查询词典 fractions

［Objective］ To research main compounds in different fractions of water extract from the root of Adina rubelle Hance.

［目的］研究水杨梅根提取物不同提取部位的主要成分。

On the other hand, the crude extracts of Sapindus mukorossi could not inhibit the seed germination on Pak-choi, but their n-BuOH fractions could retard the germination for 36 h.

至於植物相克作用活性方面，由小白菜种子发芽抑制试验结果得知，无患子木材与果实抽出物各分离部皆无法抑制种子的发芽，但二者之正丁醇分离部均可延缓种子发芽作用36 h。

The results showed that the fractions of alcohol-benzene soluble and water soluble decreased with the process of decomposition. The concentration of semicellulose and cellulose increased firstly and then decreased. However, the concentration of lignin increased.

结果显示，随着腐解进行，腐解产物中的苯–醇溶性、水溶性组分下降，半纤维素和纤维素含量先上升后下降，而木质素增加；腐解物的能态呈现上下起伏、下降和相对稳定3个阶段的变化，总体是一个放能过程。

According to Gas Chromatography infra-red spectra analysis, the four fractions all contain different quantities of arabinose , galactose, glucose and seminose, VLP-2 and VLP-3 also contain rhamnose and xylose, polysaccharide configuration may have B -D-pyran glucose.

以粗多糖为起始原料计算，四个级分的纯品多糖得率分别为：VLP—1为25.32％，VLP—2为50.82％，VLP—3为7.55％，VLP—4为10.41％。根据气相色谱分析表明，四个级分的多糖都含有不同量的阿拉伯糖、半乳糖、葡萄糖、甘露糖，VLP—2、VLP—3还含有鼠李糖和木糖。

Tested soils with increment in sodicity were obtained by mixing sodic and non-sadie dryland soil at various fractions.

以不同比例的苏打盐碱土和非盐碱旱田土充分混合配制不同盐碱梯度的实验土壤。

Objective: To develop the method of extraction, contents and fractions of polysaccharide from Sorbaria sorbifolia.

目的：建立珍珠梅样品中多糖的提取、含量测定及成分分析法。

MethodsThe ethyl acetate fractions from MeOH extracts of the spermoderm of Xanthoceras sorbifolia were partitioned and purified by means of several separation methods.

方法采用多种分离技术对文冠果种皮甲醇提取物的醋酸乙酯部位分离纯化，根据其理化性质和光谱数据进行结构鉴定。

Lucy knows how to add and substract but fractions have her up a stump.

我们已经弄到了地图……可压根就没接近找到山谷……没错，我们现在是进退两难。

The first chapter focuses on study of theestablishment of acetylcholesterase's inhibitor's screening model and the algal fractions'inhibitory activity to acetylcholesterase. The second chapter focuses on study of chemicalconstituents of red alga Plocamium telfairia. The third chapter is a brief review aboutresearches on bioactive constituents of seaweeds.

第一章详述了乙酰胆碱酯酶抑制剂筛选模型的建立及海藻组分对乙酰胆碱酯酶抑制活性的研究，第二章详述了红藻海头红化学成分的研究，第三章对海藻生物活性成分研究概况进行了简要的综述。

The flotabilty of titanaugite and ilmenite and the effects of different size fractions of titanaugite on the flotability of ilmenite were studied by flotation tests and DLVO theoretical calculations.

摘 要：采用浮选实验和DLVO理论计算，研究钛辉石和钛铁矿各自的可浮性以及各粒级钛辉石对钛铁矿可浮性的影响规律及机理。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。