查询词典 additive category

"A set of elements having two operations, designated addition and multiplication , satisfying the conditions that multiplication is distributive over addition and that both operations are associative and commutative for all elements of the set, with the exception of the additive identity element, which is not commutative in respect to multiplication ."

"一组元素，进行加法和乘法两种运算，满足条件：乘法运算需分配于加法之中，这组元素要将这两种运算结合且换进行，附加的就乘法而言不可交换的恒等元素除外。"

Mathematics A set of elements having two operations, designated addition and multiplication, satisfying the conditions that multiplication is distributive over addition and that both operations are associative and commutative for all elements of the set, with the exception of the additive identity element, which is not commutative in respect to multiplication.

域，体：进行加法和乘法两种运算的一组数，满足如下条件，即乘法分配律同样适用于加法分配律，各数在做加法和乘法两种运算中可相互结合并交换，但在乘法中不可交换的加性恒等幺元除外

By using the chemical additive, it effectively solved the existent technical problems of the M series methanol gasoline which is made up by the traditional technology, just like low proportion of the methanol, immiscibility poor performance, the cold starting difficulty, the increase of the oil consumption and so on.

通过使用化学添加剂，有效解决了传统工艺配制M系列甲醇汽油存在的甲醇比例低、混溶性能差、冷起动困难、油耗增加等技术难题，甲醇含量控制在30%-50%的中等比例。08年7月，该技术通过了陕西省科技厅组织的成果鉴定。

This paper mainly study the effect of mineral additive to concrete pore structure, mechanical performance, frost resistance and impermeability, and discuss the relationship of pore structure and concrete performance.

本文主要研究了无机盐类外加剂对混凝土孔结构及其力学性能、抗冻与抗渗性能的影响，并探讨了孔结构与其性能的关系。

The isopropyl-aclohol is one of the organic chem-industry materials, and also a kind of impregnant with good capabilities. It can be widely used in many fields as melting the nitric acid fibrin, rubber, dope and printing ink and is also the good refine rube shell-glue impregnant, the gas additive and antifrozen impregnant.

异丙醇是重要的基本有机化工原料之一，又是一种性能优良的溶剂，被广泛应用于溶解硝酸纤维素、橡胶、涂料和油墨等领域，也是良好的精制润滑油脱蜡溶剂，并可用作汽油添加剂和抗冻剂。

A series of experimental researches are carried out on a new type gasoline detergent and combustion improver additive: MAZ.

燃油的物性和品质决定车辆发动机的燃烧工作过程，左右着发动机的各项性能指标。

The diesel oil cold filter plugging point improver agent is an important fuel additive in diesel oil production.

柴油冷滤性能改进剂是柴油生产中的一种重要的燃料添加剂。

Therefore,the pyrolysis temperature of shell having calcium carbonate is very high but the shell inappositely act as the stabilizer of polymer. This is instructing meaning to study additive and assistant of shell in the future.

因此，具有碳酸钙成分的贝壳虽然本身的热分解温度很高，但并不适合作为聚合物的热稳定剂，这对今后研究贝壳类添加剂或助剂有指导意义。

The results showed the resistance was controlled by at least two pairs of genes, and was incompletely recessive. Effect of backcross was very significant and that of reciprocal cross was not. Resistance was dominated by nuclear genes, narrow inheritability was comparatively high. The resistance was in keeping with additive-dominance model, and dominance was dominating, and showed a quantitative character.

结果表明：苦瓜对白粉病的抗性受两对以上基因控制，两对主基因抗病相对感病为不完全隐性，回交效应极显著，正反交效应差异不显著，抗病性主要受核基因控制，两对主基因的狭义遗传力较高，符合加性－显性模型，加性效应较大，抗性效应在亲本和F1间存在极显著正相关，表现为数量性状遗传的特点。

And then characterize the Jordan semi-triple derivable maps on the set of all linear bounded operators actingn on an infinite dimensional Hilbert space, then prove that it is additive and so is an inner derivation.

并且对作用在无限维Hilbert空间上的有界线性算子的全体上的拟三重Jordan可导映射进行了刻画，证明了它是一个内导子。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48