季的

Using pentaerythritol as initiator, boron trifluoride diethyl etherate as catalyst.dichloroethane as dispersion agent, the chloride polyether polyol is synthesized based on the mechanism of cationic ring-opening polymerization of epiclilnrohyclrin.The azide polyether polyol is synthesized, in DMF through A and sodium azide, and the non-reported azide energetic curing agent is synthesized through the adduction of B and IIDI.

以季戊四醇为起始剂，三氟化硼乙醚为催化剂，1，2—二氯乙烷为分散剂，环氧氯丙烷经阳离子开环聚合反应制成氯化聚醚多元醇，A在N，N—二甲基甲酰胺中与叠氮化钠反应制得叠氮聚醚多元醇，B与六亚甲基二异氰酸酯加成反应制得未见文献报道的叠氮固化剂。

Flagellaria clonal population take the reproduction strategy,which expand the space and establish the basis of latent daughter ramet in the early growing season,and complete the daughter ramet growth and estabilishment in the later period.

初步推测，蔓委陵菜无性系种群采取了&生长季早期拓展空间并奠定潜在分株基础、后期完成分株长大并定植&的繁殖策略。

Wei's force will see The Huns make, from with go 陋, not enough male far country, make 崔 for quarter 圭 generation,帝 from ghostwrite to sign bedside.

魏武打算出去见匈奴的使者，自以为穿着不太庄重，不足以让匈奴认为雄武，便叫崔季代替他出去，自已却拿着刀站在床头边。

Then two star-shaped oligomers with designed molecular weights 5000 g mol-1 and 10000 g mol-1, respectively, were synthesized from D, L-lactide and glycolide as raw materials and pentaerythritol as initiator under catalysis of dibutyltin oxide.

以合成的丙交酯和乙交酯为原料，季戊四醇为引发剂，氧化二丁基锡为催化剂合成出设计分子量为5000和10000两种预聚物。

With gramineae F. arundinacea of cool-season turf grass as tested material, the experiment of split-split plot design with was adopted and three kinds of treatments were set up, including 40, 50, 80 kg/hm^2 of P application, 60, 80, 140 kg/hm^2 of K application and 0, 250, 500 mg/L of paclobutrazol application resp. to conduct variance analysis on the density and plant height of F.

方法］以禾本科冷季型草坪草高羊茅为试材，采用裂裂区试验设计，分别设施磷肥40、50、80 kg/hm^2、钾肥60、80、140 kg/hm^2、多效唑0、250、500 mg/L，对处理后高羊茅的密度和株高进行方差分析，并用目测法定量描述其景观品质。

The polyvinyl chloride static and dynamic experiments of the heat stability by three novel low-lead, non-lead and low-tin, and non-lead and non-tin thermal stabilizers remixed respectively with phosphite ester, epoxidized soybean oil,β-diketone, pentaerythritol and houghite were reviewed.

通过新型低铅、无铅低锡和无铅无锡热稳定剂分别与亚磷酸酯、环氧大豆油、β-二酮、季戊四醇和水滑石进行复配，进行了聚氯乙烯的静态和动态热稳定性实验。

Count Ilya Andreitch looked about at every one in gleeful pride while Bagration was speaking to his son.

伊利亚安德烈伊奇伯爵正当巴格拉季翁跟他儿子谈话时，他把那欣喜而矜持的目光朝着大家环视一番。

Next season we are working on combinations of cashmere with lace, different overlays and interweaving.

下季我们将开始研究用羊绒配蕾丝，以及不同的装饰物和编织法。

An unreported compound 2-cyclopropylbenzimidazolium salt was obtained from 2-cyclopropyl benzimidazole and iodomethane.

以邻苯二胺和环丙基甲酸为原料，以多聚磷酸为催化剂，在微波辐射下合成了环丙基苯并咪唑，用碘甲烷季胺化得到未见文献报道的环丙基苯并咪唑盐，通过苯并咪唑盐与Grignard试剂加成后水解反应制备环丙基甲基酮。

By weight loss measurements and electrochemical method, the inhibition and adsorption behavior of isoquinoline quaternary ammonium salt on A3 steel in 1mol/L HCl was studied.

采用失重、电化学法研究了异喹啉季铵盐在 1mol/L盐酸溶液中对A3钢的缓蚀行为及吸附规律。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。