查询词典 bivalence

Perhaps the answer to this am- bivalence lies in our history.

也许这个答案在历史中就有。

The effect ofα-methyl-D-mannoside and bivalence metal ion on LCA coupling to epoxy-coated magnetic particles is not significant.

研究α-甲基甘露糖及二价金属离子对其分离纯化糖蛋白的影响，二者对于凝集素与环氧磁粒的偶联并无显著影响。

We also study the effect ofα-methyl-D-mannoside and bivalence metal ion on LCA coupling to epoxy-coated magnetic particles.

研究α-甲基甘露糖苷及二价金属离子对于偶联反应的影响。

Long in the past, in the theory of bivalence logic (absolutely true or absolutely false), things were thought to be in a certain category completely or out of it completely.

传统的二值逻辑理论认为，事物要么完全属于某一范畴，要么与此范畴毫无瓜葛，全无两可情况可言，范畴之间的界线是清晰而明确的。

It is also argued that giving up the principle of bivalence, letting vague statements have a truth value between true and false or no truth value at all, will not help solving the vagueness problems, but, on the contrary, will be a hindrance to finding a solution.

本文也论述了，通过放弃二值原则以使得模糊陈述具有真和假之间的某个值或根本就没有真值的办法，也无助于解决模糊性问题，而且恰恰会造成相反的情况，即妨碍我们找到问题的解决之道。

We adjust the appropriate bivalence cationic concentration, on the concentration of a Mg〓 or Ni 〓, to extend the supercoils of plasmid DNA pBR322 into rings.

采用改进的蒸发液滴中流体毛细流动法，用于展开和固定适于AFM研究的大环状DNA。

We have constructed a bivalence expression vector with SsNHX1 and AVP1 and transformed them into Arabidopsis. The results showed that the transgenic Arabidopsis plants 101 and 127 grew much better than wild type plants in the medium containing 100 and 200 mmol/L NaCl, which further indicated the important roles of Na〓 compartmentalization in vacuoles on plant salt tolerance.

2构建了同时含有液泡膜Na〓/H〓 antiporter与H〓-PPase基因的双元植物表达载体并转入拟南芥，筛选到在100和200mMol/LNaCl胁迫环境下生长发育均明显好于野生型的转基因拟南芥植株101和127，进一步验证了液泡Na〓区隔化在植物耐盐方面的重要作用。

The soluble tetra-alkyl phthalocyanine compounds have the following general structure, wherein Rn represents straight-chain or branching chain alkane, n represents the number of straight-chain or branching chain alkane, M represents center ligand of bivalence or more, L represents axial ligand, X represents the number of L.

该可溶性四烷基酞菁化合物符合如下结构通式：结构通式中，Rn代表直链或支化链的烷烃，n代表直链或支化链的烷烃的数目，M代表二价或二价以上的中心配体，L代表轴向配体，X代表L的数目。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。