等浓度

The hydrolysates of five proteins materials,namely fish meal,meat and bone meal,soybean meal,rapeseed meal and wheal gluten meal,were prepared with alcalase and their root-inhibiting activity to Indian dendranthema, Dendranthema indicum Des Moul was measured in Petri dish at different concentrations,i.e.0,0.5,1,2,5 mg/mL.

以鱼粉、肉骨粉、豆粕、菜籽粕及芡粉等几种天然蛋白原料为底物，以碱性蛋白酶为水解酶制备出天然蛋白原料的水解物，用培养皿生物分析法检测不同蛋白原料水解物在不同浓度(0.5、1、2、5 mg/mL)条件下对杂草野菊种子的生根抑制活性。

Some main problems which should be taken into account during design , including the dopant concentration of resistors ,the configuration of Wheatstone bridge ,the arrangement of resistors on square

对设计时应当考虑的主要问题包括金刚石力敏电阻条的掺杂浓度，电桥的形式，电阻条在膜片上的分布以及电阻条的有效长度和形状等进行了讨论。

The influence of the quantity of white rot fungus,concentration of coal slurry,coal granularity and pretreatment in desulfurization was studied and the optimum conditions for various factors were sieved by orthogonal test method.

通过正交试验研究了白腐菌在煤炭脱硫过程中细菌数量、煤浆浓度、煤粒度和预处理等各因素对其脱硫的影响，并筛选出各因素的最佳试验条件，在此基础上探讨了白腐菌脱硫的降解规律。

In the field of visible photosensitive resin, the absorption spectrum, excited state, solvent polarity effect, fluorescence spectrum, fluorescence quenching, concentration effect, photo fading, reaction mechanism as well as photopolymerization kinetics of xanthene iodonium salts and cyanine dye-borate were discussed. It is found that under the radiation of visible light, intra-ion-pair electron transfer reactions occur in bis salt of fluorescein and unsymmetrical trimethine cyanines containing quinoline end group triphenyl-butylboron, and the fading rate is very high.

在可见光敏树脂部分，通过对呫吨染料碘鎓盐和菁染料-硼盐体系的吸收光谱性质、激发态性质、溶剂极性效应、荧光光谱、荧光猝灭、浓度效应、光褪色反应、光聚合动力学等的研究，结果发现：荧光黄双二苯基碘鎓盐体系和含喹啉环端基不对称三甲川菁染料-三苯基丁基硼盐体系在可见光作用下均发生离子对内电子转移反应，且光褪色反应速率很高。

While the best performance on the amount of three less polar constituents, such as acacetin, chrysin and wogonin were obtained by using 60-95 % ethanol.

另外，acacetin，chrysin 及wogonin等三个极性较低的活性成分，则可在60-95 %酒精浓度及温度333 K下，具有最佳的抽取量。

The exact of petroleum ether was the acaricidal active site of Eungenia caryophyllata. 3.Isolation, purification and identification of compounds with acaricidal activity in Eugenia Caryphyllata: The exact of petroleum ether was separated into 6 parts by silica gel column chromatography with gradually increasing polarity of petroleum ether: ethyl acetate. The part C was demonstrated to be the most effective part by acaricidal activity test in vitro,and the time for it to kill all experimental mites was about 20 min.

丁香杀螨活性成分的追踪分离、纯化与结构鉴定：采用硅胶柱层析法，以石油醚：乙酸乙酯溶剂系统梯度洗脱，对丁香石油醚提取物进行分离，得到A~F 等6 段混合物，离体杀螨试验发现，C 段混合物具有突出的杀螨活性，50%浓度平均15min可杀死全部供试螨虫。

Changsha 410083, China）Abstract: The alkaline wastewater containing chromiumCr(VI was treated with C-1 strain identified as achromobacter isolated from sludge nearby the chromium slag pole site. The optimum conditions of growth of the strain and factors affecting reduction efficiency of Cr, such as the temperature, the pH value of solution, the concentration of Cr and the treatment time, were studied.

摘 要：用从铬渣堆埋场附近的污泥中分离到的无色杆菌属C-1菌株，对碱性含铬废水进行生物处理，研究了该菌的生长条件，并探讨了温度、pH值、Cr初始浓度及作用时间等因素对Cr还原的影响。

Extraction technology of flavonoids in Agrimonia pilosa was studied by orthogonal experiment.

采用正交试验法研究仙鹤草中总黄酮的提取工艺，考察了浸提液浓度、浸提温度、浸提时间、浸提次数、液料比等 5个因素对仙鹤草总黄酮含量的影响。

The test was conducted to study the influence of the different nitrogen concentration in float system on some agronomical and physiological characters of flue-cured tobacco plant at transplanting and 30 days after transplanting respectively.

以红花大金元烤烟品种为材料，研究了育苗阶段不同氮浓度营养液即50、150、250、350、450、550mg/kg对成苗时烟苗农艺性状、根系活力、脯氨酸含量以及移栽后30d时体内多酚氧化酶、过氧化物酶、过氧化氢酶等活性的影响。

The effects of reaction time, temperature, alkalic degree and the feed ratio on the hydrolysis reaction were investigated by means of the orthogonal design method. And the optimum operating conditions were got. Polyacrylate sodium was prepared under the optimum conditions.

利用正交设计，讨论了反应时间、温度、碱浓度、投料比等因素对水解反应的影响，获得了优化的水解反应条件，并在最优化的条件下制得聚丙烯酸钠。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！