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We investigated constituent of triterpenoid saponins ofAlbizzia, two new compounds together with two known compounds were isolated from Albizzia julibrissin Durazz. by using column chromatography (macroreticular resin, silica gel, Sephadex gel, reverse phase silica gel),preparative HPLC methods et al.On the basis of spectroscopic analysis, including IR,ESI-MS,~1H-NMR,~(13)C-NMR,HMBC,HMQC,~1H-~1HCOSY and chemical methods, the structure of two new compounds were identified as 3 - O -[β-D-xylopyranosyl(1→2)-β-D-fucopyranosyl (1→6)-β- D -2- deoxy - 2 - acetoamidoglucopyranosyl] -21-O-[(6S)-2- trans- 2,6-dimethyl - 6 - O-β- D - quinovopyranosyl -2,7- octadienoyl] - acacic acid- 28 - O-β-D-glucopyranosyl(1→3)[α-L-arabinofuranosyl(1→4)]-α-L-rhamnopyranosyl(1→2)-β-D-glucopyranoside acacic acid 3- O -β- D- glucopyranosy(1→3)-β- D- fucopyranosl(1→6) [β-D- xylopyranosyl (1→2)]-β-D-glucopyranoside ;two known compounds were acacic acid lactone 3- O -β-D- xylopyranosyl-(1→2)-β-D-fucopyranosl (1→6)- 2-deoxy -2 -acetoamido -β-D- glucopyranoside ; acacic acid lactone 3- O-β-D-xylopyranosyl(1→2)-α-L- arabinopyranosl (1→6)- 2- deoxy - 2- acetoamido -β-D-glucopyranoside . The study lays chemical foundation and chemical reference substance for enhancing quality standard of Albizzia julibrissin Durazz.
本研究论文在综述国内外对合欢属Albizzia三萜皂苷化学成分和药理作用研究进展的基础上，利用传统植化分离手段和现代分离技术，包括大孔树脂、硅胶、葡聚糖凝胶、反相硅胶等柱色谱，制备高效液相色谱法等技术从中药合欢皮中分离得到了4个化合物，其中，2个新化合物和2个己知化合物，并进一步通过现代分析技术IR，ESI-MS，~1H-NMR，~(13C-NMR，HMBC，HMQC，~1H-~1HCOSY等和化学方法鉴定了2个新化合物的结构分别是：3-O-[β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖基]-21-O-[(6S)-2-反式-2，6-二甲基-6-O-β-D-吡喃鸡纳糖基-2，7-辛二烯酸基]-金合欢酸-28-O-α-L-呋喃阿拉伯糖基(1→4)[β-D-吡喃葡萄糖基(1→3)]-α-L-吡喃鼠李糖基(1→2)-β-D-吡喃葡萄糖苷，金合欢酸3-O-β-D-吡喃葡萄糖基(1→3)-β-D-吡喃夫糖基(1→6)[β-D-吡喃木糖基(1→2)]-β-D-吡喃葡萄糖苷；2个已知化合物结构分别是：金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷，金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-α-L-吡喃阿拉伯糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷。
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The proteins caused haze in the beer during storage. C-I type of silica hydrogel produced in specific method was suitable to stabilizing beer and noneffective on other constituents and the character of the beer.
试验筛选出适用于啤酒的，经特定制备方法制得的C-Ⅰ型硅凝胶，其对啤酒中高分子含氮物质具有较强的选择性吸附作用，可有效地提高啤酒的非生物稳定性，且不改变啤酒的其它纽分和外观质量。
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Classification and principle of rigid waterproofer;2. The circinal cavities were found in calcium alginate beads and the cylinder holes were observed in zinc alginate beads from the SEM,which indicated that the volume of fraction of zinc alginate polymer was relatively bigger and the zinc alginate polymer chain was more rigid than that of calcium alginate .
