苯基並氨酸 的英文怎麼說
中文拼音 [běnjībàngānsuān]
苯基並氨酸
英文
dlphenylalanine dl-
( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
（ 3 ）用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物，與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜，制備了一種苯並蒽酮schiff堿光化學傳感器，可用於單質碘的測定。We selected styrene as monomer, diethylene glycol dimethacrylate as cross - linking agent. the copolymerization technique was used in preparing the probe. the ph fluorescent indicator was immobilized in the probe as the sensitive element
我們選擇苯乙烯為聚合單體，雙甲基丙烯酸一縮二乙二醇酯為交聯劑，採用交聯共聚技術制備氨多孔塑料傳感探頭，並將ph熒光指示劑固定於共聚體中作為氨的敏感元素。In the second part, we studied the plastic porous probe for ammonia measurement, which was made by methyl methylacrylate. we selected methyl methylacryte ( mma ) as the monomer, diethylene glycol dimethacrylate ( dgdm ) as cross - linking agent and toluene as the inert solvent. the probe was prepared by a copolymerization technique
第二部分為以甲基丙烯酸甲酯為單體的多孔塑料光纖傳感探頭的研究，在這一部分里，我們以甲基丙烯酸甲酯為單體，雙甲基丙烯酸一縮二乙二醇酯為交聯劑，以甲苯為致孔劑，採用交聯共聚技術制備氨多孔塑料光纖傳感探頭，並將ph熒光指示劑藻紅固定於共聚體中。Three porphyrin complexes of palladium were chosen as phosphorescence sensing molecules : palladium - meso - tetra ( trimethylaminophenyl ) porphyrin ( pd - tapp ), palladium - coporphyrin ( pdcp ) and palladium - meso - tetra ( p - sulfonicphenyl ) porphyrin ( pd - tspp ). they were bound to dowex resins, and made into oxygen sensor. we detected the characteristics such as sensitivities and response times combined with flow injection analysis ( fia ) technology
選取了三種金屬鈀的卟啉配合物：四- （三甲氨基苯基）鈀卟啉（ pd - tapp ） 、鈀糞卟啉（ pd - cp ） 、四- （對磺酸基苯基）鈀卟啉（ pd - tspp ）作為磷光傳感分子，將其固定在dowex樹脂上，製成傳感器，並與流動注射分析技術（ fia ）結合起來，考察了其對氧的傳感靈敏性，時間響應特性等條件。A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。Activity of phenylalanine ammonia - lyase ( pal ) was increased by uv - b radiation, and as a consequence, uv - absorbing compounds were accumulated. it was inferred from our results that the accumulation of uv - absorbing compounds such as flavonoids may be a common response for plants in resistant to enhanced uv - b radiation
在uv - b處理下，紫萍的苯丙氨酸氨基裂解酶（ pal ）活性上升，並導致其體內吸收uv - b的物質積累，推測類黃酮積累可能是植物抵禦uv - b逆境的一個共同效應。Aminobenzenesulfonic acid super - plasticizer is selected though cement paste test, which be provided with high water - reducing property, low slump loss and good compatibility with cement. according to the request of super high early strength, admixture rf is obtained though tests to compare performances of different accelerators and admixtures. experimental research and analysis are carried out on coarse aggregate ' s grain - size effect and composite aggregate ' s bulk - density to take sensitivity of coarse aggregate into account
通過水泥凈漿試驗比較選擇了減水率高、坍落度損失小、與水泥適應性好的氨基苯磺酸鹽高效減水劑；針對超早強的性能要求，試驗比較了不同早強劑及早強性摻合料的性能表現，研製了早強性能顯著、與高效減水劑和水泥相容性較好的rf摻合料；考慮到修補混凝土對粗集料粒徑的敏感性，對粗集料粒徑效應及混合集料堆積密度進行試驗研究與分析；並對修補混凝土的抗折、抗壓、新老界面粘結強度以及抗凍性等進行了試驗研究。According to the conserved domain of the pal gene family, we achieved to the segment of pal gene about 950bp in rhodiola crenulata. some proposals were put forward for further development of the important enzymes in the metabolic pathway of salidroside
我們還根據苯丙氨酸解氨酶（ pal ）基因家族的保守序列，以大花紅景天dna為模板，通過pcr擴增得到其約950bp長的pal基因的克隆，測序並比較了它與其基因家族的同源性。This gives huanyu most advantages in paint industry in china. huanyu is engaged in the environment protection at all times, for example, in the area of reuse of waste polymerisates, in the area of making aqueous paint to restrict voc let out. especially in the reuse of polymerisates, by degradation, the macromolecule become oligomer which can be used as materials in paint resin manufacturing, both pet flack, grain, silk, bottle, block appearance and ps espccially in bubble form be widely used in huanyu. besides, huanyu has been using waste pe, pvc, pp to make aqueous paint package, the output reached 1 million size 5 gallons in 2000
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