查询词典 solubility

The solubility of the hydroxides increases as the elements get heavier.

随着元素的质量增加，氢氧化物的溶解度逐渐减小。

The solubility of 2 -hydroxybenzoic acid was measured in supercritical carbon dioxide with and without cosolvents, such as cyclohexane and ethanol,within a temperature range of 308.15-328.15 K,and a pressure range of 10.0-24.0 MPa,by flow method.

该模型迭代速度快，需要的物性参数少。用流动法测定了2-羟基苯甲酸在温度308.15，328.15 K、压力10.0，13.0，16.0，20.0，24.0 MPa条件下，在超临界CO2中及有夹带剂环己烷、乙醇存在时的溶解度数据。

All of the three ether imides synthesized exhibited low inherent viscosity, high thermal stability of 456 to 499 oC in TGA measurement (5wt% loss/N2) with Tgs between 240 ~254 oC. They also show good solubility behaviors in N-methyl-2- pyrrolidinone, dimethyl sufloxide, dimethyl formamide, chloroform, and m-cresol.

所得聚醚亚醯胺高分子皆具如下相同之优点如：包括低固有黏度表现，其热性质上也具高隐定性，其TGA在氮气5 wt %重量损失测定可达456 ~ 499 ℃，其玻璃转移温度达240 ~ 254 ℃，在溶解度方面，它们皆可溶解於高极性有机溶剂如： NMP、DMSO、DMF，亦可溶於中极性之溶剂如CHCl3、m-cresol。

The outstanding properties of near-critical water comparing to that of water at ambient temperature and pressure are its high ionization constant and low dielectric constant,so it possesses self-acid/base catalysis function and special solubility of organics and inorganics.

近临界水与常温常压水相比其突出的性能是电离常数大和介电常数小，因而近临界水自身具各酸碱催化功能和能同时溶解有机物和无机物的特性。

Chiral drugs ; mandelic acid ; ionization constant ; solubility ; mensuration

手性药物；扁桃酸；离解常数；溶解度；测定

Thus iron tetrakis porphyrin chloride , chosen as a catalyst in this study, was synthesized, and its solubility and catalytic activity in supercritical propane were investigated.

本研究选择多卤代卟啉铁作为催化剂，合成了四卟啉氯化铁，测定了TPFPPFeCl在超临界丙烷中的溶解度，并且考察了利用空气选择性羟基化丙烷的催化行为。

A significant technical barrier with using scCO2 is that it is a relatively weak solvent of important classes of materials which tend to exhibit low solubility in scCO2 including polar molecules and high-molecular weight polymers, which limites its industrial applications.

但scCO2是很弱的溶剂，大部分极性分子和高分子量聚合物在其中的溶解度都很低，限制了其工业应用。

Macrocyclic supramolecular drugs forming by macrocycle s with special structure and high selectivity according to their different purpose could play important parts in the drug-controlled releasing, chiral recognition, mimic enzyme, molecular switch, and so on, especially supramolecular drugs can help to improve solubility, bioavailability of drugs and realize targeting when it encapsulates drugs.

具有独特的结构和高选择性的大环化合物所形成的大环类超分子药物可根据其目的不同在药物控制释放、手性识别、模拟酶、分子开关等方面起着重要作用，能大大改善药物的溶解度、生物利用度及实现靶向作用等，因此大环超分子药物为化学药物治疗提供了新的推动力。

Molecular Formula and Molecular Weight : C27H32O14; 580.53Melting Point and solubility: When crystallized from water ,it contains 6 to 8 mol H2O, mp 83℃. After drying at 110℃ to constant weight, it contains 2 mol H2O, mp 171℃. Sol in methanol,alcohol, acetone, warm acetic acid,dil alkali and hot water.

熔点及溶解度：纯品柚皮甙中结晶水的含量及其熔点因结晶和干燥方法而异，以水作溶剂结晶所得柚皮甙分子中含6～8个结晶水，熔点83℃；而在110℃下干燥至恒重后得到的柚皮苷分子含有2个结晶水，其熔点升至171℃。

A new Schiff baseH_(2Lhas been synthesized from sulfamethoxazole and complexes of this ligand have been prepared with it and characterized by elemental analysis,infrared spectrum,nuclear magnetic resonance,thermal analysis,molar electric conductance and solubility.

以磺胺甲基异口恶唑与对羟基苯甲醛合成一种新西佛碱(H2L)，并用此配体制备8个稀土配合物，通过元素分析、红外光谱、核磁共振、热分析、摩尔电导和溶解性试验对配合物进行了表征。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。