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In chapter three, molecular imprinting chiral stationary phases against amino acid derivatives utilizing 2-vinylpyridine+acrylamide (2-VP+AM) as combined functional monomers were prepared. Comparing combined functional monomer 2-VP+AM with AM and methacrylic acid+2-VP, the former, 2-VP+AM showed higher imprinting ability. Explanation was given according to the compatibleness between the functional monomer and the imprinted molecule.

第三章系统考察了复合功能单体2-乙烯基吡啶+丙烯酰胺制备氨基酸衍生物分子烙印手性固定相的情况,发现复合功能单体2-乙烯基吡啶+丙烯酰胺烙印体系与丙烯酰胺及复合功能单体2-乙烯基吡啶+甲基丙烯酸烙印体系相比,对氨基酸衍生物表现出更好的烙印能力,验证了功能单体与烙印分子之间存在着匹配性的观点。

This thesis demonstrates the pre-polymers in a polymer-dispersed cholesteric liquid crystals can be polymerized into a polymer film, which can eliminate the aligning capability of the homogeneous alignment layer. Thereafter, the textures of the cholesteric liquid crystals in UV-cured region can be changed from reflective planar texture to the scattered focal conic one. Additionally, the clearing temperature of the liquid crystals can be reduced by doping with chiral dopant or monomers. The cause is the increase of the impurity concentration in LCs. In other words, if the monomers are polymerized, the clearing temperature of LCs in that region should increase due to the decrease of the impurity concentration. Therefore, impurities associated with doping with monomeric and chiral dopants cause the clearing temperature of LCs in cured region to differ from that in uncured region.

本文中,我们提出在高分子聚合物薄膜之胆固醇液晶(polymer-dispersed cholesteric liquid crystals,简称PDCLCs)中,利用紫外光使PDCLC中的单体聚合成薄膜,此即为光引致聚合反应,而该薄膜将原本在表面所作的配向膜覆盖且破坏其配向能力,使胆固醇液晶由原本反射的planar结构转换成散射的focal conic结构;另外,有关液晶材料的相变温度会由於掺杂手性分子或单体而降低,此因液晶材料内『杂质』浓度增加,而造成的液晶材料之不纯度增加,最终导致相变温度降低,若搭配上述光引致聚合反应,则由於光照区之单体聚合,使该区域单体占总材料之比例下降,即不纯度降低,进而使液晶材料之相变温度上升,该区域之相变温度与未照光区有所不同。

Monosomic 3, monosomic 5, monosomic 10, trisomic 4 and trisomic 5 as experiment materials, their meiosis behavior of pollen mother cell, pollen characteristics, physiological and biochemical characteristics of anther, section observation of pollen development and the structure of embryo sac were studied, and the effects on the seed set and transmission rate were analyzed.

本文以大白菜同源四倍体小孢子培养产生的且已鉴定为3号单体、5号单体、10号单体、4号初级三体、5号初级三体的非整倍体株系及二倍体株系等为试材,对各材料的结籽率、雄配子传递率进行了统计,并对花粉母细胞减数分裂行为、花粉特性、花粉发育和胚囊结构以及花药生理生化特性等方面进行了观察研究,进而分析了其对大白菜单体n-1雄配子和三体n+1雄配子传递率的影响。

The company has two production¨×biopsy device, the three modified PTT and PTT fibers,¨×fiber production line, a set of three monomers (isophthalic acid, 5 - sodium) production unit, a four-monomer production line with annual production of 15,000 tons slice¨×composite and PTT fibers, staple¨×compound, PTT modified fiber 15,000 tons and 1,000 tons of the four monomers, three monomers 1200 tons, brominated flame retardants EPS with the capacity of 3000 tons .

公司拥有两套波斯伦切片生产装置,三条PTT及改性PTT纤维、波斯伦纤维生产线,一套三单体(间苯二甲酸,5-磺酸钠)生产装置,一套四单体生产线,具有年生产波斯伦复合切片15000吨和PTT纤维、波斯伦复合短纤、PTT改性纤维15000吨及四单体1000吨,三单体1200吨、溴系EPS用阻燃剂3000吨的能力。

An industrial monomer with proper reactivity was selected as a raw material in the research according to the reactivity of the monomers in polymerization initiated by ammonium persulphate in aqueous sulution on a known condition.

