Resistance and its mechanism of methotrexate against malignant lymphoma cell lines

1、

The cracked ammonia-flume was analyzed by chemical analysis and metallography.

采用化学分析、力学性能测定和金相检验对氨水槽泄漏失效进行了分析。

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2、

It turns out that the adsorbing capacity of ammonia will be highly increased and the adsorption shows both physical and chemical adsorption properties simultaneously, whereas the adsorbing capacity of pyridine and diethylamine will be a little decreased when CuSO_4 is carried.

结果表明，负载CuSO4对氨的吸附容量明显提高，具有物理吸附和化学吸附双重功能，但吡啶、二乙胺略有下降。

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3、

Both sensitivity of nitrogenase in response to NH_4~+ and the level of glutamine synthetase ( GS) activity depend upon either the culture age or the N-nutrient states of Rhodopseudomonas capsulata.

Rhodopseudomonas capsulata固氮酶活性对氨的敏感性及谷氨酰胺合成酶（GS）活性的变化在很大程度上受菌龄和氮素营养的影响。

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4、

Effects of high efficiency urea on the loss of ammonia volatilization and nitrogen fate were studied by the methods of ammonia volatilization model system and 15 N tracer technique.

利用室内氨挥发模拟系统和同位素15N示踪技术，研究高效尿素对氨挥发损失和氮素去向的影响。

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5、

The article investigated the effect of support, Ru precursor, promoter and preparation process on catalytic properties of ruthenium catalyst for ammonia synthesis by means of various characterization methods performed by N2 physical adsorption, CO chemisorption and X-ray diffraction.

采用元素分析、N2物理吸附、CO化学吸附、X－射线粉末衍射等表征手段，详细考察了载体、钌活性组分、助剂及催化剂的制备方法对氨合成催化性能的影响。

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6、

Objective: 182 cases of early pregnant women were treated with oral lowdose MTX combined with mifepristone and misoprostol in order to observe the effect of termination of early pregnancy.

目的：对氨甲喋呤（MTX）合并米非司酮与米索前列醇（米索）抗早孕的剂量、副作用作一初步探讨。

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7、

Several aspects related to the commercial application were investigated in this study, including the influence of pH, temperature and velocity on the removal efficiency, membrane fouling and washing method, and the evaluation of energy consumption.

实验研究了pH值、温度和流速等操作条件对氨和酚去除效果的影响，膜污染和清洗方法，以及能源消耗评估等与工业化应用相关的几个实际问题。

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8、

The effects of oxygen ratio, ammonia ratio, reaction temperature and load on NC-ⅲ catalyst for the synthesis of isophthalonitrile ( IPN) were studied.

研究了氧比、氨比、反应温度、线速度及负荷对氨氧化制间苯二腈的NC－Ⅲ催化剂性能的影响。

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9、

The biotransformation of 6-amino butyl phthalide ( ABP) has been studied.

本文对氨丁苯酞（ABP）的代谢转化进行了系统研究。

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10、

Preparation of Ru/ γ-Al_2O_3 and Ru/ AC Catalysts and Their Catalytic Capabilities on Oxidation of Ammonia

Ru/γ&Al2O3和Ru/AC催化剂的制备及其对氨氧化反应的催化性能

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11、

Study on the catalytic properties of fe, co, ni/ mgo catalysts for reduction of sulfur dioxide by ammonia to elemental sulfur

Fe，Co，Ni/MgO对氨还原SO2到单质硫的催化性能

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12、

O_2 Effect on the Adsorption and Decomposition of Ammonia on Pt/ α-Al_2O_3 Catalyst at Low Temperature

氧对氨在Pt/α-Al2O3催化剂上吸附和解离性能的影响

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13、

Optimal Design of the Main Bolt of Top Cover of the Ammonia Converter Based on ANSYS

基于ANSYS对氨合成塔端盖主螺栓的优化设计

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14、

The preparation of N-acetyl-D-glucosamine ( N AG) by D-glucosamine hydrochloride ( GAH) and acetic anhydride was studied.

研究了以氨基葡萄糖盐酸盐（GAH）为原料、乙酸酐为酰化剂制备了N-乙酰-D-氨基葡萄糖（NAG）。

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15、

Results The synovial fluid IL-1 β and TNF α levels of sodium hyaluronate group, glucosamine sulfate group and celecoxib group are significantly lower than the control group ( P 0.01).

结果透明质酸钠、硫酸氨基葡萄糖和塞来昔布组关节液中IL-1β、TNFα水平均显著低于对照组（P0.01）；

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16、

In the light of the metabolic engineering strategies, a strain which has a glucosamine production performance was constructed.

本研究以代谢工程的设计策略对常见大肠杆菌BL21（DE3）进行改造，使之具有更强的生产氨基葡萄糖的性能。

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17、

Objective: To explore the effectiveness of glucosamine sulphate on the prevention of early/ middle stage of osteoarthritis ( OA) and rehabilitation of cartilage degeneration in rabbits.

目的：观察硫酸氨基葡萄糖预防兔实验性早中期骨关节炎（OA）病变发生发展及其对软骨修复作用的程度。

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18、

Experimental Studies on Repairing Articular Cartilage Degeneration with Glucosamine Sulphate and aFGF in Rabbits with Osteoarthritis

硫酸氨基葡萄糖和aFGF修复兔骨关节炎软骨退变的实验研究

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19、

Chitosan ( CS) is a natural biodegradable polymer. Its degradation product is alkalescent and is not harm and toxic to human body or tissue.

壳聚糖（CS）是一种天然的生物可降解多糖，其降解产物为氨基葡萄糖，具有一定的碱性，对人体组织无毒、无害。

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20、

The level of serum glucosamine and galactosamine were determined in 19 female patients with systemic lupus erythematosus by the second derivative spectrophotometry method.

采用二阶导数分光光度法，对19例女性SLE患者血清氨基葡萄糖（GlucosamineGlus.）和氨基半乳糖（GalactosamineGals.）进行检测。

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