和硫

Sulphoaluminate alite cements were successfully prepared from fly ash, bauxite and CaF2 as a fluxing agent by designing MG and MS values, i. e., the controlling of CaO and CaSO4 content, and the sintering at 1150℃, 1200℃, 1250℃, 1300℃ and 1350℃ respectively.

以粉煤灰为主要原料，CaF2为矿化剂，设计MG和MS值，控制CaO和CaSO4含量，分别在1150、1200、1250、1300和1350℃温度下烧制高胶凝性硫铝酸钙－阿利特复合矿相水泥熟料。

It has been reported that gestational and lactational exposure to estrogens or androgen antagonists reduced testicular size and sperm production, germ cell apoptosis, male infertility, and male reproductive tract malformations, such as cryptorchidism, hypospadias, nipple retention, or reduced anogenital distance.

但本实验结果显示，大鼠孕期和哺乳期接触达母体中毒剂量的硫丹，对雄性子鼠的睾丸重量、每日精子生成量、附睾精子数和精子形态、睾丸生殖细胞凋亡发生率等都没有明显的影响，也未见雄性子鼠AGD缩短、乳头残留及隐睾和尿道下裂等雌性化表现。

The water-cooling two-stroke gasoline engine oil was developed from base oil made by sour crude,no peculiar smell kerosene,PIB with low molecular weight and some domestic additives including pour point depressant,antirust agent,antioxidant,antiwear agent and ashless dispersant,etc.

以中国石化茂名分公司生产的含硫原油基础油、无异味煤油和PIB为基础油组分，加入国产降凝剂、防锈剂、抗氧剂、抗磨剂和无灰分散剂研制出的水冷二冲程油具有较好的润滑性能和清净性能，达到TC-WⅡ规格要求。

The results of bioassay suggest that 2-methylthio-6-methyl-4-substituted pyrimidine and 4, 6-dimethoxy-2-substituted pyrimidine derivatives show herbicidal activity. In these target compounds, 4, 6-dimethoxy-2-substituted pyrimidine benzylamine and 4, 6-dimethoxy-2-Substituted pyrimidine benzylidene amine exhibit good herbicidal activity, and the herbicidal will be affected by the substituents in the benzene ring.

对分子库中的目标分子进行了生物活性筛选研究，发现其中的2-甲硫基-6-甲基-4-取代嘧啶衍生物和4，6-二甲氧基-2-取代嘧啶类化合物显示出除草活性，其中4，6-二甲氧基-2-取代嘧啶苄胺类化合物和4，6-二甲氧基-2-取代嘧啶亚苄胺类化合物具有较好的除草活性，而且其活性和苯环上的取代基有关。

Using the addition method of index in aquatic toxicity, compared the acute and joint toxicity of methyl parathion and chlorpyrifos to Skeletone macostatum Cleve .

e# 采用水生毒理联合效应相加指数法，比较了有机磷农药甲基对硫磷和毒死蜱的单剂和混合剂对中肋骨条藻的急性毒性和联合毒性。

M/s. The following dimensionless relationships were obtained: Sh=2+0.073Re〓Sc〓〓〓 The desulphurization process by powder injection and blowing in RH refining of molten steel and its mechanism have been considered and analyzed. Based on the tworesistance mass transfer theory and the mass balance of sulphur in the system, a kinetic model for the process has been developed. The related parameters of the model have been reasonably determined. Modeling and calculations for the process by injecting and blowing the lime based powder flux under the assumed operating modes in a RH degasser of 300t capacity have been carried out using the model.

考虑颗粒与液流的相对速度，RH—PTB条件下熔池传质特性可由下式表征： Sh=2+0.073Re〓Sc〓考虑紊流中脉动速度引起的能量耗散，RH—PTB条件下熔池传质过程服从如下关系：〓将粉剂颗粒与钢液间的传质当作刚性的气泡与钢液间的传质处理，对RH—PTB过程有：〓考察和分析了RH喷粉脱硫过程及机理，基于双重阻力传质理论和体系内硫的质量衡算，建立了RH喷粉脱硫过程的动力学模型，确定了模型各有关参数，包括各传质系数和脱硫处理过程中钢液内参与脱硫反应的粉剂量等。

The content of endogenous hormones, including IAA, ABA, GA3 and ZT, and phenol compounds were measured using HPLC, anti that of total sugar and total nitrogen were analyzed by the methods of hyposulphite titration and nitrogen.

采用高效液相色谱法测定插穗内源激素（IAA、ABA、GA3和ZT）和酚类化合物的含量，硫代硫酸钠滴定法测定总糖和凯式定氮法测定总氮含量。

Firstly, polyacrylamide with 26 million molecular weight was compounded in lab through establishing optimum compounding initiator proportionality of 1:1. 3 and mass concentration of 170 mgL^(-1), temperature of 10 ℃, acrylamide mass percentage of 25%, electrical conductivity of 3.6 μSm^(-1) and pH value of 6.57. The salt-resistance, thermal endurance and shear-resistance of polyacrylamide could be enhanced b introducing sulfonic acid group or styrene sulfonate group or drawing the two groups above at the same time. Secondly, chelator HEDP, bactericide isoquinoline ketone and oxygen scavenger thiourea were optimized to improve the compatibility of polyacrylamide and formation water.

在由室内试验确定了复合引发剂最佳比值1：1.3和质量浓度170 mgL^(-1)、合成最佳温度10℃、丙烯酰胺单体质量分数25%、电导率3.6μSm^(-1)和pH值6.57后，合成出相对分子质量高于2.6×10^7的聚丙烯酰胺，同时通过丙烯酰胺单体复配引入磺酸基团、苯乙烯磺酸基团或同时引入此两种基团，提高了聚合物的抗盐、抗温、抗剪切性能；后针对聚丙烯酰胺与地层水配伍性差的问题，优选出HEDP螯合剂、异噻唑烷酮杀菌剂和除氧剂硫脲，对聚合物稳定效果明显。

Carotenoids in carrots and tomatoes, isothiocyanates in broccoli and cabbage, and flavonoids in soy, cocoa and red wine are just a few examples.

象胡萝卜和番茄中的胡萝卜素，花椰菜和洋白菜中的异硫氰酸酯，大豆，可可粉和红酒中的黄酮就是一些例子。

Carotenoids in carrots and tomatoes, isothiocyanates in broccoli and cabbage, and flavonoids in soy, cocoa and red wine are just a few examples.

例如，胡萝卜和番茄中的类胡萝卜素、椰菜和卷心菜中的硫氰酸盐、以及大豆、可可和红酒中的类黄酮。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。