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It is noticed that alkaline (A) and pH are interdependent in producing the toxica-tion on fishes. The relationship of the h TLm is pH = (0.00+0.0 8)-(0.09+0.007) A(n = ,r= -0.97, s=0.0).
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碱度(A)和 pH值对鱼类的致死作用存在着相互影响的作用,其小时半致死关系方程为:pH=(0.00±0.0 8)-(0.09±0.0007)A,(N=,r=O.97,s=O.0)。 |
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It is of enormous importance for screening and breeding of the plant monitoring SO_ and the plant resistant to SO_ to research into the effects of SO_ on plants at protean level as a whole.
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从蛋白质整体动态水平上研究二氧化硫(SO_)对植物的影响，对从分子水平上了解植物对SO_胁迫的反应具有重要意义。 |
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It is pointed out that main factors of water inrush of face are fracture developing degree and watery of sandstone aquifer,thickness of coal seam,fault and aquifuge thickness between the th coal seam and aquifer etc. .
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指出了砂岩含水层的裂隙发育程度和富水性强弱、煤层的厚度、断层的作用以及煤与含水层之间隔水层厚度的大小等,是影响工作面涌水的主要因素。 |
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It is pointed out that the latent transformer faults are judged according to the characteristics of arrangement diagrams of five gasses dissolved in oil, such as CH, H, CH, CH and CH. The examples are given.
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提出了利用油中溶解的种特征气体C H ,H ,C H,CH 和C H 排列图的图形特性判断变压器潜伏性故障的类型,并给出了应用实例。 |
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It is possible for us to detect the relation among ecology, environment changes, climate variance and human activities by studying the penguin dropping sediment.
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对追溯南极大陆生态、气候与环境演变、探讨南极环境演变与全球变化的关系都具有重要的科学意义。 |
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It is possible to gain high purity element of venine by technology of genetic engineering.
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通过基因工程技术使获得大量的高纯度的 蛇毒各组分成为可能. |
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It is possibly because oil in the target clamber forms carbon foil on the CCD surface and contaminates the X ray CCD. This foil filter absorbs more rays with N band than those of O band.
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其原因可能是 X射线 CCD受到靶室油沾污 ,在表面形成了碳膜 ,对 N带吸收较多。 |
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It is predicted that there are two geometrical configurations of the slipped parallel (Ch) and T shaped (Cv) carbon dioxide dimer using the density functional theory(DFT) with basis sets - G or - G.
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用密度泛函理论 (DFT)的 Becke LYP方法 ,在不同基集合（ - G和 - G系列）下对平行结构（ C h）和 T形结构 (Cv)的 CO_二聚体进行 ab initio计算 . |
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It is presented that when the matric A is real and λi≠λj (i≠j,i,j=,,…,n),bj is only and real.
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本文证明了当A为实矩阵，且λi≠λj（i≠j，i，j＝，，…，n），时，bj是唯一的且是实数； |
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It is proposed that such OS precipitates a range of pathologies currently thought to afflict male reproductive function.
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目前认为损伤OS促进了一系列男性生殖功能的病理学改变。 |
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It is proved by practice that the pipeline lined with the rolling insertion method not only seldom leaks, but also suits to the slushy fluid because the PE linef has high roundness,low frictional drag factor and high resistance to chemical corrosion.
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由于这种衬里管成圆度高、摩阻系数低,并具有抗化学物质侵蚀等特点,所以经实践证明,采用聚乙烯管转动成衬的管道不但流体损失少,而且对输送颗粒物质的抗蚀性较高。 |
