查询词典 parliamentary agent

In this paper, starch was used as a char forming agent to all or partly replace pentaerythitol in Intumescent Flame Retardants, and investigated to effect on thermal degradation and flame retardancy of polyethylene intumescent system.

以淀粉作为膨胀阻燃体系中的成炭剂，取代或部分取代了膨胀型阻燃剂中的季戊四醇，研究了淀粉对膨胀阻燃剂及其与线性低密度聚乙烯膨胀体系的热降解行为和阻燃性。

A study design to evaluate the effect and/or safety of different doses of an investigational agent.

剂量范围研究(DOSE-RANGING STUDIES)评价不同剂量的试验药物的疗效和/或安全性的研究设计。

Involucrate seedlings. The results showed that all test reagents had positive effects, and synergistic effect existed among them. CaCl2 and SA improved the water utilization efficiency of D. involucrate at the initial stage of water stress, while water-retention agent maintained higher soil moisture content when the drought stress developed so as to improve the drought resistance of D. involucrate and alleviate the effects of water stress.

结果表明：CaCl2、SA和保水剂对珙桐幼苗抗旱性的影响均呈正向作用，且它们之间具有协同效应；CaCl2和SA提高了珙桐幼苗在水分胁迫前期对土壤水分的利用，使幼苗维持了较高的抗旱性；随着土壤干旱的持续，保水剂对水分胁迫有缓效作用，使土壤维持了较高的水分含量，有利于保持幼苗的抗旱性，减小水分胁迫的危害。

Davidia involucrate, a relic species of paleotropical kingdom in Tertiary period and belonging to Davidiaceae with a single genus, is one of the first-class protective plants in China. In this paper, a pot culture experiment with quadratic general rotation design was conducted to study the effects of CaCl2, salicylic acid, and a water-retention agent on the drought resistance of D.

采用二次回归通用旋转组合设计，对国家一级保护珍惜植物珙桐幼苗进行盆栽控水试验，研究了水分胁迫下氯化钙(CaCl2)、水杨酸和保水剂对珙桐幼苗抗旱性的影响。

Sulfide precursors were synthesized by conventional inorganic metal salts and a sulfurizing agent. Sulfide catalysts were prepared by isochoric impregnation using an impregnation solution containing sulfide precursors and a dispersion additive.

以常规金属无机盐及硫化剂为原料合成硫化物前驱体，在硫化物前驱体溶液中加入添加剂配成浸渍液，浸渍载体制成硫化型加氢催化剂。

Isocyanic acid plays an important role in combustion and atmospheric chemistry. It is a potential agent for effectually eliminating nitrogen oxides in exhaust gas streams.

异氰酸在燃烧和大气化学中起着重要的作用，它可以从燃烧的废气中快速除去有毒的化合物。

The result indicated that, gathers in advance the emulsion water resistance and mechanics performance which in the body preparation method the one-stage process obtains is good, but two steps obtain the emulsion stability is good; The neutralizaing agent triethylamine amount used should enable to achieve neutral between x-y, to gathers in advance the body disperser and the emulsion stability only then is advantageous; The water affinity chain extendor DMPA content to the emulsion viscosity, stable and the emulsion cellophane water resistance has the remarkable influence, its amount used general control between x-y; Hard section isocyanogen diethylene glycol dinitrate primary control paint film degree of hardness, module, anti-avulsion, wear-resisting and so on performance, the soft section low-molecular polymer polyols primary control paint film elasticity, hydrolisis performance and so on bears the low temperature and bears

结果表明，预聚体制备方法中一步法得到的乳液的耐水性和力学性能较好，而两步法得到的乳液的稳定性好；中和剂三乙胺的用量应使中和度达到x-y之间，对预聚体的分散和乳液的稳定性才有利；亲水扩链剂DMPA的含量对乳液的粘度、稳定性及乳液胶膜的耐水性有着显著的影响，其用量一般控制在x-y之间；硬段异氰酸酯主要控制涂膜的硬度、模量、抗撕裂、耐磨等性能，软段低聚物多元醇主要控制涂膜的弹性、耐低温和耐水解等性能

Tri (2-hydroxyethyl) isocyanurate was used as the curing agent to synthesize the polyurethane elastomer modified by isocyanurate.

以三（2-羟乙基）异氰脲酸酯为固化剂，用异氰脲酸酯环合成改性聚氨酯弹性体。

Is a research and development, production, trade and service-based economy of foreign trade entities, chemical raw materials to the professional operation of the main company's existing production of AC blowing agent, ferric chloride, hydrated Hydrazine, p-nitrophenol, m-phenylenediamine, phosphorus trichloride, phosphorus oxychloride, 2,4 - diamino benzene sulfonate, sodium dichloro isocyanurate, N-methyl-o-phenylenediamine Second hydrochloride fine chemical products such as the ability, and are obtained ISO9001 international quality system certification.

济南华尔沃进出口贸易有限公司是一家集研发、生产、贸易、服务于一体的外贸型经济实体，以专业经营化工原料为主，公司现有生产AC发泡剂、三氯化铁、水合肼、对硝基苯酚、间苯二胺、三氯化磷、三氯氧磷、2，4—二氨基苯磺酸钠、二氯异氰脲酸钠、N-甲基邻苯二胺二盐酸盐等精细化工产品的能力，并且均以取得ISO9001国际质量体系认证。

Mg-Al oxide catalysts were prepared by co-precipitation method, used ammonia as the precipitating agent. The catalytic performances of these materials were investigated in the gas-phase Aldol condensation of acetone to isophorone. The structure and surface properties of the catalysts were characterized by means of XRD, XPS, ICP, TG-DTA and TPD.

采用共沉淀法，以氨水为沉淀剂制备了一系列具有不同Mg/Al摩尔比的镁铝氧化物催化剂，考察了它们在丙酮气相缩合反应中的催化性能，并通过XRD，XPS，ICP，TG-DTA和TPD等手段对催化剂的结构和性质进行了表征。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。