英语释义

• having a valence of two or having two valences

片语

divalent copper二价铜

divalent alcohol二元醇

divalent metal[化学] 二价金属

divalent state二价态

divalent radical二阶基

divalent ribozyme二价核酶

divalent ion二阶离子，二价离子

divalent carbon二价碳

英汉例句

• magnesium(mg2+) is the most abundant divalent cation in plant cells and plays a critical role in many physiological processes.

  镁离子是植物细胞中最丰富的二价阳离子，其吸收、转运和同化受到严格的调控。

• the systems include pectin beads crosslinked with zinc or any divalent cation of interest, which beads are then coated with eudragit tm -type polymers.

  所述系统包括与锌或任何目的二价阳离子交联的果胶珠粒，所述珠粒然后用型聚合物包被。

• the dose of anti-acid-alkali divalent ions in any water does not precipitate.

  本剂抗酸抗堿抗二价离子，在任何水质中不沉淀。

• a simple technique for preparation of powder binary fluorides activated with divalent samarium ions is described.

  报道了合成二价钐激活的复合氟化物的简单方法。

• heats of hydration of divalent transition metal cations.

  元素离子水化热等。

• it is found that the effects of monovalent and divalent cations were significantly different. stretch-induced melting of single dna molecules was directly observed.

  研究了金属离子对dna拉伸的影响，发现一价金属离子和二价金属离子对dna的影响有显着的差别。

• this divalent cation is released from presynaptic vesicles into the synaptic cleft upon neuronal activity and acts as a modulator of many ligand-gated ion channels.

  锌离子随着神经元的活动从突触前膜的囊泡中释放到突触间隙，对突触内受体进行调控。

• conclusion the divalent vaccine containing the antigens mpt83 and mpt64 effectively heightens the protective efficiency of vaccine against tuberculosis.

  结论抗原mpt83和mpt64二价基因疫苗有效提高了机体保护效力，对于结核病的防治具有一定的借鑒价值。

• cracks expanded from the inner tube wall to external wall, and divalent sulfur ions were found on the surface of cracks.

  裂纹从管内壁开始向外扩展，裂纹面上有负二价硫离子存在。

• the results show that the ro treatment gives removal rates of 93% for toc, above 98% for divalent ion, above 90% for monovalent ion respectively.

  结果表明：ro对toc的去除率为93％； 对二价离子的去除率为98％以上，对一价离子的去除率大于90％；

• oxidizing agent was prepared by means of anhydrous manganous acetate dissolved in glacial acetic acid and oxidized to divalent manganic salt by potassium permanganate.

  氧化剂的制造是将二价无水醋酸锰溶于冰醋酸中，用高锰酸钾将其氧化成三价醋酸锰。

• the representation forms of the valence components of monovalent nouns and divalent nouns in phrases and sentences are not identical in chinese and russian.

  汉俄两种语言对组构名词性短语的语法制约是不同的。名词性并列短语中并列项名词所表示的概念应是同一级别、相互之间是平行关系；

• objective to investigate the effects of iron on the expression and regulation of divalent metal transporter 1 (dmt1) that may play an important role in the physiological brain iron metabolism.

  目的探讨在脑铁代谢中发挥重要生理作用的二价金属转运蛋白1（dmt1）的表达及其调控机制。

• two novel divalent transition metal disulfonates were synthesized and characterized by x ray single crystal diffraction.

  合成了两个二价的过渡金属磺酸化合物，并通过x-射线衍射单晶结构分析进行结构表征。

• the stability of hydrated divalent iodates is expected to be related to the electronegativity of the corresponding cations.

  并讨论了二价碘酸盐水化物的稳定性与阳离子电负性的关系。

• calcium alginate gel beads were widely used as drug carriers, which were obtained by the gelation of sodium alginate with divalent cation as ca2+.

  目前，海藻酸钠与二价钙离子交联反应形成的海藻酸钙凝胶小球作为药物的载体日益受到广泛的应用。

• the amount of anionic pam adsorbed on clay minerals increases greatly by electrolyte in which divalent cation is more effective than monovalent cation.

  电解质能大大增强pam在黏土矿物上的吸附，其中二价离子比一价阳离子更有效。

• the possibilities of formation of complex compound between divalent iodates have been studied.

  对二价碘酸盐之间形成复盐的可能性也进行了探讨。