查询词典 yields
- 与 yields 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The results show that: the functional groups in coal are the function of coal rank , and the yields of CO 2, H 2O and CO are related to the content of carboxyl, hydroxyl and other oxygen containing groups such as ether groups in coal, and Tar and CH 4 are related to the aliphatic CH, the char yields to the aromatic CH.
借助化学分析和FTIR光谱分析对我国煤化程度不同的18 种煤中官能团的研究表明:煤中官能团含量与煤化程度有关;煤中羧基、羟基及醚键等其他含氧官能团的含量与热解生成物CO2、H2O 和CO 的产率有关,脂肪—CH 的含量与甲烷和焦油的产率相关联,芳香—CH 的含量与热解半焦产率有关。
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As a result, Core gene was expressed in E.coli with yields of 20% of total proteins and it was a 31KD fusion protein on SDS-PAGE and Western-Blot, it shows that Core protein was highly expressed in E.coli;One fragment of 369bp could be seen on the gel of the Core gene PCR product. A band of 29KD could be seen on the Western-blot after induction of yeast containing pPICZaA-Core for 72 hours. This indicate that Core protein was secretively expressed in the Pichia pastoris with weak yields.
结果显示pBVIL1-Core的表达产物经SDS-PAGE分析出现一条约31KD的带,与预期融合蛋白的分子量相符,表达蛋白存在于包涵体中且表达量占菌体总蛋白的20%,Western-blot显示诱导后菌体在相应位置出现特异性杂交带,表明
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To having the behavior person of fairness psychology preference, although produce the process is complete independence, best bond also is to depend on at the same time the combination that the individual yields with other is contracted, is not to depend on only the independence that the individual yields is contracted, the sufficient statistic of result standard game theory measures a principle to hold water no longer.
对具有公平心理偏好的行为人,即使生产过程是完全独立的,最优契约也是同时取决于个人产出和他人产出的联合契约,而不是仅取决于个人产出的独立契约,结果标准博弈论的充分统计量原则不再成立。
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Acridone 1 reacted with benzyl chlorides 2 in NaH/DMF/KI to give 10-benzyl-9-acridones 3 in high yields. Subsequent reduction of 3 with NaBH4 gave 10-benzy1-9,10-dihydroacridine derivatives 4 with yields of 88%~96%.
吖啶酮1与氯化苄及其衍生物2在氢化钠/N,N-二甲基甲酰胺/碘化钾中反应高产率生成10-苄基吖啶酮类化合物3; 3经硼氢化钠氢化还原生成10-苄基-9,10-二氢吖啶类化合物4,产率88%~96%。
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If we increase the energy of incident atoms reasonably, which will enlarge adatom yields, vacancy yields and their distribution area, layer by layer growth model will be advanced .B. Influence of substitutional impurities on the stability of noble metals'(111) surface.
在一定范围内适当地提高沉积原子的能量,将有助于扩大表面吸附原子及空位缺陷的产额及分布区域,有利于提高形核密度,降低晶核尺寸,促进薄膜的层状生长。
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Reaction (1) was examined with different kinds of acetal substrate(1) and vinyl ethyl ether, and the results indicated that the 1, 1,3-triethoxy compounds could be obtained in high yields of 88 and 97% respectively when the R groups of the acetal are phenyl and anisyl, while the yields amounted only to 55-75 % for R=a...
有证据表明这种催化反应也可能是通过正碳离子中间体进行的。本反应的产物1,1,3-三乙氧基化合物经乙酸/乙酸钠溶液水解可得反式α,β-不饱和醛。水解产率:芳香族产物大于90%,脂肪族产物大于75%。
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For the saturated aromatic aldehydes with malononitrile and barbituric acidit, the reaction was found to proceed very efficiently at room temperature giving excellent yields under ultrasonic irradiation, while for α,β-unsaturated aldehydes as well as p-phthalaldehyde with malononitrile and barbituric acid the reaction also proceeded smoothly at room temperature with good yields.
在超声波辐射下,不仅饱和芳香醛与丙二腈、巴比妥酸的一锅反应在室温下能高收率地进行,而对于α,β-不饱和醛以及二元醛与丙二腈、巴比妥酸的一锅反应也能在室温下顺利进行,获得较高的收率。
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As to the catalytic coupling of aryl bromides, when triphenylphosphine as ligand and malononitrile as subtracts, their isolated yields were generally in 72-88%; While using cyanoacetate instead of malononitrile, the yields were in 67-84%.
当采用常见的三苯基膦为配体、对取代溴苯而言,以丙二腈为底物时,偶联产物的分离产率一般都在72-88%之间;以腈基乙酸乙酯为底物时,分离产率在67-84%之间。
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The crudeglycerol from biodiesel production could be directly converted to 1,3-PD without any priorpurification. In flask cultures, the 1,3-PD yields of 0.62 and 0.44mol/mol on crude glycerolfrom lipase-and alkali-catalyzed methanolysis of soybean oil were lower than that of0.68mol/mol on pure glycerol. In fed-batch fermentations, the 1,3-PD yields of 0.47 and0.46mol/mol on crude glycerol were comparable to that of 0.49mol/mol on pure glycerol.
生物柴油的副产物甘油不经纯化可以直接用来发酵生产1,3-丙二醇,在摇瓶培养中,由酶法和碱法得到的甘油获得的1,3-丙二醇的转化率分别为0.62mol/mol和0.44mol/mol,而纯甘油得到的转化率为0.68mol/mol;在批式流加发酵中,由酶法与碱法得到的甘油和纯甘油得到的1,3-丙二醇的转化率相差不大,分别为0.47mol/mol、0.46mol/mol和0.49mol/mol,纯甘油得到的生产强度最高,为2.0g/,两种粗甘油得到的生产强度都为1.7g/。
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The reaction of cyclic b-keto esters with CF3CO2ZnCH2I provides the corresponding ring-expanded products with the advantage of mild condition in moderate to good yields. A simple and efficient procedure has been developed for a variety of 1,3-diketones converted into the corresponding 1,4-diketones and trans-1,2-disubstituted cyclopropanols in high yields. In conclusion, this new type of organozinc reagents has been developed for many useful reaction in organic synthesis.
利用有机锌试剂所具有的双重特性,在新型的Baylis-Hillman反应中,可以直接与炔基酮和醛反应一锅制得多官能团的三取代的顺式烯;在b-酮酯化合物的扩环反应中,取得了重要进展,得到了增加一个碳的扩环产物,&一步法&合成,反应条件温和、环境友好;在1,3-二酮分子中成功地插入1个碳,合成出1,4-二酮和环丙醇,为现代有机合成提供了新的合成方法,具有良好的应用前景。
- 相关中文对照歌词
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- 推荐网络例句
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There are different types of personal loans available.
有许多不同类型的个人贷款优惠。
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The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.
上述螺旋式上升的教学模式,可以避免教学形成模式後的僵化现象。
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In addition, the mass transfer process of main components in the heat pump cycle, such as a generator and an absorber, is analyzed, and the mass trasfer model, the relation of its separation effectiveness with the thermodynamic inconvertibility are described.
根据热力学第一、二定律,从理论上建立了描述该类热泵的数学模型。从热力学不可逆性原理出发,分析了热泵循环过程的热力学不可逆性引起的〓损失。