compound b 中文意思是什麼
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In addition to avermectins, s. avermitilis produces oligomycin, a strongly toxic compound. gene deletion vector pxl05 was used to disrupt oligomycin polyketide synthase ( pks ) encoding genes ( olma ) in streptomyces avermitilis cz8 - 73, the producer of anthelmintic avermectins b and the cell growth inhibitor oligomycin. olma gene cluster in the chromosome was displaced by deletion allele on the plasmid via double crossover
本研究以產阿維菌素b和寡黴素的阿維鏈黴菌cz8 - 73為出發菌株，構建了基因缺失載體pxl05 ，並將其轉入cz8 - 73中，通過缺失載體和染色體之間的同源雙交換，對染色體上長達90kb的寡黴素聚酮合酶（ pks ）基因簇（ olma ）進行了缺失。 -
4. after heat treatment ni - w - b alloy was both coarsened in grain size and led to the evolution of ni4w and precipitation of ni - b compound
Ni w b合金電沉積層及其復合鍍層的顯微硬度值比ni w合金電沉積層的顯微硬度高。 -
Theoretical calculation of interaction between hmx and b - containing compound
與含硼化合物相互作用的理論計算 -
In the articulation space, we optimize time ; form module by adopting b spline curve, which including speed and acceleration constraint. we make use of mainly compound form optimizing program to find optimal solution
在關節空間中，針對時間的進行優化，採用b樣條曲線來構建優化軌跡模型，把速度和加速度約束因素包括進來，利用復合形的優化程序尋最優解，符合要求的優化精度。 -
The safety installation of the automobile bumpproof is a very hot topic nowadays, and it is also one of the most important part of intellectual traffic. we use the compound radar and fm coding technology, choose the unique route to produce and develop the expressway automobile bumpproof and alarming installation, which solve the " false alarming " problem that occurs while b eing interrupted in the complicated traffic conditions
汽車防撞安全裝置是當今世界的熱門話題，是智能交通的重要組成部分，我公司開發生產的高速公路汽車防撞報警裝置採用復合雷達和調頻編碼技術，選擇獨特的技術路線，解決了復雜交通環境下因干擾而產生的"虛警"而且作用距離遠，反應速度快，可靠性高。 -
3. xrd results of ni - w - b and ni - w - b - ptfe alloy deposits obtained from the stated plating solution and condition showed that their structure were in nanocrystalline or amorphous, and the addition of boron compound and ptfe in deposits expedited them in amorphous structure. the microhardness of ni - w - b and ni - w - b - ptfe alloy were higher than that of ni - w alloy deposits
在所述鍍液組成和沉積條件下， xjid實驗結果顯示所獲得的nlwb合金電沉積層及其復合鍍層表現為納米晶或非晶態結構，鍍層中含b物質和pite的加入加劇了鍍層結構的非晶化。 -
The damage of wheat seedlings induced by enhanced uv - b radiation in physiology can be repaired partly by he - ne laser irradiation with enzymatic and non - enzymatic system including of decreasing the mda concentration, increasing the contents of asa, gsh, uv - b absorbing compound, and the activities of sod, cat, pod
He - ne激光輻照可使uv - b輻射后小麥幼苗mda的含量明顯減少； asa 、 gsh含量明顯增加； sod 、 cat 、 pod等酶活性增加。說明he - ne激光可通過酶促與非酶促抗氧化系統，增加小麥幼苗在生理水平對輻射損傷的修復能力。 -
In order to find out the reason of bursting under low pressure, macro stress and strain of srmcs were analyzed by using compound theory, netting theory and nonlinear finite element method ( fem ). it was concluded that the damages of the srmcs led to the bursting of case b under low pressure
針對發動機b殼體發生低壓爆破的問題，應用復合理論、網格理論和非線性有限元法對b殼體進行了宏觀應力應變分析，從而確定了b殼體低壓爆破的原因是由於損傷所致。 -
Three models, ie, japan model, wuhan model, xia liaole model about gravel pile compound foundation bearing capacity are established. to verify the three model established above, the calculation results are contrasted to the result of static load test base on such three yard as langfang city law building, sanhe city huatai garden building b, sanhe city north pass
為進一步對本文提出的計算模型進行檢驗，文章以廊坊市檢察院辦公樓、三河市華泰花園b座、三河市北關三個碎石樁復合地基場地為基礎，通過和靜載荷試驗結果進行對比，對所建立的模型進行驗證。 -
Effect of compound huoxiang and baishao on the reversion of hepatic fibrosis in patients with chronic hepatitis b based on the turbid - poison theory
白芍復方逆轉慢性肝纖維化的從濁毒論治效果 -
At last the type of cyclone reintensification was discussed. it is a compound process of type a and type b extratropical cyclone, so it is an interaction process between transformed cyclone in lower level and trough in upper level
討論了臺風登陸后再度發展的演變模型，可以認為是一種a類和b類溫帶氣旋發展的混合類型，是一個低層變性氣旋和高空低槽相互作用和相互發展的過程。 -
Theoretical study on the electronic structures of the spiroconjugated compound substituted by b - c
方酸苯螺旋共軛分子的設計及其電子光譜和非線性光學性質的理論研究
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