸变可能有密切关系。鱼体的不同部位四种重金属含量有明显差异,值得进一步探讨。

 
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