通过采用已有由APS引发工业单体DMDAAC的聚合实验条件,以产物PDMDAAC特征粘度作为主要考察指标,10批工业单体中选出其中一批聚合性能适中的工业单体,作为本次研究的实验用单体

A series of polymers containing 1,8-naphthalimide moieties in the side chains have been prepared via RAFT technique. Firstly, five styrene and two methyl acrylate based 1,8-naphthalimide monomers were synthesized and characterized. Then, carbazyl group terminated polystyrene was used as macromolecular RAFT agent.

我们合成了5种苯乙烯类和2种甲基丙烯酸酯类萘酰亚胺单体,以一种含末端带咔唑结构的聚苯乙烯为大分子RAFT试剂,考察了所得单体的RAFT聚合,发现苯乙烯类1,8-萘酰亚胺单体可以聚合,但是聚合度不高,甲基丙烯酸酯类1,8-萘酰亚胺单体RAFT聚合不可控。

The effect of the special monomers on the properties of the emulsion was studied. The results showed that when the amount of GMA was 4.4% and the amount of actyflon was 1.0% of the monomers, salt spray resistance of the emulsion, could be up to 240 h without rust spots and babbles.

结果表明,当环氧单体甲基丙烯酸缩水甘油醋用量为总单体用量的4.4%,含氟单体用量为总单体用量的1.0%时,能够显著提高乳液的交联度和疏水性,乳液成膜后进行中性盐雾实验,中性盐雾时间可达到240h,板面无锈点,主体无起泡。

This paper presents a viscous computation method by which the problem of numerical simulation of radiation force and resistance of hybrid monohull is solved and the viscous effect of Hybrid monohull on reducing longitudinal motion is found.

本文用黏性计算方法对新研发的高耐波性单体复合船型的辐射力和阻力进行了数值模拟,揭示了单体复合船型减纵向运动的黏性效应,黏性计算结果与实验值比较,表明本文应用的黏性方法可用于计算单体复合船型的水动力,提高单体复合船型耐波性预报精度,对深化单体复合船型的优化设计具有重要的参考价值。

A monomer that is polymerised along with one or more other monomers to make a copolymer.

共聚单体:能和其它一种或多种单体聚合生成共聚物的单体,称为共聚单体

A process for making an electronic device which comprises applying a nonaqueous plate-resistant ink by ink jet printing to selected areas of a dielectric substrate, optionally laminated with an electrically conductive metal, exposing the plate resistant ink to actinic and/or particle beam radiation to effect polymerisation, adding one or more metal layers by electrolytic or electroless deposition, the upper layer of which is an etchresistant metal, removing the polymerised plate-resistant ink with alkali and finally removing the electrically conductive metal which are optionally directly laminated to the dielectric substrate and not protected by an upper layer of etch-resistant metal by chemical etching wherein the plate-resistant ink is substantially solvent-free and comprises: A 30 to 90 parts acrylate functional monomers free from acid groups comprising mono- or higher functionality wherein 5 to 95% by weight are mono-functional monomers; B 1 to 30 parts acrylate functional monomer containing one or more acid groups; C 0 to 20 parts polymer or prepolymer; D 0 to 20 parts radical initiator; E 0 to 5 parts colorant; F 0 to 5 parts surfactant; and where the ink has a viscosity of not greater than 30 cPs at 40 DEG C and all parts are by weight.

一种制备电子装置的方法,所述方法包括以下步骤:通过喷墨印刷在任选层压了一种或多种导电金属的介电底材的选定区域涂覆非水的阻沉积油墨,将所述阻沉积油墨暴露在光化辐射和/或微粒束辐射中以完成聚合,通过电解沉积或无电沉积增加一层或多层金属层,其中最上层的金属层为一种或多种阻蚀刻金属,用碱除去聚合的阻沉积油墨,最后通过化学蚀刻将任选直接层压在所述介电底材上并且不被一种或多种阻蚀刻金属的上层保护的导电金属除去,其中所述阻沉积油墨基本不含溶剂,并且包含以下组分:A30-90份不含酸基团的丙烯酸酯功能性单体,所述单体包括单官能或多官能单体,其中5-95%重量为单官能单体;B1-30份包含一个或多个酸基团的丙烯酸酯功能性单体;C0-20份聚合物或预聚物;D0-20份自由基引发剂;E0-5份着色剂;和F0-5份表面活性剂;其中所述油墨的粘度在40℃下不高于30cPs,并且所有的份数以重量计。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。