凝胶的SEM照片可见，海藻酸钙的冷冻干燥颗粒内为较大的圆孔，海藻酸锌凝胶内为较小的长孔，表明海藻酸锌高分子链在凝胶颗粒中的体积分率相对较大同时刚性较强；卵清蛋白从海藻酸凝胶颗粒中释放的试验结果表明，由于上述海藻酸锌凝胶的特性，导致海藻酸锌对卵清蛋白扩散阻滞作用相对较强；根据试验数据计算得卵清蛋白在海藻酸钙、海藻酸锌凝胶颗粒中的扩散系数分别为1。
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The circinal cavities were found in calcium alginate beads and the cylinder holes were observed in zinc alginate beads from the SEM,which indicated that the volume of fraction of zinc alginate polymer was relatively bigger and the zinc alginate polymer chain was more rigid than that of calcium alginate .
凝胶的SEM照片可见，海藻酸钙的冷冻干燥颗粒内为较大的圆孔，海藻酸锌凝胶内为较小的长孔，表明海藻酸锌高分子链在凝胶颗粒中的体积分率相对较大同时刚性较强；卵清蛋白从海藻酸凝胶颗粒中释放的试验结果表明，由于上述海藻酸锌凝胶的特性，导致海藻酸锌对卵清蛋白扩散阻滞作用相对较强；根据试验数据计算得卵清蛋白在海藻酸钙、海藻酸锌凝胶颗粒中的扩散系数分别为1.19×10-7、0.07×10-7cm2/s，利用阻滞模型计算得海藻酸锌高分子链在凝胶颗粒中体积分率约为海藻酸钙高分子链在凝胶颗粒中体积分率的1.7倍。
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Our model explains why segregation mainly occurs at particular levels and produces distinctive magmas.
我们的棋式说明了为什么分凝作用主要发生在特定的深度和产生的性质不同的岩浆。
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The simulation shows that the segregation separation of the big relicts is obvious, and that of the small relicts is little.
模拟计算显示，分凝作用是存在的，分凝作用对于大颗粒的残余体的分离作用明显，而对于小颗粒的残余体的分离作用很小。
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soil disinfection：土壤消毒[净化](作用)
gelt geld的过去式及过去分词 | soil disinfection 土壤消毒[净化](作用) | prehardening 初凝, 预硬化
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prothrombin：凝血原
这二种相反的作用乃分别由促凝血成分及抗血凝成分所引起的,白赤尾鲐及百步蛇蛇毒精制所得的促凝血成分均具有类似凝血 作用(thrombin-like action),而自百步蛇蛇毒所分离的精制抗血凝成分乃是抑制凝血 原(prothrombin)变成凝血 的结果.
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dephlegmation：分凝作用,分溜
de Pezzer catheter 蕈头导管 | dephlegmation 分凝作用,分溜 | dephlegmator 分馏柱,分馏器
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dephlegmation tower：分凝塔
dephlegmator 分凝器 | dephlegmation tower 分凝塔 | dephenolization 去酚<作用>;脱酚<作用>
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dephlegmator：分馏柱,分馏器
dephlegmation 分凝作用,分溜 | dephlegmator 分馏柱,分馏器 | dephlogisticated air 氧气
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magmatic segregation：岩浆分体作用;岩浆分凝作用
岩浆分体作用;岩浆分凝作用 segregation in magmas | 岩浆分体作用;岩浆分凝作用 magmatic segregation | 岩浆分异 migma
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magmatic segregation：岩浆分结作用;岩浆分凝
岩浆分结矿床 ore deposit due to magmatic segregation | 岩浆分结作用;岩浆分凝 magmatic segregation | 岩浆分体作用;岩浆分凝作用 segregation in magmas
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magmatic stoping：岩浆顶蚀作用
岩浆分凝,岩浆分凝作用 magmatic segregation | 岩浆顶蚀(作用) magmatic stoping | 岩浆水 magmatic water
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clotting：凝结
因为凝乳酶的作用具有高度的专一性,直接作用于乳蛋白质颗粒的若干特定点上,奶温在30℃时,10分左右便发生凝结(clotting);然后稍稍升温以排出乳清、提高凝结硬度,硬度合适时须及时切块(cutting);切割时,奶块中的乳清自行开始流出,
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segregation in magmas：岩浆分体作用;岩浆分凝作用
岩浆分结作用;岩浆分凝 magmatic segregation | 岩浆分体作用;岩浆分凝作用 segregation in magmas | 岩浆分体作用;岩浆分凝作用 magmatic segregation