查询词典 dosage

The LD50 of Panax ginseng was above 100 g/kg. When Panax ginseng was in high dosage (20.0 g/kg) the number of macronucleus of mouse could be obviously increased, while normal dosage had no influence on it.

人参在高剂量(20.0 g/kg)时可以明显增加小鼠骨髓微核数，在正常剂量下对小鼠骨髓微核数无影响。

In another experiment, after feeding APP for 5 weeks, low dosage group (15%) significantly decreased UI, liver lipid peroxidation and increased plasma calcium level compared with the negative control group. In high dosage of APP (30%), gastric mucosa and liver lipid peroxidation significantly decreased and amylase, lactase, sucrase, maltase activities significantly elevated compared to the negative control group.

另外，餵食薏仁加工产品五周后，发现低剂量组(15%)与负控制组相比能显著降低水浸润拘束紧迫法处理4小时所造成的溃疡指数，与负控制组相比显著降低肝脏脂质过氧化物含量并增加血清钙浓度，高剂量(30%)下显著比负控制组降低胃黏膜及肝脏脂质过氧化物含量，并且有提高淀粉酶、乳糖酶、蔗糖酶、麦芽糖酶活性。

The optimal conditions were 30 ℃,28.26 lx,2 min,λ40nm, n (AgNO\-3)∶ n=2∶1,dosage of metol 0.5 g/L and dosage of hydroquinone 5 g/L.

适宜条件为 30℃，2 8.2 6lx，2min ，λ 4 0nm ，n(AgNO3 )∶n =2∶1，硫酸对甲胺基苯酚用量为 0 5g/L ，对苯二酚用量为 5g/L。

This paper deals with the full study and analysis on the effects of MCPA on monocotyledonous turf and the control effectiveness to the lawn weeds in different dosages. The experiment results shown that: When the dosage is larger than 6000g/hm2, slight phytotoxic effect occurred. The larger dosage, the server the phytotoxic effect.

研究了二甲四氯不同用量对单子叶禾本科草坪草生长发育的影响和对草坪杂草的杀伤效果，结果表明：用量在6000g/hm2以上时，对草坪草就会产生轻度药害，且用量愈大，药害愈重；用量低于1500g/hm2，效果不明显。

The results show that the effect of quantity of initiator 、 dosage ratio between persulfates and Sodium Thiosulfate、reaction temperature、reaction time、crosslinking agent and the dosage of NaAA onGR、GE and WAR is significant.

实验结果表明：引发剂用量、反应温度、时间、和单体用量在制备腻子型吸水膨胀天然橡胶中对天然橡胶的接枝率有显著的影响，在本实验研究范围内的最佳工艺为：反应温度为40℃，反应时间为1小时，引发剂用量为0.50%，单体用量为100%，交联剂用量为2.00×10-4mol。

According to the orthogonal experiments, the sequence for five main factors of this technology could be expressed as the following in decreasing order: PAC dosage, PAM dosage, settling time, temperature, and stirring time.

根据PAC和PAM联用正交实验结果，确定影响因素显著性排序依次为：PAC投加量＞PAM投加量＞沉淀时间＞温度＞快搅时间。

Methods : Iodine - deficient Wistar rats were divided into 4 groups : model control group, conventional dosage Kelp group,3 times of dosage Kelp group,Prunella vulgaris group.

将碘缺乏Wistar大鼠随机分为模型对照组、常规剂量昆布组、3倍剂量昆布组、夏枯草组4组。

MethodsEffects of extraction time , temperature and ratio of dosage liquor and number of pots on generation of polysaccharide was studied in single factor test, orthogonal design. ResultsThe optimal extraction conditions of polysaccharide was 150 minutes, 90℃ and 1∶50 of the ratio of dosage liquor,5 pots in the pot groups dynamic refluence.

方法通过单罐单因素实验，正交设计分析提取时间、提取温度和料液比对蛹虫草多糖提取的影响；设计罐组式动态逆流提取装置，重点探讨料液比和提取级数对多糖提取得率的影响。

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%～40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶；深入研究了反应物配比催化剂用量等条件对凝胶过程的影响，得到了较佳的RF凝胶制备条件(RF浓度应大于2%，R/C值取50～300)；初步研究了凝胶过程中的粘度、粒径变化情况，分析了催化剂用量影响凝胶中粒子尺度的原因，在实验上印证了凝胶生长遵循"聚增长"的理论；通过引入超声波改进了RF气凝胶的制备工艺，缩短了凝胶反应时间，提高了凝胶品质，并探讨了超声波促进RF凝胶反应作用的原因；首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶，优化出复配比(对苯二酚含量为10%～40%)。2。

X-ray absorption dosage and the acumulated X-ray dosage of human sensitive organs during the operation under roentgenoscopy were explored through nonhomogeneous tissue equivalant radiological phantom and thermoluminescence measurement.

通过非均匀组织等效辐照体模和热释光测定方法，探讨BV29型电视X线机下手术时，人体受X射线辐射的吸收剂量和年累积吸收剂量。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。