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在溶液中

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It is found liquid crystalline solutions can be formed when cellulose is dissolved in polyphosphoric acid.

讨论了纤维素在多聚磷酸溶液中的溶解情况和液晶性。

Furthermore, preculture plant cell in medium with high osmoticum or cold hardy treatment prior to cryopreservation also revere better regenerating ability.

另外,将植物材预培养於较高张溶液中,或在冻保存前预经健化处,均可有效地提高冻保存后之成活。

Their structures were characterized by IR, 1H NMR, of which 4-chloro- 2-methyl-7-(2-bromoethoxy) isoflavone, 2, 4\'-dimethyl-7-(2-bromo-ethoxy)isoflavone and 2-methyl-7-(2-bromoethoxy) isoflavone are rarely reported so far.4\'-chloro-2-methyl-7-(3-bromopropoxy)isoflavone, 2, 4\'-dimethyl-7-(3-bromo- propoxy) isoflavone, 2-methyl-7-(3-bromopropoxy) isoflavone, 4\'-methoxy-2-methyl-7-(3-bromopropoxy) isoflavone and 4\'-hydroxy-2-methyl-7-(3-bromopropoxy) isoflavone were gained by reacting 7-hydroxy-2-methyl isoflavone derivatives with 1, 3-dibromo- propane, respectively.

第三章(来源:73ABC论文网www.abclunwen.com)在丙酮溶液中以K_2CO_3为碱,使溴乙氧基异黄酮和溴丙氧基异黄酮与咪唑偶合,以较高的产率合成出10种目标化合物:2-甲基-4′-氯-7-2-(1-咪唑基乙氧基异黄酮、2,4′-二甲基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-4′-甲氧基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-4′-羟基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-4′-氯-7-3-(1-咪唑基丙氧基异黄酮、2,4′-二甲基-7-3-(1-咪唑基丙氧基异黄酮、2-甲基-7-3-(1-咪唑基丙氧基异黄酮、2-甲基-4′-甲氧基-7-3-(1-咪唑基丙氧基异黄酮、2-甲基-4′-羟基-7-3-(1-咪唑基丙氧基异黄酮,经IR、~1H NMR、~(13)C NMR、元素分析等对其结构进行了表征,10种目标产物均未见文(来源:ABC论文cccccc网www.abclunwen.com)献报道。

Therefore, globular prote in s in solution are spun in to a more extended fibrous structure to prepare texturized prote in .

因此,球蛋白在溶液过程中旋转为一个更具有延展性的结构来制备组织化蛋白。

The floatation rate of Pd (superscript 2+) reaches 100% when the concentrations of NaNO3, KBr and cetyl pyridinium bromide in solution are 0.05 g/mL, 3.0×10^(-2) mol/L, 5.0×10^(-4) mol/L(pH 4.0), respectively. Pd (superscript 2+) could be separated from Ru (superscript 3+), Al (superscript 3+), Cr (superscript 3+), Ni (superscript 2+), Ga (superscript 3+), Fe (superscript 3+) and Zn (superscript 2+) by floatation quantiatively. A method of flotation separation and enrichment of Pd (superscript 2+) was established.

当溶液中硝酸钠、溴化钾、溴化十六烷基吡啶的浓度分别为0.05 g/mL,3.0×10^(-2)mol/L,5.0×10^(-4)mol/L,在pH 4.0时,Pd(上标 2+)的浮选率达到100%,Pd(上标 2+)可与Ru(上标 3+),Al(上标 3+),Cr(上标 3+),Ni(上标 2+),Ga(上标 3+),Fe(上标 3+),Zn(上标 2+)定量分离,据此建立了浮选分离和富集Pd(上标 2+)的新方法。

A novel complex of Ni (3-PyOH)4Cl2 (3-PyOH=-pyridone) was synthesized by the reaction of NiCl26H2O and 3-hydroxypyridine in an alcohol solution, and characterized by elemental analysis, IR spectrum and single crystal X-ray diffraction.

利用氯化镍和3-羟基吡啶在乙醇溶液中反应得到了配合物Ni(3-PyOH)4Cl2(3-Pyon=3-羟基吡啶),并对其进行了元素分析、红外和单晶X射线的表征。

Melamine pyrophosphate can synthesized by three means:(1) prepared by pyrophosphoric acid and melamine in low temperature.(2) prepared by pyrophosphate and melamine in acid.(3) prepared in solid phase.

焦磷酸三聚氰胺的合成一般由三种方法:(1)由焦磷酸在低温下直接与三聚氰胺作用合成法;(2)酸性溶液中由焦磷酸盐合成法;(3)固相合成法。

Sanitize facepiece by soaking in a solution of sodium hypochlorite (1 oz. [30ml] household bleach in 2 gallons [7.5 L] of water). An alternate cleaning and disinfecting solution is 3M Twist 'n Fill 5L Quat. Follow product user instructions for 3M Twist 'n Fill 5L Quat.

消毒面具的方法是,将面罩浸泡在次氯酸钠溶液中(30毫升家用漂水加7.5升水),另外一个选择是,使用3M Twist 'n Fill 5L Quat消毒剂,应根据该产品的使用说明操作。

METHODS: The 316L stainless steel was dip into a mixture of 5 g/L quaternionic copolymer tetrahydrofuran and 10% RNAIII inhibiting peptide to obtain stable polymer coating, which was extracted at density of 1 cm2/mL in saline at 37 ℃ for 72 hours to get 100% eluent. The same volume of saline was added to make 50% eluent.

将洁净的316L不锈钢片浸渍于5 g/L的四元共聚物四氢呋喃和质量分数10%的RNAⅢ抑制肽混合溶液中,获得稳定的聚合物涂层,按1 cm2/mL在37 ℃无菌条件下用生理盐水浸提72 h,制得浸提液原液;加入同体积的无菌生理盐水制得50%浸提液。

Based on this phenomenon, regulating and improving salt resistance of Rumex bucephalopherus with optimal SCR was put forward.

在10cmol/LNaCl条件下,溶液中的SCR调控至10~15时,可明显促进酸模根系、地上部分及叶的生长,提高酸模的抗盐性。

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I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。