Different body materials and seal ring compound folder layer are suitable for different medium.
更换阀体材质和密封圈复合夹层可适用不同介质。
PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.
多氯联苯：任何一种由氯与联苯反应生成的非常稳定的二环有机化合物。
Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.
以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。
Cytosine organic compound of the pyrimidine family often called a base consisting of a single ring containing both nitrogen and carbon atoms and an amino group.
胞嘧啶：嘧啶族的有机化合物。常被称为基，包含一个单环，内有氮原子和碳原子，还有氨群。
It is a heterocyclic compound, containing a pyridine ring; its chemical formula is C10H14N. Nicotine is the chief addictive ingredient (see drug addiction) in cigarettes and cigars and in snuff.
尼古丁为杂环化合物，含啶环，化学式为C10H14N，是纸烟、雪茄和鼻烟中的主要上瘾成分。
The invention provides a large ring lactone compound and a preparation method thereof.
本发明提供了一种大环内酯类化合物及其制备方法。
This paper introduces the approximate calculation of components and compound section of vertical vessel lug support with stiffening ring and the selection of anchor bolt circle diameter.
介绍了立式容器壳体刚性环耳式支座构件及组合截面的近似计算过程，并对地脚螺栓中心圆直径的选择作简要分析。
Poly(L-lactide)(PLLA) was synthesized by ring-opening polymerization of L-lactide using cyclic tin alkoxide compound as initiator.
以环烷氧锡化合物引发L-丙交酯开环聚合制备高分子量聚L-乳酸。
The effects of RE compound modificator on the mechanical properties and microstructure of high carbon high speed steel used for roller ring were investigated by SEM, EDS and EPMA.
通过扫描电镜、能谱分析仪和电子探针研究了稀土复合变质剂对离心铸造的高碳高速钢轧辊组织和力学性能的影响。
There are many types and forms of interchange, such as trumpet type, rhombus type, ring type, alfalfa leaf type, partly directional form, directional form, compound form and so on.
互通立交的型式很多，有喇叭型、菱形、环形、苜蓿叶型、半定向式、定向式及复合式等几种基本形式。
The box body prefabricates a compound ring enclosed type ground net, and an earthing pole is reserved at the upper part of the box body;
箱体预制复合环形封闭式地线网，并且在箱体上部留出接地极；
Balanced compound gear pump is a new king of hydraulic pump which combines ring gear with external gear pump.
复合式平衡齿轮泵是将内外齿轮泵融为一体的新型液压泵。
The resin blend includes an epoxy compound, a compound having a ring structure, and a crosslinking agent.
该树脂掺合物包括：环氧化合物、具有环状结构的化合物，及交联剂。
An organic coordination (complexing) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.
一种配位(络合)化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。
This paper presents research on loading behavior of welded compound-ring-hoop concrete column and honeycombed steel beam composite joints.
为研究复合焊接环式箍筋混凝土柱-蜂窝钢梁组合节点的受力性能。
Cephalotaxine is one compound of five-fused ring structure.
三尖杉碱具有五元稠环结构。
Thymine: Organic compound of the pyrimidine family, often called a Base, consisting of a ring containing Both nitrogen and carbon atoms, and a methyl group.
胸腺嘧啶：一种嘧啶类有机化合物，通常叫做基底，由含有氮和碳原子以及甲基的环形物组成。
Moreover, parent compound 2.11 was designed by changing hybridization of carbon which attached with the pyranone D-ring at 7-position.
再次，通过改变与吡喃酮环相连的亚甲基碳原子的电子云杂化状态，设计了化合物类型2.11。
Poly(methyl(trifluoropropyl) siloxane)(PMTFPS) was prepared by bulk ring-opening polymerization of 1,3,5-trimethyl-trifluoropropyl cyclotrisiloxane, and crosslinked by peroxide compound.
由1，3，5-三（甲基三氟丙基）环三硅氧烷的阴离子本体开环缩聚合成了氟硅生胶，并对生胶进行过氧化物交联。
Major factors that affected the degree of esterification and 1,6-anhydro ring formation were studied to produce the title compound which met the European Pharmacopoeia standard.
研究了影响酯化率与成环率的主要因素，控制合适的酯化、解聚和纯化条件，得到的依诺肝素钠成品符合欧洲药典标准。
Major factors that affected the degree of esterification and 1,6-anhydro ring formation were studied to produce the title compound which met the European Pharmacopoeia standard.
研究了影响酯化率与成环率的主要因素，控制合适的酯化、解聚和纯化条件，得到的依诺肝素钠成品符合欧洲药典标准。
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